- Added solutions by Luca Ferrari.

14 files changed, 1463 insertions, 1444 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 8802ebec1f..2b9d3446ab 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,85 +1,41 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 3] Last updated at 2021-12-21 15:55:26 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 144",
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "name" : "Paulo Custodio",
-               "y" : 2,
-               "drilldown" : "Paulo Custodio"
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 4
-            }
-         ]
-      }
-   ],
-   "title" : {
-      "text" : "The Weekly Challenge - 144"
-   },
-   "tooltip" : {
-      "followPointer" : 1,
-      "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/>"
-   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "E. Choroba",
-            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "E. Choroba",
+            "id" : "E. Choroba"
          },
          {
+            "name" : "Luca Ferrari",
             "data" : [
                [
-                  "Perl",
+                  "Raku",
                   2
+               ],
+               [
+                  "Blog",
+                  4
                ]
             ],
+            "id" : "Luca Ferrari"
+         },
+         {
             "name" : "Paulo Custodio",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
             "id" : "Paulo Custodio"
          },
          {
-            "id" : "Roger Bell_West",
             "name" : "Roger Bell_West",
             "data" : [
                [
@@ -90,8 +46,71 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West"
          }
       ]
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 144"
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 144",
+         "data" : [
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "y" : 6,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "y" : 2,
+               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 4
+            }
+         ]
+      }
+   ],
+   "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/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 4] Last updated at 2021-12-21 16:01:22 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index b5f36d83f5..48435e5a81 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,35 +1,11 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-12-21 15:55:25 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "series" : [
       {
-         "dataLabels" : {
-            "y" : 10,
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "color" : "#FFFFFF",
-            "enabled" : "true",
-            "align" : "right"
-         },
          "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               2106
+               2110
             ],
             [
                "Perl",
@@ -37,27 +13,51 @@
             ],
             [
                "Raku",
-               4167
+               4169
             ]
-         ]
+         ],
+         "dataLabels" : {
+            "enabled" : "true",
+            "rotation" : -90,
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "align" : "right",
+            "y" : 10
+         }
       }
    ],
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
    },
    "chart" : {
       "type" : "column"
    },
    "xAxis" : {
-      "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
-      }
+      },
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-12-21 16:01:22 GMT"
+   },
+   "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 ca17a0cb29..46d3b90496 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,22 +1,30 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-12-21 15:55:25 GMT"
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
    "series" : [
       {
          "colorByPoint" : "true",
          "data" : [
             {
-               "y" : 161,
                "name" : "#001",
+               "y" : 161,
                "drilldown" : "001"
             },
             {
@@ -30,29 +38,29 @@
                "y" : 83
             },
             {
-               "y" : 99,
+               "drilldown" : "004",
                "name" : "#004",
-               "drilldown" : "004"
+               "y" : 99
             },
             {
-               "drilldown" : "005",
+               "name" : "#005",
                "y" : 78,
-               "name" : "#005"
+               "drilldown" : "005"
             },
             {
-               "drilldown" : "006",
                "name" : "#006",
-               "y" : 58
+               "y" : 58,
+               "drilldown" : "006"
             },
             {
-               "y" : 64,
+               "drilldown" : "007",
                "name" : "#007",
-               "drilldown" : "007"
+               "y" : 64
             },
             {
-               "drilldown" : "008",
                "y" : 78,
-               "name" : "#008"
+               "name" : "#008",
+               "drilldown" : "008"
             },
             {
                "name" : "#009",
@@ -60,9 +68,9 @@
                "drilldown" : "009"
             },
             {
-               "drilldown" : "010",
+               "name" : "#010",
                "y" : 65,
-               "name" : "#010"
+               "drilldown" : "010"
             },
             {
                "drilldown" : "011",
@@ -71,8 +79,8 @@
             },
             {
                "drilldown" : "012",
-               "name" : "#012",
-               "y" : 89
+               "y" : 89,
+               "name" : "#012"
             },
             {
                "drilldown" : "013",
@@ -81,8 +89,8 @@
             },
             {
                "drilldown" : "014",
-               "y" : 101,
-               "name" : "#014"
+               "name" : "#014",
+               "y" : 101
             },
             {
                "y" : 99,
@@ -90,73 +98,73 @@
                "drilldown" : "015"
             },
