- Added solutions by Mark Anderson.

- Added solutions by Lubos Kolouch.
- Added solutions by Eric Cheung.
- Added solutions by Ulrich Rieke.
- Added solutions by E. Choroba.
- Added solutions by Peter Campbell Smith.
- Added solutions by Niels van Dijke.
- Added solutions by Conor Hoekstra.
- Added solutions by Andreas Mahnke.
- Added solutions by David Ferrone.
- Added solutions by Peter Meszaros.
- Added solutions by PokGoPun.
- Added solutions by W. Luis Mochan.

25 files changed, 3610 insertions, 3362 deletions

diff --git a/stats/pwc-challenge-304.json b/stats/pwc-challenge-304.json
index 941b7f565e..a4ee454370 100644
--- a/stats/pwc-challenge-304.json
+++ b/stats/pwc-challenge-304.json
@@ -1,8 +1,18 @@
 {
+   "subtitle" : {
+      "text" : "[Champions: 26] Last updated at 2025-01-28 10:41:28 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 304",
          "data" : [
             {
                "drilldown" : "Andreas Mahnke",
@@ -11,13 +21,13 @@
             },
             {
                "drilldown" : "Arne Sommer",
-               "y" : 3,
-               "name" : "Arne Sommer"
+               "name" : "Arne Sommer",
+               "y" : 3
             },
             {
-               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
                "y" : 4,
-               "name" : "Athanasius"
+               "drilldown" : "Athanasius"
             },
             {
                "name" : "BarrOff",
@@ -26,32 +36,32 @@
             },
             {
                "drilldown" : "Bob Lied",
-               "y" : 2,
-               "name" : "Bob Lied"
+               "name" : "Bob Lied",
+               "y" : 2
             },
             {
-               "y" : 3,
                "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby"
+               "name" : "Dave Jacoby",
+               "y" : 3
             },
             {
+               "name" : "David Ferrone",
                "y" : 2,
-               "drilldown" : "David Ferrone",
-               "name" : "David Ferrone"
+               "drilldown" : "David Ferrone"
             },
             {
                "drilldown" : "E. Choroba",
-               "y" : 2,
-               "name" : "E. Choroba"
+               "name" : "E. Choroba",
+               "y" : 2
             },
             {
-               "name" : "Feng Chang",
+               "drilldown" : "Feng Chang",
                "y" : 2,
-               "drilldown" : "Feng Chang"
+               "name" : "Feng Chang"
             },
             {
-               "y" : 5,
                "drilldown" : "Jaldhar H. Vyas",
+               "y" : 5,
                "name" : "Jaldhar H. Vyas"
             },
             {
@@ -60,14 +70,19 @@
                "drilldown" : "Jan Krnavek"
             },
             {
-               "name" : "Jorg Sommrey",
                "y" : 3,
+               "name" : "Jorg Sommrey",
                "drilldown" : "Jorg Sommrey"
             },
             {
-               "y" : 4,
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch",
+               "y" : 2
+            },
+            {
                "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
+               "name" : "Luca Ferrari",
+               "y" : 4
             },
             {
                "drilldown" : "Mark Anderson",
@@ -75,23 +90,23 @@
                "name" : "Mark Anderson"
             },
             {
-               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
                "y" : 3,
-               "name" : "Matthias Muth"
+               "drilldown" : "Matthias Muth"
             },
             {
-               "y" : 3,
                "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
                "name" : "Peter Campbell Smith"
             },
             {
+               "name" : "Peter Meszaros",
                "y" : 2,
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros"
+               "drilldown" : "Peter Meszaros"
             },
             {
-               "y" : 3,
                "drilldown" : "Robbie Hatley",
+               "y" : 3,
                "name" : "Robbie Hatley"
             },
             {
@@ -100,9 +115,9 @@
                "drilldown" : "Robert Ransbottom"
             },
             {
-               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
                "y" : 5,
-               "name" : "Roger Bell_West"
+               "drilldown" : "Roger Bell_West"
             },
             {
                "drilldown" : "Santiago Leyva",
@@ -115,55 +130,47 @@
                "drilldown" : "Thomas Kohler"
             },
             {
-               "drilldown" : "Ulrich Rieke",
                "y" : 4,
-               "name" : "Ulrich Rieke"
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
             },
             {
+               "drilldown" : "W. Luis Mochan",
                "name" : "W. Luis Mochan",
-               "y" : 3,
-               "drilldown" : "W. Luis Mochan"
+               "y" : 3
             },
             {
+               "name" : "Wanderdoc",
                "y" : 2,
-               "drilldown" : "Wanderdoc",
-               "name" : "Wanderdoc"
+               "drilldown" : "Wanderdoc"
             }
-         ]
+         ],
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 304"
       }
    ],
    "legend" : {
       "enabled" : 0
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
    },
-   "chart" : {
-      "type" : "column"
-   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Andreas Mahnke",
-            "name" : "Andreas Mahnke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Andreas Mahnke",
+            "name" : "Andreas Mahnke"
          },
          {
-            "name" : "Arne Sommer",
+            "id" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -174,11 +181,11 @@
                   1
                ]
             ],
-            "id" : "Arne Sommer"
+            "name" : "Arne Sommer"
          },
          {
-            "id" : "Athanasius",
             "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -191,27 +198,27 @@
             ]
          },
          {
-            "id" : "BarrOff",
