- Added solutions by Luca Ferrari.

13 files changed, 1276 insertions, 1257 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index a738ef0596..cd3d54c7a6 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,4 +1,9 @@
 {
+   "tooltip" : {
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
    "series" : [
       {
          "data" : [
@@ -6,27 +11,41 @@
                "drilldown" : "James Smith",
                "name" : "James Smith",
                "y" : 3
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
             }
          ],
          "colorByPoint" : 1,
          "name" : "The Weekly Challenge - 128"
       }
    ],
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 128"
+   },
    "legend" : {
       "enabled" : 0
    },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1
+   "chart" : {
+      "type" : "column"
    },
-   "xAxis" : {
-      "type" : "category"
+   "subtitle" : {
+      "text" : "[Champions: 2] Last updated at 2021-08-30 22:38:21 GMT"
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -37,27 +56,27 @@
                   1
                ]
             ],
-            "id" : "James Smith"
+            "id" : "James Smith",
+            "name" : "James Smith"
+         },
+         {
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
          }
       ]
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 128"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 1] Last updated at 2021-08-30 22:23:28 GMT"
+   "xAxis" : {
+      "type" : "category"
    },
    "yAxis" : {
       "title" : {
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index f761f72ebe..eba04ba903 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,37 +2,28 @@
    "chart" : {
       "type" : "column"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-08-30 22:23:28 GMT"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "series" : [
       {
          "name" : "Contributions",
          "dataLabels" : {
-            "y" : 10,
-            "rotation" : -90,
-            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
             "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
             },
-            "align" : "right",
             "enabled" : "true",
-            "color" : "#FFFFFF"
+            "align" : "right",
+            "rotation" : -90,
+            "y" : 10,
+            "format" : "{point.y:.0f}"
          },
          "data" : [
             [
                "Blog",
-               1838
+               1840
             ],
             [
                "Perl",
@@ -40,24 +31,33 @@
             ],
             [
                "Raku",
-               3777
+               3779
             ]
          ]
       }
    ],
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-08-30 22:38:21 GMT"
+   },
    "legend" : {
       "enabled" : "false"
    },
    "xAxis" : {
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       },
       "type" : "category"
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 93c070a608..b502513920 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,73 +1,71 @@
 {
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : "false"
    },
    "title" : {
       "text" : "The Weekly Challenge Language"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
       }
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-08-30 22:23:28 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "series" : [
       {
          "data" : [
             {
+               "drilldown" : "001",
                "name" : "#001",
-               "y" : 161,
-               "drilldown" : "001"
+               "y" : 161
             },
             {
-               "y" : 125,
                "name" : "#002",
-               "drilldown" : "002"
+               "drilldown" : "002",
+               "y" : 125
             },
             {
+               "y" : 81,
                "drilldown" : "003",
-               "name" : "#003",
-               "y" : 81
+               "name" : "#003"
             },
             {
+               "name" : "#004",
                "drilldown" : "004",
-               "y" : 99,
-               "name" : "#004"
+               "y" : 99
             },
             {
-               "y" : 78,
+               "drilldown" : "005",
                "name" : "#005",
-               "drilldown" : "005"
+               "y" : 78
             },
             {
-               "drilldown" : "006",
+               "y" : 58,
                "name" : "#006",
-               "y" : 58
+               "drilldown" : "006"
             },
             {
                "name" : "#007",
-               "y" : 64,
-               "drilldown" : "007"
+               "drilldown" : "007",
+               "y" : 64
             },
             {
-               "drilldown" : "008",
+               "y" : 78,
                "name" : "#008",
-               "y" : 78
+               "drilldown" : "008"
             },
             {
                "y" : 76,
-               "name" : "#009",
-               "drilldown" : "009"
+               "drilldown" : "009",
+               "name" : "#009"
             },
             {
-               "y" : 65,
                "name" : "#010",
-               "drilldown" : "010"
+               "drilldown" : "010",
+               "y" : 65
             },
             {
                "drilldown" : "011",
@@ -75,29 +73,29 @@
                "y" : 85
             },
             {
-               "y" : 89,
