- Added solutions by Mariano Ortega.

- Added solutions by PokGoPun.
- Added solutions by Lubos Kolouch.
- Added solutions by Luca Ferrari.
- Added solutions by Roger Bell_West.
- Added solutions by Ulrich Rieke.

23 files changed, 3057 insertions, 2970 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 9d2bb73c4f..c4557aaf25 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,88 +1,4 @@
 {
-   "subtitle" : {
-      "text" : "[Champions: 13] Last updated at 2025-02-19 12:31:15 GMT"
-   },
-   "tooltip" : {
-      "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/>",
-      "followPointer" : 1
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 309"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 3,
-               "name" : "Ali Moradi",
-               "drilldown" : "Ali Moradi"
-            },
-            {
-               "y" : 2,
-               "name" : "Andreas Mahnke",
-               "drilldown" : "Andreas Mahnke"
-            },
-            {
-               "name" : "Athanasius",
-               "drilldown" : "Athanasius",
-               "y" : 4
-            },
-            {
-               "drilldown" : "David Ferrone",
-               "name" : "David Ferrone",
-               "y" : 2
-            },
-            {
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Kjetil Skotheim",
-               "name" : "Kjetil Skotheim"
-            },
-            {
-               "y" : 2,
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "name" : "Peter Meszaros",
-               "drilldown" : "Peter Meszaros",
-               "y" : 2
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Robbie Hatley",
-               "name" : "Robbie Hatley"
-            },
-            {
-               "name" : "Steven Wilson",
-               "drilldown" : "Steven Wilson",
-               "y" : 2
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Thomas Kohler",
-               "name" : "Thomas Kohler"
-            },
-            {
-               "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 309"
-      }
-   ],
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
@@ -92,8 +8,11 @@
          }
       }
    },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "The Weekly Challenge - 309"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 18] Last updated at 2025-02-20 13:02:03 GMT"
    },
    "yAxis" : {
       "title" : {
@@ -103,6 +22,14 @@
    "chart" : {
       "type" : "column"
    },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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/>"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -120,8 +47,8 @@
             ]
          },
          {
-            "name" : "Andreas Mahnke",
             "id" : "Andreas Mahnke",
+            "name" : "Andreas Mahnke",
             "data" : [
                [
                   "Perl",
@@ -130,8 +57,8 @@
             ]
          },
          {
-            "id" : "Athanasius",
             "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -144,14 +71,14 @@
             ]
          },
          {
+            "name" : "David Ferrone",
+            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "David Ferrone",
-            "name" : "David Ferrone"
+            ]
          },
          {
             "data" : [
@@ -164,8 +91,8 @@
             "id" : "E. Choroba"
          },
          {
-            "id" : "Kjetil Skotheim",
             "name" : "Kjetil Skotheim",
+            "id" : "Kjetil Skotheim",
             "data" : [
                [
                   "Perl",
@@ -174,8 +101,42 @@
             ]
          },
          {
-            "id" : "Mark Anderson",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Lubos Kolouch",
+            "id" : "Lubos Kolouch"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  6
+               ]
+            ],
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Mariano Ortega",
+            "id" : "Mariano Ortega"
+         },
+         {
             "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
@@ -208,8 +169,6 @@
             ]
          },
          {
-            "name" : "Robbie Hatley",
-            "id" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -219,21 +178,35 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Robbie Hatley",
+            "id" : "Robbie Hatley"
          },
          {
             "data" : [
                [
                   "Perl",
                   2
+               ],
+               [
+                  "Raku",
+                  2
                ]
             ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
+         },
+         {
+            "id" : "Steven Wilson",
             "name" : "Steven Wilson",
-            "id" : "Steven Wilson"
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
          },
          {
-            "id" : "Thomas Kohler",
-            "name" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -243,11 +216,27 @@
                   "Blog",
                   2
                ]
+            ],
+            "name" : "Thomas Kohler",
+            "id" : "Thomas Kohler"
+         },
+         {
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
             ]
          },
          {
-            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -261,7 +250,105 @@
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 309",
+         "data" : [
+            {
+               "y" : 3,
+               "drilldown" : "Ali Moradi",
+               "name" : "Ali Moradi"
+            },
+            {
+               "y" : 2,
+               "name" : "Andreas Mahnke",
+               "drilldown" : "Andreas Mahnke"
+            },
+            {
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "name" : "David Ferrone",
+               "drilldown" : "David Ferrone",
+               "y" : 2
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "name" : "Kjetil Skotheim",
+               "drilldown" : "Kjetil Skotheim",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Lubos Kolouch",
+               "drilldown" : "Lubos Kolouch"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 8
+            },
+            {
+               "drilldown" : "Mariano Ortega",
+               "name" : "Mariano Ortega",
+               "y" : 2
+            },
+            {
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "name" : "Robbie Hatley",
+               "drilldown" : "Robbie Hatley",
+               "y" : 3
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
+            },
+            {
+               "name" : "Steven Wilson",
+               "drilldown" : "Steven Wilson",
+               "y" : 2
+            },
+            {
+               "name" : "Thomas Kohler",
+               "drilldown" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "y" : 4,
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
+   "legend" : {
+      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-2019.json b/stats/pwc-language-breakdown-2019.json
index 2579bb385f..987bdad53c 100644
--- a/stats/pwc-language-breakdown-2019.json
+++ b/stats/pwc-language-breakdown-2019.json
@@ -1,247 +1,34 @@
 {
-   "tooltip" : {
