- Added solutions by Luca Ferrari.

13 files changed, 890 insertions, 871 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 19e0477400..a203c1f9f4 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -3,76 +3,95 @@
       {
          "data" : [
             {
+               "name" : "James Smith",
                "y" : 2,
-               "drilldown" : "James Smith",
-               "name" : "James Smith"
+               "drilldown" : "James Smith"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
             },
             {
                "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
             }
          ],
          "colorByPoint" : 1,
          "name" : "Perl Weekly Challenge - 097"
       }
    ],
-   "xAxis" : {
-      "type" : "category"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "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/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 097"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 3] Last updated at 2021-01-25 19:08:21 GMT"
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "James Smith",
+            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
             ],
-            "id" : "James Smith",
-            "name" : "James Smith"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson"
          }
       ]
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 097"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "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/>"
-   },
    "legend" : {
       "enabled" : 0
    },
    "chart" : {
       "type" : "column"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 2] Last updated at 2021-01-25 19:04:10 GMT"
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 2982e43e29..512e68d51b 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,40 +1,41 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
    },
    "legend" : {
       "enabled" : "false"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2021-01-25 19:04:10 GMT"
+   "chart" : {
+      "type" : "column"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
+      },
+      "min" : 0
    },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "Last updated at 2021-01-25 19:08:21 GMT"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "series" : [
       {
-         "dataLabels" : {
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "enabled" : "true",
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "rotation" : -90,
-            "y" : 10,
-            "format" : "{point.y:.0f}"
-         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               1280
+               1282
             ],
             [
                "Perl",
@@ -42,22 +43,21 @@
             ],
             [
                "Raku",
-               2911
+               2913
             ]
          ],
-         "name" : "Contributions"
-      }
-   ],
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+         "dataLabels" : {
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "align" : "right",
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "y" : 10
          }
       }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 87f0929b63..19084c6a06 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,17 +1,16 @@
 {
    "series" : [
       {
-         "colorByPoint" : "true",
          "data" : [
             {
+               "name" : "#001",
                "drilldown" : "001",
-               "y" : 153,
-               "name" : "#001"
+               "y" : 153
             },
             {
-               "name" : "#002",
+               "y" : 118,
                "drilldown" : "002",
-               "y" : 118
+               "name" : "#002"
             },
             {
                "y" : 75,
@@ -19,9 +18,9 @@
                "name" : "#003"
             },
             {
-               "name" : "#004",
+               "drilldown" : "004",
                "y" : 95,
-               "drilldown" : "004"
+               "name" : "#004"
             },
             {
                "name" : "#005",
@@ -39,14 +38,14 @@
                "name" : "#007"
             },
             {
-               "name" : "#008",
                "drilldown" : "008",
-               "y" : 76
+               "y" : 76,
+               "name" : "#008"
             },
             {
-               "y" : 74,
+               "name" : "#009",
                "drilldown" : "009",
-               "name" : "#009"
+               "y" : 74
             },
             {
                "name" : "#010",
@@ -54,29 +53,29 @@
                "y" : 64
             },
             {
-               "drilldown" : "011",
+               "name" : "#011",
                "y" : 83,
-               "name" : "#011"
+               "drilldown" : "011"
             },
             {
-               "y" : 87,
+               "name" : "#012",
                "drilldown" : "012",
-               "name" : "#012"
+               "y" : 87
             },
             {
+               "name" : "#013",
                "y" : 82,
-               "drilldown" : "013",
-               "name" : "#013"
+               "drilldown" : "013"
             },
             {
                "name" : "#014",
-               "y" : 100,
-               "drilldown" : "014"
+               "drilldown" : "014",
+               "y" : 100
             },
             {
-               "drilldown" : "015",
+               "name" : "#015",
                "y" : 97,
-               "name" : "#015"
+               "drilldown" : "015"
             },
             {
                "y" : 70,
@@ -84,39 +83,39 @@
                "name" : "#016"