             {
-               "drilldown" : "016",
                "y" : 71,
-               "name" : "#016"
+               "name" : "#016",
+               "drilldown" : "016"
             },
             {
-               "drilldown" : "017",
+               "y" : 84,
                "name" : "#017",
-               "y" : 84
+               "drilldown" : "017"
             },
             {
                "drilldown" : "018",
-               "name" : "#018",
-               "y" : 81
+               "y" : 81,
+               "name" : "#018"
             },
             {
-               "drilldown" : "019",
+               "y" : 103,
                "name" : "#019",
-               "y" : 103
+               "drilldown" : "019"
             },
             {
+               "drilldown" : "020",
                "name" : "#020",
-               "y" : 101,
-               "drilldown" : "020"
+               "y" : 101
             },
             {
-               "y" : 72,
+               "drilldown" : "021",
                "name" : "#021",
-               "drilldown" : "021"
+               "y" : 72
             },
             {
-               "drilldown" : "022",
+               "y" : 68,
                "name" : "#022",
-               "y" : 68
+               "drilldown" : "022"
             },
             {
-               "drilldown" : "023",
+               "y" : 97,
                "name" : "#023",
-               "y" : 97
+               "drilldown" : "023"
             },
             {
-               "y" : 75,
+               "drilldown" : "024",
                "name" : "#024",
-               "drilldown" : "024"
+               "y" : 75
             },
             {
-               "y" : 59,
                "name" : "#025",
+               "y" : 59,
                "drilldown" : "025"
             },
             {
                "drilldown" : "026",
-               "y" : 74,
-               "name" : "#026"
+               "name" : "#026",
+               "y" : 74
             },
             {
-               "name" : "#027",
+               "drilldown" : "027",
                "y" : 62,
-               "drilldown" : "027"
+               "name" : "#027"
             },
             {
-               "drilldown" : "028",
                "name" : "#028",
-               "y" : 82
+               "y" : 82,
+               "drilldown" : "028"
             },
             {
-               "y" : 81,
                "name" : "#029",
+               "y" : 81,
                "drilldown" : "029"
             },
             {
@@ -165,9 +173,9 @@
                "drilldown" : "030"
             },
             {
+               "drilldown" : "031",
                "y" : 89,
-               "name" : "#031",
-               "drilldown" : "031"
+               "name" : "#031"
             },
             {
                "drilldown" : "032",
@@ -175,8 +183,8 @@
                "name" : "#032"
             },
             {
-               "name" : "#033",
                "y" : 110,
+               "name" : "#033",
                "drilldown" : "033"
             },
             {
@@ -185,24 +193,24 @@
                "drilldown" : "034"
             },
             {
-               "y" : 64,
                "name" : "#035",
+               "y" : 64,
                "drilldown" : "035"
             },
             {
-               "drilldown" : "036",
+               "y" : 68,
                "name" : "#036",
-               "y" : 68
+               "drilldown" : "036"
             },
             {
-               "y" : 67,
                "name" : "#037",
+               "y" : 67,
                "drilldown" : "037"
             },
             {
+               "drilldown" : "038",
                "name" : "#038",
-               "y" : 68,
-               "drilldown" : "038"
+               "y" : 68
             },
             {
                "drilldown" : "039",
@@ -210,9 +218,9 @@
                "name" : "#039"
             },
             {
-               "drilldown" : "040",
                "y" : 73,
-               "name" : "#040"
+               "name" : "#040",
+               "drilldown" : "040"
             },
             {
                "drilldown" : "041",
@@ -220,9 +228,9 @@
                "name" : "#041"
             },
             {
-               "y" : 92,
+               "drilldown" : "042",
                "name" : "#042",
-               "drilldown" : "042"
+               "y" : 92
             },
             {
                "name" : "#043",
@@ -230,9 +238,9 @@
                "drilldown" : "043"
             },
             {
-               "name" : "#044",
+               "drilldown" : "044",
                "y" : 85,
-               "drilldown" : "044"
+               "name" : "#044"
             },
             {
                "drilldown" : "045",
@@ -240,19 +248,19 @@
                "y" : 96
             },
             {
+               "drilldown" : "046",
                "y" : 87,
-               "name" : "#046",
-               "drilldown" : "046"
+               "name" : "#046"
             },
             {
-               "drilldown" : "047",
+               "name" : "#047",
                "y" : 84,
-               "name" : "#047"
+               "drilldown" : "047"
             },
             {
                "drilldown" : "048",
-               "y" : 108,
-               "name" : "#048"
+               "name" : "#048",
+               "y" : 108
             },
             {
                "drilldown" : "049",
@@ -260,19 +268,19 @@
                "name" : "#049"
             },
             {
-               "y" : 98,
+               "drilldown" : "050",
                "name" : "#050",
-               "drilldown" : "050"
+               "y" : 98
             },
             {
-               "y" : 89,
                "name" : "#051",
+               "y" : 89,
                "drilldown" : "051"
             },
             {
+               "drilldown" : "052",
                "y" : 91,