-      "followPointer" : "true",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2025-02-19 12:31:15 GMT"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
    },
-   "chart" : {
-      "type" : "column"
+   "title" : {
+      "text" : "The Weekly Challenge Language"
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "legend" : {
-      "enabled" : "false"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2025-02-20 13:02:03 GMT"
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-   "series" : [
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-         "colorByPoint" : "true",
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-               "drilldown" : "004"
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-               "drilldown" : "003"
-            },
-            {
-               "y" : 133,
-               "name" : "002",
-               "drilldown" : "002"
-            },
-            {
-               "name" : "001",
-               "drilldown" : "001",
-               "y" : 165
-            }
-         ],
-         "name" : "The Weekly Challenge Languages"
-      }
-   ],
-   "title" : {
-      "text" : "The Weekly Challenge Language"
+   "chart" : {
+      "type" : "column"
    },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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/>"
    },
    "drilldown" : {
       "series" : [
@@ -278,12 +65,10 @@
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                ]
             ],
-            "name" : "040",
-            "id" : "040"
+            "id" : "040",
+            "name" : "040"
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-            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -297,7 +82,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "039",
+            "id" : "039"
          },
          {
             "name" : "038",
@@ -332,10 +119,12 @@
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                ]
             ],
-            "name" : "037",
-            "id" : "037"
+            "id" : "037",
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                   "Perl",
@@ -349,9 +138,7 @@
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@@ -368,12 +155,10 @@
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                   "Perl",
@@ -387,11 +172,13 @@
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+            "name" : "034"
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@@ -408,8 +195,6 @@
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@@ -423,7 +208,9 @@
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@@ -440,8 +227,8 @@
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@@ -458,8 +245,8 @@
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+            "name" : "030",
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@@ -480,6 +267,8 @@
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+            "id" : "028",
+            "name" : "028",
             "data" : [
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                   "Perl",
@@ -493,13 +282,9 @@
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-            "id" : "028"
+            ]
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-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -513,9 +298,13 @@
                   "Blog",
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                ]
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+            "id" : "027"
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+            "name" : "026",
+            "id" : "026",
             "data" : [
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                   "Perl",
@@ -529,13 +318,9 @@
                   "Blog",
                   10
                ]
-            ],
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-            "id" : "026"
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-            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -549,11 +334,11 @@
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                   12
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+            "name" : "025"
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-            "name" : "024",
             "data" : [
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                   "Perl",
@@ -567,11 +352,11 @@
                   "Blog",
                   11
                ]
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+            "id" : "024"
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-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -585,11 +370,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "023",
+            "name" : "023"
          },
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-            "id" : "022",
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+            "id" : "022",
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                   "Perl",
@@ -606,8 +393,6 @@
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-            "name" : "021",
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                   "Perl",
@@ -621,7 +406,9 @@
                   "Blog",
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+            "name" : "021"
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@@ -638,8 +425,8 @@
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                ]
             ],
-            "name" : "020",
-            "id" : "020"
+            "id" : "020",
+            "name" : "020"
          },
          {
             "data" : [
@@ -674,8 +461,8 @@
                   14
                ]
             ],
-            "id" : "018",
-            "name" : "018"
+            "name" : "018",
+            "id" : "018"
          },
          {
             "name" : "017",
@@ -696,8 +483,8 @@
             ]
          },
          {
-            "id" : "016",
             "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -728,8 +515,8 @@
                   15
                ]
             ],
-            "name" : "015",
-            "id" : "015"
+            "id" : "015",
+            "name" : "015"
          },
          {
             "id" : "014",
@@ -750,6 +537,8 @@
             ]
          },
          {
+            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -763,11 +552,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "013",
-            "name" : "013"
+            ]
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -781,9 +570,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012",
-            "id" : "012"
+            ]
          },
          {
             "data" : [
@@ -840,8 +627,6 @@
             "name" : "009"
          },
          {
-            "name" : "008",
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -855,7 +640,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008",
+            "id" : "008"
          },
          {
             "data" : [
@@ -876,8 +663,8 @@
             "id" : "007"
          },
          {
-            "name" : "006",
             "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@