- Added solutions by Luca Ferrari.

14 files changed, 1259 insertions, 1240 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 453c4a7f78..348a106652 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,78 +1,97 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge - 136"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 2] Last updated at 2021-10-26 03:15:51 GMT"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
    "series" : [
       {
-         "colorByPoint" : 1,
          "name" : "The Weekly Challenge - 136",
          "data" : [
             {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Paulo Custodio",
                "drilldown" : "Paulo Custodio",
-               "y" : 2,
-               "name" : "Paulo Custodio"
+               "y" : 2
             },
             {
-               "y" : 2,
+               "drilldown" : "Simon Proctor",
                "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor"
+               "y" : 2
             }
-         ]
+         ],
+         "colorByPoint" : 1
       }
    ],
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Paulo Custodio",
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Paulo Custodio"
+            "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio"
          },
          {
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "id" : "Simon Proctor",
             "name" : "Simon Proctor"
          }
       ]
    },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "The Weekly Challenge - 136"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
    },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 3] Last updated at 2021-10-26 03:19:54 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 20c262262a..44e28afd36 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,6 +2,9 @@
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2021-10-26 03:19:54 GMT"
+   },
    "chart" : {
       "type" : "column"
    },
@@ -11,43 +14,25 @@
       },
       "min" : 0
    },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-10-26 03:15:50 GMT"
-   },
    "series" : [
       {
          "dataLabels" : {
-            "color" : "#FFFFFF",
-            "align" : "right",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
+            "enabled" : "true",
             "y" : 10,
+            "align" : "right",
+            "format" : "{point.y:.0f}",
             "rotation" : -90,
-            "enabled" : "true",
-            "format" : "{point.y:.0f}"
+            "color" : "#FFFFFF"
          },
          "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               1959
+               1961
             ],
             [
                "Perl",
@@ -55,9 +40,24 @@
             ],
             [
                "Raku",
-               3943
+               3945
             ]
          ]
       }
-   ]
+   ],
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 6ffda0bcfa..e1cb99bbd5 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,186 +1,214 @@
 {
+   "tooltip" : {
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-10-26 03:19:54 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
    "series" : [
       {
+         "name" : "The Weekly Challenge Languages",
+         "colorByPoint" : "true",
          "data" : [
             {
+               "name" : "#001",
                "drilldown" : "001",
-               "y" : 161,
-               "name" : "#001"
+               "y" : 161
             },
             {
-               "drilldown" : "002",
                "name" : "#002",
+               "drilldown" : "002",
                "y" : 125
             },
             {
                "drilldown" : "003",
-               "y" : 81,
-               "name" : "#003"
+               "name" : "#003",
+               "y" : 81
             },
             {
                "y" : 99,
-               "name" : "#004",
-               "drilldown" : "004"
+               "drilldown" : "004",
+               "name" : "#004"
             },
             {
-               "name" : "#005",
                "y" : 78,
-               "drilldown" : "005"
+               "drilldown" : "005",
+               "name" : "#005"
             },
             {
+               "y" : 58,
                "drilldown" : "006",
-               "name" : "#006",
-               "y" : 58
+               "name" : "#006"
             },
             {
-               "drilldown" : "007",
+               "y" : 64,
                "name" : "#007",
-               "y" : 64
+               "drilldown" : "007"
             },
             {
-               "name" : "#008",
                "y" : 78,
+               "name" : "#008",
                "drilldown" : "008"
             },
             {
-               "drilldown" : "009",
                "name" : "#009",
+               "drilldown" : "009",
                "y" : 76
             },
             {
-               "drilldown" : "010",
                "y" : 65,