             },
             {
+               "name" : "#017",
                "y" : 83,
-               "drilldown" : "017",
-               "name" : "#017"
+               "drilldown" : "017"
             },
             {
-               "drilldown" : "018",
+               "name" : "#018",
                "y" : 80,
-               "name" : "#018"
+               "drilldown" : "018"
             },
             {
+               "name" : "#019",
                "y" : 101,
-               "drilldown" : "019",
-               "name" : "#019"
+               "drilldown" : "019"
             },
             {
-               "drilldown" : "020",
                "y" : 99,
+               "drilldown" : "020",
                "name" : "#020"
             },
             {
-               "y" : 71,
                "drilldown" : "021",
+               "y" : 71,
                "name" : "#021"
             },
             {
-               "name" : "#022",
                "drilldown" : "022",
-               "y" : 67
+               "y" : 67,
+               "name" : "#022"
             },
             {
+               "name" : "#023",
                "drilldown" : "023",
-               "y" : 95,
-               "name" : "#023"
+               "y" : 95
             },
             {
                "name" : "#024",
@@ -124,54 +123,54 @@
                "drilldown" : "024"
             },
             {
+               "name" : "#025",
                "drilldown" : "025",
-               "y" : 59,
-               "name" : "#025"
+               "y" : 59
             },
             {
                "name" : "#026",
-               "drilldown" : "026",
-               "y" : 74
+               "y" : 74,
+               "drilldown" : "026"
             },
             {
                "name" : "#027",
-               "y" : 60,
-               "drilldown" : "027"
+               "drilldown" : "027",
+               "y" : 60
             },
             {
-               "drilldown" : "028",
                "y" : 80,
+               "drilldown" : "028",
                "name" : "#028"
             },
             {
+               "name" : "#029",
                "y" : 79,
-               "drilldown" : "029",
-               "name" : "#029"
+               "drilldown" : "029"
             },
             {
-               "drilldown" : "030",
                "y" : 117,
+               "drilldown" : "030",
                "name" : "#030"
             },
             {
-               "drilldown" : "031",
                "y" : 89,
+               "drilldown" : "031",
                "name" : "#031"
             },
             {
+               "name" : "#032",
                "y" : 94,
-               "drilldown" : "032",
-               "name" : "#032"
+               "drilldown" : "032"
             },
             {
-               "name" : "#033",
                "drilldown" : "033",
-               "y" : 110
+               "y" : 110,
+               "name" : "#033"
             },
             {
-               "y" : 64,
+               "name" : "#034",
                "drilldown" : "034",
-               "name" : "#034"
+               "y" : 64
             },
             {
                "y" : 64,
@@ -180,33 +179,33 @@
             },
             {
                "name" : "#036",
-               "y" : 68,
-               "drilldown" : "036"
+               "drilldown" : "036",
+               "y" : 68
             },
             {
-               "name" : "#037",
                "drilldown" : "037",
-               "y" : 67
+               "y" : 67,
+               "name" : "#037"
             },
             {
-               "y" : 67,
+               "name" : "#038",
                "drilldown" : "038",
-               "name" : "#038"
+               "y" : 67
             },
             {
+               "name" : "#039",
                "drilldown" : "039",
-               "y" : 62,
-               "name" : "#039"
+               "y" : 62
             },
             {
-               "drilldown" : "040",
                "y" : 73,
+               "drilldown" : "040",
                "name" : "#040"
             },
             {
+               "name" : "#041",
                "drilldown" : "041",
-               "y" : 76,
-               "name" : "#041"
+               "y" : 76
             },
             {
                "name" : "#042",
@@ -214,54 +213,54 @@
                "y" : 90
             },
             {
-               "drilldown" : "043",
                "y" : 68,
+               "drilldown" : "043",
                "name" : "#043"
             },
             {
-               "y" : 84,
                "drilldown" : "044",
+               "y" : 84,
                "name" : "#044"
             },
             {
+               "name" : "#045",
                "drilldown" : "045",
-               "y" : 96,
-               "name" : "#045"
+               "y" : 96
             },
             {
-               "y" : 87,
                "drilldown" : "046",
+               "y" : 87,
                "name" : "#046"
             },
             {
-               "name" : "#047",
+               "drilldown" : "047",
                "y" : 84,
-               "drilldown" : "047"
+               "name" : "#047"
             },
             {
-               "drilldown" : "048",
                "y" : 108,
+               "drilldown" : "048",
                "name" : "#048"
             },
             {
-               "name" : "#049",
+               "y" : 89,
                "drilldown" : "049",
-               "y" : 89
+               "name" : "#049"
             },
