- Added solutions by Luca Ferrari.

16 files changed, 1857 insertions, 1838 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index a9010c1a50..445f25ac7c 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,15 +1,89 @@
 {
-   "subtitle" : {
-      "text" : "[Champions: 13] Last updated at 2023-12-27 11:21:12 GMT"
-   },
-   "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/>"
+   "title" : {
+      "text" : "The Weekly Challenge - 249"
    },
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 3,
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 3,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "David Ferrone",
+               "y" : 2,
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "y" : 10,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
+            },
+            {
+               "name" : "Packy Anderson",
+               "y" : 5,
+               "drilldown" : "Packy Anderson"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
+            },
+            {
+               "name" : "Stephen G. Lynn",
+               "drilldown" : "Stephen G. Lynn",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "y" : 4,
+               "name" : "Thomas Kohler"
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 249"
+      }
+   ],
    "drilldown" : {
       "series" : [
          {
+            "name" : "Arne Sommer",
             "id" : "Arne Sommer",
             "data" : [
                [
@@ -20,11 +94,9 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Arne Sommer"
+            ]
          },
          {
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -35,16 +107,17 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby"
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
+            "name" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "David Ferrone",
             "id" : "David Ferrone"
          },
          {
@@ -62,13 +135,27 @@
                [
                   "Raku",
                   2
+               ],
+               [
+                  "Blog",
+                  8
+               ]
+            ],
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
                ]
             ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
          },
          {
-            "name" : "Packy Anderson",
+            "id" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -83,10 +170,9 @@
                   1
                ]
             ],
-            "id" : "Packy Anderson"
+            "name" : "Packy Anderson"
          },
          {
-            "id" : "Peter Campbell Smith",
             "name" : "Peter Campbell Smith",
             "data" : [
                [
@@ -97,7 +183,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Peter Campbell Smith"
          },
          {
             "data" : [
@@ -106,10 +193,11 @@
                   2
                ]
             ],
-            "name" : "Peter Meszaros",
-            "id" : "Peter Meszaros"
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
          },
          {
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -120,11 +208,9 @@
                   2
                ]
             ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            "name" : "Roger Bell_West"
          },
          {
-            "name" : "Stephen G. Lynn",
             "data" : [
                [
                   "Perl",
@@ -135,9 +221,11 @@
                   1
                ]
             ],
-            "id" : "Stephen G. Lynn"
+            "id" : "Stephen G. Lynn",
+            "name" : "Stephen G. Lynn"
          },
          {
+            "name" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -148,12 +236,9 @@
                   2
                ]
             ],
-            "name" : "Thomas Kohler",
             "id" : "Thomas Kohler"
          },
          {
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -163,9 +248,12 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
          },
          {
+            "name" : "W. Luis Mochan",
             "id" : "W. Luis Mochan",
             "data" : [
                [
@@ -176,101 +264,32 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "W. Luis Mochan"
+            ]
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 249"
+   "subtitle" : {
+      "text" : "[Champions: 14] Last updated at 2023-12-27 11:32:57 GMT"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "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/>"
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
    },
-   "series" : [
-      {
-         "data" : [
-            {
-               "name" : "Arne Sommer",
-               "y" : 3,
-               "drilldown" : "Arne Sommer"
-            },
-            {
-               "drilldown" : "Dave Jacoby",
-               "y" : 3,
-               "name" : "Dave Jacoby"
-            },
-            {
-               "drilldown" : "David Ferrone",
-               "y" : 2,
-               "name" : "David Ferrone"
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "y" : 2,
-               "name" : "Mark Anderson"
-            },
-            {
-               "drilldown" : "Packy Anderson",
-               "name" : "Packy Anderson",
-               "y" : 5
-            },
-            {
-               "y" : 3,
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith"
-            },
-            {
-               "y" : 2,
-               "name" : "Peter Meszaros",
-               "drilldown" : "Peter Meszaros"
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 4
-            },
-            {
-               "name" : "Stephen G. Lynn",
-               "y" : 3,