+               "drilldown" : "010",
                "name" : "#010"
             },
             {
                "name" : "#011",
-               "y" : 85,
-               "drilldown" : "011"
+               "drilldown" : "011",
+               "y" : 85
             },
             {
-               "name" : "#012",
                "y" : 89,
+               "name" : "#012",
                "drilldown" : "012"
             },
             {
                "drilldown" : "013",
-               "y" : 85,
-               "name" : "#013"
+               "name" : "#013",
+               "y" : 85
             },
             {
-               "y" : 101,
+               "drilldown" : "014",
                "name" : "#014",
-               "drilldown" : "014"
+               "y" : 101
             },
             {
-               "y" : 99,
+               "drilldown" : "015",
                "name" : "#015",
-               "drilldown" : "015"
+               "y" : 99
             },
             {
-               "name" : "#016",
                "y" : 71,
+               "name" : "#016",
                "drilldown" : "016"
             },
             {
-               "name" : "#017",
                "y" : 84,
-               "drilldown" : "017"
+               "drilldown" : "017",
+               "name" : "#017"
             },
             {
-               "drilldown" : "018",
                "y" : 81,
+               "drilldown" : "018",
                "name" : "#018"
             },
             {
+               "y" : 103,
                "drilldown" : "019",
-               "name" : "#019",
-               "y" : 103
+               "name" : "#019"
             },
             {
+               "y" : 101,
                "drilldown" : "020",
-               "name" : "#020",
-               "y" : 101
+               "name" : "#020"
             },
             {
                "drilldown" : "021",
-               "y" : 72,
-               "name" : "#021"
+               "name" : "#021",
+               "y" : 72
             },
             {
-               "drilldown" : "022",
                "name" : "#022",
+               "drilldown" : "022",
                "y" : 68
             },
             {
-               "name" : "#023",
                "y" : 97,
+               "name" : "#023",
                "drilldown" : "023"
             },
             {
                "name" : "#024",
-               "y" : 75,
-               "drilldown" : "024"
+               "drilldown" : "024",
+               "y" : 75
             },
             {
-               "name" : "#025",
                "y" : 59,
-               "drilldown" : "025"
+               "drilldown" : "025",
+               "name" : "#025"
             },
             {
-               "drilldown" : "026",
                "y" : 74,
-               "name" : "#026"
+               "name" : "#026",
+               "drilldown" : "026"
             },
             {
-               "drilldown" : "027",
                "y" : 60,
+               "drilldown" : "027",
                "name" : "#027"
             },
             {
+               "name" : "#028",
                "drilldown" : "028",
-               "y" : 80,
-               "name" : "#028"
+               "y" : 80
             },
             {
+               "drilldown" : "029",
                "name" : "#029",
-               "y" : 79,
-               "drilldown" : "029"
+               "y" : 79
             },
             {
-               "y" : 117,
                "name" : "#030",
-               "drilldown" : "030"
+               "drilldown" : "030",
+               "y" : 117
             },
             {
-               "y" : 89,
+               "drilldown" : "031",
                "name" : "#031",
-               "drilldown" : "031"
+               "y" : 89
             },
             {
-               "drilldown" : "032",
                "y" : 94,
+               "drilldown" : "032",
                "name" : "#032"
             },
             {
                "name" : "#033",
-               "y" : 110,
-               "drilldown" : "033"
+               "drilldown" : "033",
+               "y" : 110
             },
             {
                "name" : "#034",
-               "y" : 64,
-               "drilldown" : "034"
+               "drilldown" : "034",
+               "y" : 64
             },
             {
-               "drilldown" : "035",
                "y" : 64,
-               "name" : "#035"
+               "name" : "#035",
+               "drilldown" : "035"
             },
             {
                "y" : 68,
-               "name" : "#036",
-               "drilldown" : "036"
+               "drilldown" : "036",
+               "name" : "#036"
             },
             {
                "y" : 67,
@@ -189,48 +217,48 @@
             },
             {
                "drilldown" : "038",
-               "y" : 68,
-               "name" : "#038"