-               "name" : "#052",
-               "drilldown" : "052"
+               "name" : "#052"
             },
             {
                "drilldown" : "053",
@@ -286,8 +294,8 @@
             },
             {
                "drilldown" : "055",
-               "y" : 88,
-               "name" : "#055"
+               "name" : "#055",
+               "y" : 88
             },
             {
                "drilldown" : "056",
@@ -300,64 +308,64 @@
                "name" : "#057"
             },
             {
-               "drilldown" : "058",
+               "name" : "#058",
                "y" : 69,
-               "name" : "#058"
+               "drilldown" : "058"
             },
             {
                "drilldown" : "059",
-               "y" : 89,
-               "name" : "#059"
+               "name" : "#059",
+               "y" : 89
             },
             {
                "drilldown" : "060",
-               "name" : "#060",
-               "y" : 85
+               "y" : 85,
+               "name" : "#060"
             },
             {
-               "y" : 81,
                "name" : "#061",
+               "y" : 81,
                "drilldown" : "061"
             },
             {
-               "y" : 58,
                "name" : "#062",
+               "y" : 58,
                "drilldown" : "062"
             },
             {
                "drilldown" : "063",
-               "name" : "#063",
-               "y" : 89
+               "y" : 89,
+               "name" : "#063"
             },
             {
                "drilldown" : "064",
-               "y" : 80,
-               "name" : "#064"
+               "name" : "#064",
+               "y" : 80
             },
             {
+               "drilldown" : "065",
                "name" : "#065",
-               "y" : 73,
-               "drilldown" : "065"
+               "y" : 73
             },
             {
-               "name" : "#066",
                "y" : 84,
+               "name" : "#066",
                "drilldown" : "066"
             },
             {
-               "y" : 90,
                "name" : "#067",
+               "y" : 90,
                "drilldown" : "067"
             },
             {
                "drilldown" : "068",
-               "name" : "#068",
-               "y" : 75
+               "y" : 75,
+               "name" : "#068"
             },
             {
-               "drilldown" : "069",
                "y" : 83,
-               "name" : "#069"
+               "name" : "#069",
+               "drilldown" : "069"
             },
             {
                "name" : "#070",
@@ -365,39 +373,39 @@
                "drilldown" : "070"
             },
             {
-               "y" : 78,
                "name" : "#071",
+               "y" : 78,
                "drilldown" : "071"
             },
             {
-               "y" : 112,
+               "drilldown" : "072",
                "name" : "#072",
-               "drilldown" : "072"
+               "y" : 112
             },
             {
-               "y" : 110,
+               "drilldown" : "073",
                "name" : "#073",
-               "drilldown" : "073"
+               "y" : 110
             },
             {
-               "y" : 115,
+               "drilldown" : "074",
                "name" : "#074",
-               "drilldown" : "074"
+               "y" : 115
             },
             {
-               "name" : "#075",
+               "drilldown" : "075",
                "y" : 115,
-               "drilldown" : "075"
+               "name" : "#075"
             },
             {
                "drilldown" : "076",
-               "y" : 99,
-               "name" : "#076"
+               "name" : "#076",
+               "y" : 99
             },
             {
-               "drilldown" : "077",
+               "name" : "#077",
                "y" : 98,
-               "name" : "#077"
+               "drilldown" : "077"
             },
             {
                "name" : "#078",
@@ -410,9 +418,9 @@
                "drilldown" : "079"
             },
             {
-               "drilldown" : "080",
+               "name" : "#080",
                "y" : 127,
-               "name" : "#080"
+               "drilldown" : "080"
             },
             {
                "y" : 114,
@@ -420,39 +428,39 @@
                "drilldown" : "081"
             },
             {
-               "drilldown" : "082",
+               "name" : "#082",
                "y" : 114,
-               "name" : "#082"
+               "drilldown" : "082"
             },
             {
-               "drilldown" : "083",
+               "y" : 127,
                "name" : "#083",
-               "y" : 127
+               "drilldown" : "083"
             },
             {
-               "y" : 119,
                "name" : "#084",
+               "y" : 119,
                "drilldown" : "084"
             },
             {
                "drilldown" : "085",
-               "name" : "#085",
-               "y" : 114
+               "y" : 114,
+               "name" : "#085"
             },
             {
                "drilldown" : "086",
-               "name" : "#086",
-               "y" : 104
+               "y" : 104,
+               "name" : "#086"
             },
             {
-               "y" : 101,
+               "drilldown" : "087",
                "name" : "#087",
-               "drilldown" : "087"
+               "y" : 101
             },
             {
-               "y" : 121,
+               "drilldown" : "088",
                "name" : "#088",
-               "drilldown" : "088"
+               "y" : 121
             },
             {
                "drilldown" : "089",
@@ -461,53 +469,53 @@
             },
             {
                "drilldown" : "090",
-               "name" : "#090",
-               "y" : 113
+               "y" : 113,
+               "name" : "#090"
             },
             {