-               "drilldown" : "Stephen G. Lynn"
-            },
-            {
-               "name" : "Thomas Kohler",
-               "y" : 4,
-               "drilldown" : "Thomas Kohler"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke",
-               "y" : 4
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 249"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
-   ],
+   },
    "legend" : {
       "enabled" : 0
    },
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 31c81bf4df..6b8c869e31 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,10 +2,22 @@
    "series" : [
       {
          "name" : "Contributions",
+         "dataLabels" : {
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "enabled" : "true",
+            "y" : 10,
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "align" : "right",
+            "color" : "#FFFFFF"
+         },
          "data" : [
             [
                "Blog",
-               4337
+               4345
             ],
             [
                "Perl",
@@ -13,51 +25,39 @@
             ],
             [
                "Raku",
-               7392
+               7394
             ]
-         ],
-         "dataLabels" : {
-            "align" : "right",
-            "color" : "#FFFFFF",
-            "enabled" : "true",
-            "rotation" : -90,
-            "y" : 10,
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "format" : "{point.y:.0f}"
-         }
+         ]
       }
    ],
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "chart" : {
-      "type" : "column"
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2023]"
    },
    "subtitle" : {
-      "text" : "Last updated at 2023-12-27 11:21:12 GMT"
+      "text" : "Last updated at 2023-12-27 11:32:57 GMT"
    },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2023]"
-   },
    "yAxis" : {
       "min" : 0,
       "title" : {
          "text" : null
       }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 65faf97484..f4beabc227 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,29 +1,12 @@
 {
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
    "series" : [
       {
+         "name" : "The Weekly Challenge Languages",
          "data" : [
             {
-               "y" : 164,
                "name" : "#001",
-               "drilldown" : "001"
+               "drilldown" : "001",
+               "y" : 164
             },
             {
                "name" : "#002",
@@ -31,99 +14,99 @@
                "drilldown" : "002"
             },
             {
-               "drilldown" : "003",
                "name" : "#003",
-               "y" : 87
+               "y" : 87,
+               "drilldown" : "003"
             },
             {
-               "name" : "#004",
                "y" : 103,
-               "drilldown" : "004"
+               "drilldown" : "004",
+               "name" : "#004"
             },
             {
-               "y" : 80,
                "name" : "#005",
+               "y" : 80,
                "drilldown" : "005"
             },
             {
                "name" : "#006",
-               "y" : 61,
-               "drilldown" : "006"
+               "drilldown" : "006",
+               "y" : 61
             },
             {
+               "drilldown" : "007",
                "y" : 69,
-               "name" : "#007",
-               "drilldown" : "007"
+               "name" : "#007"
             },
             {
-               "drilldown" : "008",
                "name" : "#008",
-               "y" : 82
+               "y" : 82,
+               "drilldown" : "008"
             },
             {
                "drilldown" : "009",
-               "name" : "#009",
-               "y" : 80
+               "y" : 80,
+               "name" : "#009"
             },
             {
                "y" : 69,
-               "name" : "#010",
-               "drilldown" : "010"
+               "drilldown" : "010",
+               "name" : "#010"
             },
             {
-               "y" : 89,
                "name" : "#011",
+               "y" : 89,
                "drilldown" : "011"
             },
             {
                "drilldown" : "012",
-               "name" : "#012",
-               "y" : 92
+               "y" : 92,
+               "name" : "#012"
             },
             {
+               "drilldown" : "013",
                "y" : 87,
-               "name" : "#013",
-               "drilldown" : "013"
+               "name" : "#013"
             },
             {
-               "name" : "#014",
                "y" : 102,
-               "drilldown" : "014"
+               "drilldown" : "014",
+               "name" : "#014"
             },
             {
-               "drilldown" : "015",
+               "name" : "#015",
                "y" : 101,
-               "name" : "#015"
+               "drilldown" : "015"
             },
             {
+               "name" : "#016",
                "drilldown" : "016",
-               "y" : 75,
-               "name" : "#016"
+               "y" : 75
             },
             {
-               "drilldown" : "017",
                "y" : 86,
+               "drilldown" : "017",
                "name" : "#017"
             },
             {
-               "drilldown" : "018",
                "y" : 83,
+               "drilldown" : "018",
                "name" : "#018"
             },
             {
-               "drilldown" : "019",
                "y" : 105,
+               "drilldown" : "019",
                "name" : "#019"
             },
             {
-               "name" : "#020",
                "y" : 103,