             {
                "name" : "#050",
-               "drilldown" : "050",
-               "y" : 98
+               "y" : 98,
+               "drilldown" : "050"
             },
             {
-               "name" : "#051",
+               "drilldown" : "051",
                "y" : 89,
-               "drilldown" : "051"
+               "name" : "#051"
             },
             {
-               "name" : "#052",
                "drilldown" : "052",
-               "y" : 91
+               "y" : 91,
+               "name" : "#052"
             },
             {
                "y" : 101,
@@ -269,8 +268,8 @@
                "name" : "#053"
             },
             {
-               "y" : 103,
                "drilldown" : "054",
+               "y" : 103,
                "name" : "#054"
             },
             {
@@ -279,9 +278,9 @@
                "name" : "#055"
             },
             {
-               "name" : "#056",
                "y" : 95,
-               "drilldown" : "056"
+               "drilldown" : "056",
+               "name" : "#056"
             },
             {
                "y" : 80,
@@ -295,8 +294,8 @@
             },
             {
                "name" : "#059",
-               "drilldown" : "059",
-               "y" : 89
+               "y" : 89,
+               "drilldown" : "059"
             },
             {
                "name" : "#060",
@@ -304,24 +303,24 @@
                "drilldown" : "060"
             },
             {
-               "name" : "#061",
                "y" : 81,
-               "drilldown" : "061"
+               "drilldown" : "061",
+               "name" : "#061"
             },
             {
-               "drilldown" : "062",
+               "name" : "#062",
                "y" : 56,
-               "name" : "#062"
+               "drilldown" : "062"
             },
             {
+               "name" : "#063",
                "drilldown" : "063",
-               "y" : 89,
-               "name" : "#063"
+               "y" : 89
             },
             {
-               "name" : "#064",
+               "y" : 80,
                "drilldown" : "064",
-               "y" : 80
+               "name" : "#064"
             },
             {
                "y" : 73,
@@ -329,19 +328,19 @@
                "name" : "#065"
             },
             {
-               "drilldown" : "066",
+               "name" : "#066",
                "y" : 84,
-               "name" : "#066"
+               "drilldown" : "066"
             },
             {
-               "y" : 90,
                "drilldown" : "067",
+               "y" : 90,
                "name" : "#067"
             },
             {
-               "name" : "#068",
+               "drilldown" : "068",
                "y" : 75,
-               "drilldown" : "068"
+               "name" : "#068"
             },
             {
                "name" : "#069",
@@ -349,9 +348,9 @@
                "drilldown" : "069"
             },
             {
-               "name" : "#070",
                "drilldown" : "070",
-               "y" : 93
+               "y" : 93,
+               "name" : "#070"
             },
             {
                "y" : 78,
@@ -359,9 +358,9 @@
                "name" : "#071"
             },
             {
-               "name" : "#072",
                "drilldown" : "072",
-               "y" : 112
+               "y" : 112,
+               "name" : "#072"
             },
             {
                "name" : "#073",
@@ -374,44 +373,44 @@
                "name" : "#074"
             },
             {
-               "name" : "#075",
                "drilldown" : "075",
-               "y" : 113
+               "y" : 113,
+               "name" : "#075"
             },
             {
-               "name" : "#076",
+               "y" : 99,
                "drilldown" : "076",
-               "y" : 99
+               "name" : "#076"
             },
             {
+               "name" : "#077",
                "y" : 98,
-               "drilldown" : "077",
-               "name" : "#077"
+               "drilldown" : "077"
             },
             {
-               "drilldown" : "078",
+               "name" : "#078",
                "y" : 127,
-               "name" : "#078"
+               "drilldown" : "078"
             },
             {
-               "y" : 122,
+               "name" : "#079",
                "drilldown" : "079",
-               "name" : "#079"
+               "y" : 122
             },
             {
                "name" : "#080",
-               "drilldown" : "080",
-               "y" : 127
+               "y" : 127,
+               "drilldown" : "080"
             },
             {
-               "y" : 114,
+               "name" : "#081",
                "drilldown" : "081",
-               "name" : "#081"
+               "y" : 114
             },
             {
-               "drilldown" : "082",
+               "name" : "#082",
                "y" : 114,
-               "name" : "#082"
+               "drilldown" : "082"
             },
             {
                "name" : "#083",
@@ -420,28 +419,28 @@
             },
             {
                "name" : "#084",
-               "drilldown" : "084",
-               "y" : 119
+               "y" : 119,
+               "drilldown" : "084"
             },
             {
                "name" : "#085",
-               "drilldown" : "085",
-               "y" : 114
+               "y" : 114,
+               "drilldown" : "085"
             },
             {
-               "y" : 104,
+               "name" : "#086",