                "name" : "#012",
-               "drilldown" : "012"
+               "drilldown" : "012",
+               "y" : 89
             },
             {
+               "drilldown" : "013",
                "name" : "#013",
-               "y" : 85,
-               "drilldown" : "013"
+               "y" : 85
             },
             {
-               "y" : 101,
                "name" : "#014",
-               "drilldown" : "014"
+               "drilldown" : "014",
+               "y" : 101
             },
             {
+               "y" : 99,
                "drilldown" : "015",
-               "name" : "#015",
-               "y" : 99
+               "name" : "#015"
             },
             {
-               "drilldown" : "016",
                "y" : 71,
-               "name" : "#016"
+               "name" : "#016",
+               "drilldown" : "016"
             },
             {
                "y" : 84,
@@ -106,12 +104,12 @@
             },
             {
                "name" : "#018",
-               "y" : 81,
-               "drilldown" : "018"
+               "drilldown" : "018",
+               "y" : 81
             },
             {
-               "drilldown" : "019",
                "y" : 103,
+               "drilldown" : "019",
                "name" : "#019"
             },
             {
@@ -121,32 +119,32 @@
             },
             {
                "drilldown" : "021",
-               "y" : 72,
-               "name" : "#021"
+               "name" : "#021",
+               "y" : 72
             },
             {
+               "y" : 68,
                "drilldown" : "022",
-               "name" : "#022",
-               "y" : 68
+               "name" : "#022"
             },
             {
-               "drilldown" : "023",
+               "y" : 97,
                "name" : "#023",
-               "y" : 97
+               "drilldown" : "023"
             },
             {
-               "y" : 75,
+               "drilldown" : "024",
                "name" : "#024",
-               "drilldown" : "024"
+               "y" : 75
             },
             {
-               "name" : "#025",
                "y" : 59,
+               "name" : "#025",
                "drilldown" : "025"
             },
             {
-               "drilldown" : "026",
                "name" : "#026",
+               "drilldown" : "026",
                "y" : 74
             },
             {
@@ -156,33 +154,33 @@
             },
             {
                "drilldown" : "028",
-               "y" : 80,
-               "name" : "#028"
+               "name" : "#028",
+               "y" : 80
             },
             {
+               "y" : 79,
                "drilldown" : "029",
-               "name" : "#029",
-               "y" : 79
+               "name" : "#029"
             },
             {
-               "drilldown" : "030",
                "name" : "#030",
+               "drilldown" : "030",
                "y" : 117
             },
             {
-               "drilldown" : "031",
                "y" : 89,
+               "drilldown" : "031",
                "name" : "#031"
             },
             {
+               "drilldown" : "032",
                "name" : "#032",
-               "y" : 94,
-               "drilldown" : "032"
+               "y" : 94
             },
             {
-               "y" : 110,
+               "drilldown" : "033",
                "name" : "#033",
-               "drilldown" : "033"
+               "y" : 110
             },
             {
                "y" : 64,
@@ -195,14 +193,14 @@
                "y" : 64
             },
             {
-               "y" : 68,
                "name" : "#036",
-               "drilldown" : "036"
+               "drilldown" : "036",
+               "y" : 68
             },
             {
+               "drilldown" : "037",
                "name" : "#037",
-               "y" : 67,
-               "drilldown" : "037"
+               "y" : 67
             },
             {
                "y" : 68,
@@ -211,28 +209,28 @@
             },
             {
                "name" : "#039",
-               "y" : 62,
-               "drilldown" : "039"
+               "drilldown" : "039",
+               "y" : 62
             },
             {
-               "y" : 73,
                "name" : "#040",
-               "drilldown" : "040"
+               "drilldown" : "040",
+               "y" : 73
             },
             {
-               "y" : 76,
+               "drilldown" : "041",
                "name" : "#041",
-               "drilldown" : "041"
+               "y" : 76
             },
             {
-               "name" : "#042",
                "y" : 92,
+               "name" : "#042",
                "drilldown" : "042"
             },
             {
-               "y" : 68,
+               "drilldown" : "043",
                "name" : "#043",
-               "drilldown" : "043"
+               "y" : 68
             },
             {
                "y" : 85,
@@ -240,54 +238,54 @@
                "drilldown" : "044"
             },
             {
+               "drilldown" : "045",
                "name" : "#045",
-               "y" : 96,
-               "drilldown" : "045"
+               "y" : 96
             },
             {
-               "y" : 87,
                "name" : "#046",
-               "drilldown" : "046"
+               "drilldown" : "046",
+               "y" : 87