-               "y" : 108,
+               "drilldown" : "091",
                "name" : "#091",
-               "drilldown" : "091"
+               "y" : 108
             },
             {
-               "drilldown" : "092",
+               "name" : "#092",
                "y" : 98,
-               "name" : "#092"
+               "drilldown" : "092"
             },
             {
+               "drilldown" : "093",
                "name" : "#093",
-               "y" : 87,
-               "drilldown" : "093"
+               "y" : 87
             },
             {
-               "drilldown" : "094",
                "y" : 87,
-               "name" : "#094"
+               "name" : "#094",
+               "drilldown" : "094"
             },
             {
-               "drilldown" : "095",
                "name" : "#095",
-               "y" : 108
+               "y" : 108,
+               "drilldown" : "095"
             },
             {
+               "drilldown" : "096",
                "name" : "#096",
-               "y" : 108,
-               "drilldown" : "096"
+               "y" : 108
             },
             {
+               "drilldown" : "097",
                "name" : "#097",
-               "y" : 111,
-               "drilldown" : "097"
+               "y" : 111
             },
             {
+               "drilldown" : "098",
                "name" : "#098",
-               "y" : 108,
-               "drilldown" : "098"
+               "y" : 108
             },
             {
                "drilldown" : "099",
-               "y" : 97,
-               "name" : "#099"
+               "name" : "#099",
+               "y" : 97
             },
             {
                "drilldown" : "100",
@@ -515,14 +523,14 @@
                "y" : 120
             },
             {
-               "drilldown" : "101",
+               "y" : 83,
                "name" : "#101",
-               "y" : 83
+               "drilldown" : "101"
             },
             {
-               "name" : "#102",
+               "drilldown" : "102",
                "y" : 90,
-               "drilldown" : "102"
+               "name" : "#102"
             },
             {
                "drilldown" : "103",
@@ -536,17 +544,17 @@
             },
             {
                "drilldown" : "105",
-               "name" : "#105",
-               "y" : 75
+               "y" : 75,
+               "name" : "#105"
             },
             {
+               "drilldown" : "106",
                "name" : "#106",
-               "y" : 97,
-               "drilldown" : "106"
+               "y" : 97
             },
             {
-               "name" : "#107",
                "y" : 90,
+               "name" : "#107",
                "drilldown" : "107"
             },
             {
@@ -556,8 +564,8 @@
             },
             {
                "drilldown" : "109",
-               "y" : 107,
-               "name" : "#109"
+               "name" : "#109",
+               "y" : 107
             },
             {
                "drilldown" : "110",
@@ -571,83 +579,83 @@
             },
             {
                "drilldown" : "112",
-               "y" : 92,
-               "name" : "#112"
+               "name" : "#112",
+               "y" : 92
             },
             {
-               "drilldown" : "113",
                "name" : "#113",
-               "y" : 92
+               "y" : 92,
+               "drilldown" : "113"
             },
             {
-               "y" : 108,
                "name" : "#114",
+               "y" : 108,
                "drilldown" : "114"
             },
             {
+               "drilldown" : "115",
                "name" : "#115",
-               "y" : 96,
-               "drilldown" : "115"
+               "y" : 96
             },
             {
-               "y" : 95,
                "name" : "#116",
+               "y" : 95,
                "drilldown" : "116"
             },
             {
+               "drilldown" : "117",
                "y" : 97,
-               "name" : "#117",
-               "drilldown" : "117"
+               "name" : "#117"
             },
             {
-               "drilldown" : "118",
+               "name" : "#118",
                "y" : 83,
-               "name" : "#118"
+               "drilldown" : "118"
             },
             {
+               "drilldown" : "119",
                "y" : 125,
-               "name" : "#119",
-               "drilldown" : "119"
+               "name" : "#119"
             },
             {
-               "drilldown" : "120",
                "y" : 116,
-               "name" : "#120"
+               "name" : "#120",
+               "drilldown" : "120"
             },
             {
-               "drilldown" : "121",
+               "name" : "#121",
                "y" : 92,
-               "name" : "#121"
+               "drilldown" : "121"
             },
             {
-               "y" : 110,
+               "drilldown" : "122",
                "name" : "#122",
-               "drilldown" : "122"
+               "y" : 110
             },
             {
-               "drilldown" : "123",
                "y" : 105,
-               "name" : "#123"
+               "name" : "#123",
+               "drilldown" : "123"
             },
             {
+               "drilldown" : "124",
                "name" : "#124",
-               "y" : 85,
-               "drilldown" : "124"
+               "y" : 85
             },
             {
                "drilldown" : "125",
-               "name" : "#125",
-               "y" : 63
+               "y" : 63,
+               "name" : "#125"
             },
             {
-               "drilldown" : "126",
+               "name" : "#126",
                "y" : 113,
-               "name" : "#126"
+               "drilldown" : "126"
             },
             {
-               "drilldown" : "127",
+               "y" : 110,
                "name" : "#127",
-               "y" : 110