                "drilldown" : "086",
-               "name" : "#086"
+               "y" : 104
             },
             {
                "name" : "#087",
-               "y" : 101,
-               "drilldown" : "087"
+               "drilldown" : "087",
+               "y" : 101
             },
             {
                "name" : "#088",
-               "drilldown" : "088",
-               "y" : 121
+               "y" : 121,
+               "drilldown" : "088"
             },
             {
                "name" : "#089",
@@ -454,28 +453,28 @@
                "name" : "#090"
             },
             {
-               "name" : "#091",
                "y" : 106,
-               "drilldown" : "091"
+               "drilldown" : "091",
+               "name" : "#091"
             },
             {
-               "drilldown" : "092",
                "y" : 93,
+               "drilldown" : "092",
                "name" : "#092"
             },
             {
-               "name" : "#093",
+               "drilldown" : "093",
                "y" : 85,
-               "drilldown" : "093"
+               "name" : "#093"
             },
             {
                "name" : "#094",
-               "drilldown" : "094",
-               "y" : 85
+               "y" : 85,
+               "drilldown" : "094"
             },
             {
-               "y" : 103,
                "drilldown" : "095",
+               "y" : 103,
                "name" : "#095"
             },
             {
@@ -485,13 +484,45 @@
             },
             {
                "name" : "#097",
-               "drilldown" : "097",
-               "y" : 4
+               "y" : 8,
+               "drilldown" : "097"
             }
          ],
+         "colorByPoint" : "true",
          "name" : "Perl Weekly Challenge Languages"
       }
    ],
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-01-25 19:08:21 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -531,8 +562,6 @@
             "name" : "002"
          },
          {
-            "id" : "003",
-            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -546,9 +575,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "003",
+            "id" : "003"
          },
          {
+            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -562,9 +595,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004",
-            "name" : "004"
+            ]
          },
          {
             "data" : [
@@ -581,10 +612,12 @@
                   12
                ]
             ],
-            "name" : "005",
-            "id" : "005"
+            "id" : "005",
+            "name" : "005"
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -598,11 +631,11 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006",
-            "id" : "006"
+            ]
          },
          {
+            "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -616,13 +649,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "007",
-            "name" : "007"
+            ]
          },
          {
-            "name" : "008",
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -636,9 +665,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008",
+            "id" : "008"
          },
          {
+            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -652,11 +685,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009",
-            "id" : "009"
+            ]
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -670,9 +703,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010",
-            "id" : "010"
+            ]
          },
          {
             "data" : [
@@ -707,8 +738,8 @@
                   11
                ]
             ],
-            "id" : "012",
-            "name" : "012"
+            "name" : "012",
+            "id" : "012"
          },
          {
             "data" : [
@@ -725,12 +756,12 @@
                   13
                ]
             ],
-            "id" : "013",
-            "name" : "013"
+            "name" : "013",
+            "id" : "013"
          },
          {
-            "id" : "014",
             "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -783,6 +814,8 @@
             ]
          },
          {
+            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -796,11 +829,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "017",
-            "id" : "017"
+            ]
          },
          {
+            "name" : "018",
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -814,11 +847,11 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "018",
-            "id" : "018"
+            ]
          },
          {
+            "name" : "019",
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -832,13 +865,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "019",
-            "name" : "019"
+            ]
          },
          {
-            "id" : "020",
             "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -869,8 +900,8 @@
                   10
                ]
             ],
-            "id" : "021",
-            "name" : "021"
+            "name" : "021",
+            "id" : "021"
          },
          {
             "data" : [
@@ -887,8 +918,8 @@
                   10
                ]
             ],
-            "name" : "022",
-            "id" : "022"
+            "id" : "022",
+            "name" : "022"
          },
          {
             "name" : "023",
@@ -927,8 +958,6 @@
             "name" : "024"
          },
          {
-            "name" : "025",
-            "id" : "025",
             "data" : [
                [
                   "Perl",