             },
             {
-               "drilldown" : "047",
                "y" : 84,
+               "drilldown" : "047",
                "name" : "#047"
             },
             {
-               "name" : "#048",
                "y" : 108,
+               "name" : "#048",
                "drilldown" : "048"
             },
             {
-               "name" : "#049",
                "y" : 89,
+               "name" : "#049",
                "drilldown" : "049"
             },
             {
-               "y" : 98,
                "name" : "#050",
-               "drilldown" : "050"
+               "drilldown" : "050",
+               "y" : 98
             },
             {
-               "y" : 89,
+               "drilldown" : "051",
                "name" : "#051",
-               "drilldown" : "051"
+               "y" : 89
             },
             {
-               "drilldown" : "052",
+               "y" : 91,
                "name" : "#052",
-               "y" : 91
+               "drilldown" : "052"
             },
             {
+               "y" : 101,
                "drilldown" : "053",
-               "name" : "#053",
-               "y" : 101
+               "name" : "#053"
             },
             {
                "y" : 103,
-               "name" : "#054",
-               "drilldown" : "054"
+               "drilldown" : "054",
+               "name" : "#054"
             },
             {
                "y" : 88,
@@ -295,19 +293,19 @@
                "drilldown" : "055"
             },
             {
-               "y" : 95,
+               "drilldown" : "056",
                "name" : "#056",
-               "drilldown" : "056"
+               "y" : 95
             },
             {
+               "name" : "#057",
                "drilldown" : "057",
-               "y" : 80,
-               "name" : "#057"
+               "y" : 80
             },
             {
-               "drilldown" : "058",
+               "y" : 69,
                "name" : "#058",
-               "y" : 69
+               "drilldown" : "058"
             },
             {
                "drilldown" : "059",
@@ -320,29 +318,29 @@
                "y" : 85
             },
             {
-               "y" : 81,
+               "drilldown" : "061",
                "name" : "#061",
-               "drilldown" : "061"
+               "y" : 81
             },
             {
-               "drilldown" : "062",
+               "y" : 58,
                "name" : "#062",
-               "y" : 58
+               "drilldown" : "062"
             },
             {
                "drilldown" : "063",
-               "y" : 89,
-               "name" : "#063"
+               "name" : "#063",
+               "y" : 89
             },
             {
-               "y" : 80,
+               "drilldown" : "064",
                "name" : "#064",
-               "drilldown" : "064"
+               "y" : 80
             },
             {
-               "name" : "#065",
                "y" : 73,
-               "drilldown" : "065"
+               "drilldown" : "065",
+               "name" : "#065"
             },
             {
                "y" : 84,
@@ -361,33 +359,33 @@
             },
             {
                "drilldown" : "069",
-               "y" : 83,
-               "name" : "#069"
+               "name" : "#069",
+               "y" : 83
             },
             {
                "name" : "#070",
-               "y" : 93,
-               "drilldown" : "070"
+               "drilldown" : "070",
+               "y" : 93
             },
             {
-               "name" : "#071",
                "y" : 78,
+               "name" : "#071",
                "drilldown" : "071"
             },
             {
-               "name" : "#072",
                "y" : 112,
+               "name" : "#072",
                "drilldown" : "072"
             },
             {
-               "y" : 110,
+               "drilldown" : "073",
                "name" : "#073",
-               "drilldown" : "073"
+               "y" : 110
             },
             {
+               "name" : "#074",
                "drilldown" : "074",
-               "y" : 115,
-               "name" : "#074"
+               "y" : 115
             },
             {
                "drilldown" : "075",
@@ -395,14 +393,14 @@
                "y" : 115
             },
             {
-               "y" : 99,
                "name" : "#076",
-               "drilldown" : "076"
+               "drilldown" : "076",
+               "y" : 99
             },
             {
+               "drilldown" : "077",
                "name" : "#077",
-               "y" : 98,
-               "drilldown" : "077"
+               "y" : 98
             },
             {
                "y" : 127,
@@ -410,74 +408,74 @@
                "drilldown" : "078"
             },
             {
+               "y" : 122,
                "drilldown" : "079",
-               "name" : "#079",
-               "y" : 122
+               "name" : "#079"
             },
             {
-               "drilldown" : "080",
                "y" : 127,
-               "name" : "#080"
+               "name" : "#080",
+               "drilldown" : "080"
             },
             {
+               "name" : "#081",
                "drilldown" : "081",
-               "y" : 114,
-               "name" : "#081"
+               "y" : 114
             },
             {