+               "name" : "#038",
+               "y" : 68
             },
             {
-               "y" : 62,
+               "drilldown" : "039",
                "name" : "#039",
-               "drilldown" : "039"
+               "y" : 62
             },
             {
                "name" : "#040",
-               "y" : 73,
-               "drilldown" : "040"
+               "drilldown" : "040",
+               "y" : 73
             },
             {
-               "drilldown" : "041",
                "name" : "#041",
+               "drilldown" : "041",
                "y" : 76
             },
             {
-               "name" : "#042",
                "y" : 92,
+               "name" : "#042",
                "drilldown" : "042"
             },
             {
-               "y" : 68,
                "name" : "#043",
-               "drilldown" : "043"
+               "drilldown" : "043",
+               "y" : 68
             },
             {
-               "name" : "#044",
                "y" : 85,
+               "name" : "#044",
                "drilldown" : "044"
             },
             {
                "y" : 96,
-               "name" : "#045",
-               "drilldown" : "045"
+               "drilldown" : "045",
+               "name" : "#045"
             },
             {
-               "name" : "#046",
                "y" : 87,
-               "drilldown" : "046"
+               "drilldown" : "046",
+               "name" : "#046"
             },
             {
                "drilldown" : "047",
@@ -238,48 +266,48 @@
                "y" : 84
             },
             {
-               "drilldown" : "048",
+               "y" : 108,
                "name" : "#048",
-               "y" : 108
+               "drilldown" : "048"
             },
             {
+               "name" : "#049",
                "drilldown" : "049",
-               "y" : 89,
-               "name" : "#049"
+               "y" : 89
             },
             {
+               "drilldown" : "050",
                "name" : "#050",
-               "y" : 98,
-               "drilldown" : "050"
+               "y" : 98
             },
             {
                "name" : "#051",
-               "y" : 89,
-               "drilldown" : "051"
+               "drilldown" : "051",
+               "y" : 89
             },
             {
-               "y" : 91,
+               "drilldown" : "052",
                "name" : "#052",
-               "drilldown" : "052"
+               "y" : 91
             },
             {
-               "name" : "#053",
                "y" : 101,
-               "drilldown" : "053"
+               "drilldown" : "053",
+               "name" : "#053"
             },
             {
+               "drilldown" : "054",
                "name" : "#054",
-               "y" : 103,
-               "drilldown" : "054"
+               "y" : 103
             },
             {
-               "name" : "#055",
                "y" : 88,
+               "name" : "#055",
                "drilldown" : "055"
             },
             {
-               "name" : "#056",
                "y" : 95,
+               "name" : "#056",
                "drilldown" : "056"
             },
             {
@@ -288,29 +316,29 @@
                "drilldown" : "057"
             },
             {
-               "drilldown" : "058",
+               "y" : 69,
                "name" : "#058",
-               "y" : 69
+               "drilldown" : "058"
             },
             {
+               "y" : 89,
                "drilldown" : "059",
-               "name" : "#059",
-               "y" : 89
+               "name" : "#059"
             },
             {
-               "drilldown" : "060",
                "y" : 85,
-               "name" : "#060"
+               "name" : "#060",
+               "drilldown" : "060"
             },
             {
-               "drilldown" : "061",
                "y" : 81,
+               "drilldown" : "061",
                "name" : "#061"
             },
             {
-               "drilldown" : "062",
                "y" : 58,
-               "name" : "#062"
+               "name" : "#062",
+               "drilldown" : "062"
             },
             {
                "y" : 89,
@@ -318,104 +346,104 @@
                "drilldown" : "063"
             },
             {
+               "y" : 80,
                "drilldown" : "064",
-               "name" : "#064",
-               "y" : 80
+               "name" : "#064"
             },
             {
+               "y" : 73,
                "drilldown" : "065",
-               "name" : "#065",
-               "y" : 73
+               "name" : "#065"
             },
             {
-               "drilldown" : "066",
                "y" : 84,
+               "drilldown" : "066",
                "name" : "#066"
             },
             {
+               "name" : "#067",