-               "drilldown" : "020"
+               "drilldown" : "020",
+               "name" : "#020"
             },
             {
+               "name" : "#021",
                "drilldown" : "021",
-               "y" : 74,
-               "name" : "#021"
+               "y" : 74
             },
             {
                "drilldown" : "022",
@@ -131,14 +114,14 @@
                "name" : "#022"
             },
             {
-               "drilldown" : "023",
                "y" : 101,
+               "drilldown" : "023",
                "name" : "#023"
             },
             {
-               "drilldown" : "024",
                "name" : "#024",
-               "y" : 77
+               "y" : 77,
+               "drilldown" : "024"
             },
             {
                "drilldown" : "025",
@@ -146,54 +129,54 @@
                "name" : "#025"
             },
             {
-               "drilldown" : "026",
                "y" : 76,
+               "drilldown" : "026",
                "name" : "#026"
             },
             {
+               "drilldown" : "027",
                "y" : 64,
-               "name" : "#027",
-               "drilldown" : "027"
+               "name" : "#027"
             },
             {
-               "drilldown" : "028",
                "y" : 82,
+               "drilldown" : "028",
                "name" : "#028"
             },
             {
-               "name" : "#029",
+               "drilldown" : "029",
                "y" : 83,
-               "drilldown" : "029"
+               "name" : "#029"
             },
             {
-               "y" : 121,
                "name" : "#030",
-               "drilldown" : "030"
+               "drilldown" : "030",
+               "y" : 121
             },
             {
-               "y" : 93,
                "name" : "#031",
-               "drilldown" : "031"
+               "drilldown" : "031",
+               "y" : 93
             },
             {
                "drilldown" : "032",
-               "name" : "#032",
-               "y" : 98
+               "y" : 98,
+               "name" : "#032"
             },
             {
-               "drilldown" : "033",
                "y" : 114,
+               "drilldown" : "033",
                "name" : "#033"
             },
             {
-               "y" : 70,
                "name" : "#034",
+               "y" : 70,
                "drilldown" : "034"
             },
             {
-               "name" : "#035",
                "y" : 68,
-               "drilldown" : "035"
+               "drilldown" : "035",
+               "name" : "#035"
             },
             {
                "name" : "#036",
@@ -201,14 +184,14 @@
                "drilldown" : "036"
             },
             {
-               "drilldown" : "037",
                "name" : "#037",
+               "drilldown" : "037",
                "y" : 70
             },
             {
-               "drilldown" : "038",
+               "name" : "#038",
                "y" : 74,
-               "name" : "#038"
+               "drilldown" : "038"
             },
             {
                "drilldown" : "039",
@@ -216,29 +199,29 @@
                "name" : "#039"
             },
             {
-               "drilldown" : "040",
                "name" : "#040",
+               "drilldown" : "040",
                "y" : 77
             },
             {
-               "drilldown" : "041",
+               "name" : "#041",
                "y" : 80,
-               "name" : "#041"
+               "drilldown" : "041"
             },
             {
-               "y" : 98,
                "name" : "#042",
+               "y" : 98,
                "drilldown" : "042"
             },
             {
                "name" : "#043",
-               "y" : 72,
-               "drilldown" : "043"
+               "drilldown" : "043",
+               "y" : 72
             },
             {
+               "drilldown" : "044",
                "y" : 90,
-               "name" : "#044",
-               "drilldown" : "044"
+               "name" : "#044"
             },
             {
                "name" : "#045",
@@ -246,129 +229,129 @@
                "drilldown" : "045"
             },
             {
+               "y" : 93,
                "drilldown" : "046",
-               "name" : "#046",
-               "y" : 93
+               "name" : "#046"
             },
             {
-               "name" : "#047",
                "y" : 88,
-               "drilldown" : "047"
+               "drilldown" : "047",
+               "name" : "#047"
             },
             {
+               "drilldown" : "048",
                "y" : 112,
-               "name" : "#048",
-               "drilldown" : "048"
+               "name" : "#048"
             },
             {
-               "drilldown" : "049",
                "name" : "#049",
-               "y" : 93
+               "y" : 93,
+               "drilldown" : "049"
             },
             {
-               "y" : 104,
                "name" : "#050",
+               "y" : 104,
                "drilldown" : "050"
             },
             {
-               "y" : 95,
                "name" : "#051",
+               "y" : 95,
                "drilldown" : "051"
             },
             {
+               "drilldown" : "052",
                "y" : 93,
-               "name" : "#052",
-               "drilldown" : "052"
+               "name" : "#052"
             },
             {
                "name" : "#053",
-               "y" : 105,
-               "drilldown" : "053"