-               "drilldown" : "082",
+               "y" : 114,
                "name" : "#082",
-               "y" : 114
+               "drilldown" : "082"
             },
             {
                "y" : 127,
-               "name" : "#083",
-               "drilldown" : "083"
+               "drilldown" : "083",
+               "name" : "#083"
             },
             {
-               "y" : 119,
                "name" : "#084",
-               "drilldown" : "084"
+               "drilldown" : "084",
+               "y" : 119
             },
             {
                "y" : 114,
-               "name" : "#085",
-               "drilldown" : "085"
+               "drilldown" : "085",
+               "name" : "#085"
             },
             {
-               "name" : "#086",
                "y" : 104,
-               "drilldown" : "086"
+               "drilldown" : "086",
+               "name" : "#086"
             },
             {
-               "drilldown" : "087",
                "name" : "#087",
+               "drilldown" : "087",
                "y" : 101
             },
             {
                "y" : 121,
-               "name" : "#088",
-               "drilldown" : "088"
+               "drilldown" : "088",
+               "name" : "#088"
             },
             {
-               "drilldown" : "089",
                "name" : "#089",
+               "drilldown" : "089",
                "y" : 113
             },
             {
-               "name" : "#090",
                "y" : 113,
+               "name" : "#090",
                "drilldown" : "090"
             },
             {
+               "y" : 108,
                "drilldown" : "091",
-               "name" : "#091",
-               "y" : 108
+               "name" : "#091"
             },
             {
                "y" : 98,
-               "name" : "#092",
-               "drilldown" : "092"
+               "drilldown" : "092",
+               "name" : "#092"
             },
             {
                "drilldown" : "093",
@@ -485,39 +483,39 @@
                "y" : 87
             },
             {
-               "drilldown" : "094",
                "name" : "#094",
+               "drilldown" : "094",
                "y" : 87
             },
             {
                "y" : 108,
-               "name" : "#095",
-               "drilldown" : "095"
+               "drilldown" : "095",
+               "name" : "#095"
             },
             {
+               "y" : 108,
                "drilldown" : "096",
-               "name" : "#096",
-               "y" : 108
+               "name" : "#096"
             },
             {
                "drilldown" : "097",
-               "y" : 111,
-               "name" : "#097"
+               "name" : "#097",
+               "y" : 111
             },
             {
+               "name" : "#098",
                "drilldown" : "098",
-               "y" : 108,
-               "name" : "#098"
+               "y" : 108
             },
             {
-               "name" : "#099",
                "y" : 97,
-               "drilldown" : "099"
+               "drilldown" : "099",
+               "name" : "#099"
             },
             {
-               "drilldown" : "100",
                "y" : 120,
-               "name" : "#100"
+               "name" : "#100",
+               "drilldown" : "100"
             },
             {
                "drilldown" : "101",
@@ -531,58 +529,58 @@
             },
             {
                "name" : "#103",
-               "y" : 79,
-               "drilldown" : "103"
+               "drilldown" : "103",
+               "y" : 79
             },
             {
-               "drilldown" : "104",
                "y" : 85,
-               "name" : "#104"
+               "name" : "#104",
+               "drilldown" : "104"
             },
             {
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@@ -590,49 +588,49 @@
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-               "drilldown" : "123"
+               "drilldown" : "123",
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@@ -641,33 +639,38 @@
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+               "name" : "#126",
                "drilldown" : "126"
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                "drilldown" : "127",
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+               "name" : "#127",
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-         "colorByPoint" : "true",
-         "name" : "The Weekly Challenge Languages"
+         "name" : "The Weekly Challenge Languages",
+         "colorByPoint" : "true"
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    "tooltip" : {
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+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
       "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+      "followPointer" : "true"
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+   "yAxis" : {
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@@ -689,12 +692,12 @@
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+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -712,6 +715,7 @@
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             "name" : "003",
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                [
                   "Perl",
@@ -725,12 +729,11 @@
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