                "drilldown" : "067",
-               "y" : 90,
-               "name" : "#067"
+               "y" : 90
             },
             {
-               "drilldown" : "068",
                "y" : 75,
+               "drilldown" : "068",
                "name" : "#068"
             },
             {
-               "drilldown" : "069",
                "y" : 83,
+               "drilldown" : "069",
                "name" : "#069"
             },
             {
-               "y" : 93,
                "name" : "#070",
-               "drilldown" : "070"
+               "drilldown" : "070",
+               "y" : 93
             },
             {
-               "y" : 78,
                "name" : "#071",
-               "drilldown" : "071"
+               "drilldown" : "071",
+               "y" : 78
             },
             {
                "drilldown" : "072",
-               "y" : 112,
-               "name" : "#072"
+               "name" : "#072",
+               "y" : 112
             },
             {
-               "y" : 110,
                "name" : "#073",
-               "drilldown" : "073"
+               "drilldown" : "073",
+               "y" : 110
             },
             {
-               "drilldown" : "074",
                "y" : 115,
-               "name" : "#074"
+               "name" : "#074",
+               "drilldown" : "074"
             },
             {
+               "drilldown" : "075",
                "name" : "#075",
-               "y" : 115,
-               "drilldown" : "075"
+               "y" : 115
             },
             {
                "y" : 99,
-               "name" : "#076",
-               "drilldown" : "076"
+               "drilldown" : "076",
+               "name" : "#076"
             },
             {
-               "drilldown" : "077",
                "y" : 98,
-               "name" : "#077"
+               "name" : "#077",
+               "drilldown" : "077"
             },
             {
+               "drilldown" : "078",
                "name" : "#078",
-               "y" : 127,
-               "drilldown" : "078"
+               "y" : 127
             },
             {
+               "y" : 122,
                "drilldown" : "079",
-               "name" : "#079",
-               "y" : 122
+               "name" : "#079"
             },
             {
                "name" : "#080",
-               "y" : 127,
-               "drilldown" : "080"
+               "drilldown" : "080",
+               "y" : 127
             },
             {
-               "y" : 114,
+               "drilldown" : "081",
                "name" : "#081",
-               "drilldown" : "081"
+               "y" : 114
             },
             {
                "drilldown" : "082",
-               "y" : 114,
-               "name" : "#082"
+               "name" : "#082",
+               "y" : 114
             },
             {
                "y" : 127,
-               "name" : "#083",
-               "drilldown" : "083"
+               "drilldown" : "083",
+               "name" : "#083"
             },
             {
                "drilldown" : "084",
@@ -423,43 +451,43 @@
                "y" : 119
             },
             {
-               "drilldown" : "085",
+               "y" : 114,
                "name" : "#085",
-               "y" : 114
+               "drilldown" : "085"
             },
             {
-               "y" : 104,
                "name" : "#086",
-               "drilldown" : "086"
+               "drilldown" : "086",
+               "y" : 104
             },
             {
                "drilldown" : "087",
-               "y" : 101,
-               "name" : "#087"
+               "name" : "#087",
+               "y" : 101
             },
             {
+               "name" : "#088",
                "drilldown" : "088",
-               "y" : 121,
-               "name" : "#088"
+               "y" : 121
             },
             {
-               "name" : "#089",
                "y" : 113,
-               "drilldown" : "089"
+               "drilldown" : "089",
+               "name" : "#089"
             },
             {
-               "name" : "#090",
                "y" : 113,
-               "drilldown" : "090"
+               "drilldown" : "090",
+               "name" : "#090"
             },
             {
-               "name" : "#091",
                "y" : 108,
+               "name" : "#091",
                "drilldown" : "091"
             },
             {
-               "drilldown" : "092",
                "name" : "#092",
+               "drilldown" : "092",
                "y" : 98
             },
             {
@@ -468,18 +496,18 @@
                "y" : 87
             },
             {
-               "drilldown" : "094",
                "name" : "#094",
+               "drilldown" : "094",
                "y" : 87
             },
             {
-               "drilldown" : "095",