+               "drilldown" : "053",
+               "y" : 105
             },
             {
-               "drilldown" : "054",
                "name" : "#054",
+               "drilldown" : "054",
                "y" : 107
             },
             {
+               "name" : "#055",
                "drilldown" : "055",
-               "y" : 92,
-               "name" : "#055"
+               "y" : 92
             },
             {
+               "y" : 104,
                "drilldown" : "056",
-               "name" : "#056",
-               "y" : 104
+               "name" : "#056"
             },
             {
+               "y" : 86,
                "drilldown" : "057",
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+               "name" : "#057"
             },
             {
-               "drilldown" : "058",
                "name" : "#058",
-               "y" : 71
+               "y" : 71,
+               "drilldown" : "058"
             },
             {
+               "drilldown" : "059",
                "y" : 93,
-               "name" : "#059",
-               "drilldown" : "059"
+               "name" : "#059"
             },
             {
-               "drilldown" : "060",
                "name" : "#060",
-               "y" : 89
+               "y" : 89,
+               "drilldown" : "060"
             },
             {
                "name" : "#061",
-               "y" : 85,
-               "drilldown" : "061"
+               "drilldown" : "061",
+               "y" : 85
             },
             {
-               "drilldown" : "062",
                "y" : 62,
+               "drilldown" : "062",
                "name" : "#062"
             },
             {
-               "y" : 93,
                "name" : "#063",
-               "drilldown" : "063"
+               "drilldown" : "063",
+               "y" : 93
             },
             {
-               "name" : "#064",
+               "drilldown" : "064",
                "y" : 84,
-               "drilldown" : "064"
+               "name" : "#064"
             },
             {
+               "drilldown" : "065",
                "y" : 77,
-               "name" : "#065",
-               "drilldown" : "065"
+               "name" : "#065"
             },
             {
+               "y" : 88,
                "drilldown" : "066",
-               "name" : "#066",
-               "y" : 88
+               "name" : "#066"
             },
             {
-               "name" : "#067",
                "y" : 94,
-               "drilldown" : "067"
+               "drilldown" : "067",
+               "name" : "#067"
             },
             {
-               "name" : "#068",
                "y" : 79,
-               "drilldown" : "068"
+               "drilldown" : "068",
+               "name" : "#068"
             },
             {
-               "drilldown" : "069",
                "y" : 87,
+               "drilldown" : "069",
                "name" : "#069"
             },
             {
                "name" : "#070",
-               "y" : 98,
-               "drilldown" : "070"
+               "drilldown" : "070",
+               "y" : 98
             },
             {
                "drilldown" : "071",
@@ -382,23 +365,23 @@
             },
             {
                "drilldown" : "073",
-               "name" : "#073",
-               "y" : 112
+               "y" : 112,
+               "name" : "#073"
             },
             {
-               "drilldown" : "074",
+               "name" : "#074",
                "y" : 117,
-               "name" : "#074"
+               "drilldown" : "074"
             },
             {
                "y" : 117,
-               "name" : "#075",
-               "drilldown" : "075"
+               "drilldown" : "075",
+               "name" : "#075"
             },
             {
                "name" : "#076",
-               "y" : 101,
-               "drilldown" : "076"
+               "drilldown" : "076",
+               "y" : 101
             },
             {
                "drilldown" : "077",
@@ -406,59 +389,59 @@
                "name" : "#077"
             },
             {
-               "drilldown" : "078",
                "name" : "#078",
-               "y" : 127
+               "y" : 127,
+               "drilldown" : "078"
             },
             {
-               "y" : 122,
                "name" : "#079",
+               "y" : 122,
                "drilldown" : "079"
             },
             {
+               "drilldown" : "080",
                "y" : 127,
-               "name" : "#080",
-               "drilldown" : "080"
+               "name" : "#080"
             },
             {
                "y" : 114,
-               "name" : "#081",
-               "drilldown" : "081"
+               "drilldown" : "081",
+               "name" : "#081"
             },
             {
                "y" : 114,
-               "name" : "#082",
-               "drilldown" : "082"
+               "drilldown" : "082",
+               "name" : "#082"
             },
             {
-               "drilldown" : "083",
                "y" : 127,
+               "drilldown" : "083",
                "name" : "#083"
             },
             {
-               "drilldown" : "084",
                "name" : "#084",
-               "y" : 119
+               "y" : 119,
+               "drilldown" : "084"
             },
             {
+               "drilldown" : "085",
                "y" : 113,
-               "name" : "#085",
-               "drilldown" : "085"
+               "name" : "#085"
             },
             {
+               "dri