+               "y" : 108,
                "name" : "#095",
-               "y" : 108
+               "drilldown" : "095"
             },
             {
-               "drilldown" : "096",
                "name" : "#096",
+               "drilldown" : "096",
                "y" : 108
             },
             {
@@ -488,19 +516,19 @@
                "y" : 111
             },
             {
+               "drilldown" : "098",
                "name" : "#098",
-               "y" : 108,
-               "drilldown" : "098"
+               "y" : 108
             },
             {
-               "drilldown" : "099",
+               "y" : 97,
                "name" : "#099",
-               "y" : 97
+               "drilldown" : "099"
             },
             {
-               "drilldown" : "100",
+               "y" : 120,
                "name" : "#100",
-               "y" : 120
+               "drilldown" : "100"
             },
             {
                "y" : 83,
@@ -508,24 +536,24 @@
                "drilldown" : "101"
             },
             {
-               "name" : "#102",
                "y" : 90,
-               "drilldown" : "102"
+               "drilldown" : "102",
+               "name" : "#102"
             },
             {
+               "y" : 79,
                "drilldown" : "103",
-               "name" : "#103",
-               "y" : 79
+               "name" : "#103"
             },
             {
+               "name" : "#104",
                "drilldown" : "104",
-               "y" : 85,
-               "name" : "#104"
+               "y" : 85
             },
             {
-               "drilldown" : "105",
+               "y" : 75,
                "name" : "#105",
-               "y" : 75
+               "drilldown" : "105"
             },
             {
                "drilldown" : "106",
@@ -533,29 +561,29 @@
                "y" : 97
             },
             {
+               "drilldown" : "107",
                "name" : "#107",
-               "y" : 90,
-               "drilldown" : "107"
+               "y" : 90
             },
             {
-               "y" : 94,
+               "drilldown" : "108",
                "name" : "#108",
-               "drilldown" : "108"
+               "y" : 94
             },
             {
-               "y" : 107,
+               "drilldown" : "109",
                "name" : "#109",
-               "drilldown" : "109"
+               "y" : 107
             },
             {
+               "name" : "#110",
                "drilldown" : "110",
-               "y" : 108,
-               "name" : "#110"
+               "y" : 108
             },
             {
                "name" : "#111",
-               "y" : 91,
-               "drilldown" : "111"
+               "drilldown" : "111",
+               "y" : 91
             },
             {
                "y" : 92,
@@ -568,9 +596,9 @@
                "drilldown" : "113"
             },
             {
-               "name" : "#114",
                "y" : 108,
-               "drilldown" : "114"
+               "drilldown" : "114",
+               "name" : "#114"
             },
             {
                "y" : 96,
@@ -578,59 +606,59 @@
                "drilldown" : "115"
             },
             {
+               "name" : "#116",
                "drilldown" : "116",
-               "y" : 95,
-               "name" : "#116"
+               "y" : 95
             },
             {
                "y" : 97,
-               "name" : "#117",
-               "drilldown" : "117"
+               "drilldown" : "117",
+               "name" : "#117"
             },
             {
-               "name" : "#118",
                "y" : 81,
-               "drilldown" : "118"
+               "drilldown" : "118",
+               "name" : "#118"
             },
             {
-               "y" : 123,
                "name" : "#119",
-               "drilldown" : "119"
+               "drilldown" : "119",
+               "y" : 123
             },
             {
+               "name" : "#120",
                "drilldown" : "120",
-               "y" : 114,
-               "name" : "#120"
+               "y" : 114
             },
             {
                "y" : 90,
-               "name" : "#121",
-               "drilldown" : "121"
+               "drilldown" : "121",
+               "name" : "#121"
             },
             {
-               "name" : "#122",
                "y" : 106,
+               "name" : "#122",
                "drilldown" : "122"
             },
             {
+               "y" : 101,
                "drilldown" : "123",
-               "name" : "#123",
-               "y" : 101
+               "name" : "#123"
             },
             {
-               "name" : "#124",
                "y" : 81,
-               "drilldown" : "124"
+               "drilldown" : "124",
+               "name" : "#124"
             },
             {
-