-            "name" : "BarrOff",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "BarrOff",
+            "name" : "BarrOff"
          },
          {
+            "name" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Bob Lied",
             "id" : "Bob Lied"
          },
          {
-            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -222,39 +229,41 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby"
+            "id" : "Dave Jacoby"
          },
          {
             "id" : "David Ferrone",
-            "name" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "David Ferrone"
          },
          {
-            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "E. Choroba",
             "name" : "E. Choroba"
          },
          {
             "id" : "Feng Chang",
-            "name" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Feng Chang"
          },
          {
+            "name" : "Jaldhar H. Vyas",
+            "id" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -268,21 +277,20 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Jaldhar H. Vyas",
-            "id" : "Jaldhar H. Vyas"
+            ]
          },
          {
-            "id" : "Jan Krnavek",
             "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "id" : "Jan Krnavek"
          },
          {
+            "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
@@ -293,11 +301,20 @@
                   1
                ]
             ],
-            "name" : "Jorg Sommrey",
             "id" : "Jorg Sommrey"
          },
          {
-            "id" : "Luca Ferrari",
+            "name" : "Lubos Kolouch",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch"
+         },
+         {
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -308,17 +325,17 @@
                   2
                ]
             ],
-            "name" : "Luca Ferrari"
+            "id" : "Luca Ferrari"
          },
          {
-            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Mark Anderson"
+            "id" : "Mark Anderson"
          },
          {
             "data" : [
@@ -331,11 +348,10 @@
                   1
                ]
             ],
-            "name" : "Matthias Muth",
-            "id" : "Matthias Muth"
+            "id" : "Matthias Muth",
+            "name" : "Matthias Muth"
          },
          {
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -346,21 +362,21 @@
                   1
                ]
             ],
-            "id" : "Peter Campbell Smith"
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
-            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Peter Meszaros"
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
          },
          {
             "id" : "Robbie Hatley",
-            "name" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -370,19 +386,21 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Robbie Hatley"
          },
          {
+            "name" : "Robert Ransbottom",
             "id" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Robert Ransbottom"
+            ]
          },
          {
+            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
             "data" : [
                [
@@ -397,21 +415,21 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Roger Bell_West"
+            ]
          },
          {
+            "id" : "Santiago Leyva",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Santiago Leyva",
-            "id" : "Santiago Leyva"
+            "name" : "Santiago Leyva"
          },
          {
             "name" : "Thomas Kohler",
+            "id" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -421,10 +439,11 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Thomas Kohler"
+            ]
          },
          {
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -434,13 +453,10 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke"
+            ]
          },
          {
             "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -450,34 +466,33 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "W. Luis Mochan"
          },
          {
-            "id" : "Wanderdoc",
             "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Wanderdoc"
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 304"
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "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/>",
-      "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/>"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 25] Last updated at 2025-01-21 12:05:48 GMT"
+   "title" : {
+      "text" : "The Weekly Challenge - 304"
    }
 }
diff --git a/stats/pwc-challenge-305.json b/stats/pwc-challenge-305.json
new file mode 100644
index 0000000000..4006387877
--- /dev/null
+++ b/stats/pwc-challenge-305.json
@@ -0,0 +1,528 @@
+{
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 305"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 3,
+               "name" : "Ali Moradi",
+               "drilldown" : "Ali Moradi"
+            },
+            {
+               "y" : 2,
+               "name" : "Andreas Mahnke",
+               "drilldown" : "Andreas Mahnke"
+            },
+            {
+               "y" : 3,
+               "name" : "Arne Sommer",
+               "drilldown" : "Arne Sommer"
+            },
+            {
+               "drilldown" : "Athanasius",
+               "y" : 4,
+               "name" : "Athanasius"
+            },
+            {
+               "drilldown" : "BarrOff",
+               "name" : "BarrOff",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Bob Lied",
+               "name" : "Bob Lied",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "y" : 2,
+               "name" : "David Ferrone",
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "name" : "Feng Chang",
+               "y" : 2,
+               "drilldown" : "Feng Chang"
+            },
+            {
+               "y" : 5,
+               "name" : "Jaldhar H. Vyas",
+               "drilldown" : "Jaldhar H. Vyas"
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jeffrey \"japhy\" Pinyan",
+               "y" : 2,
+               "name" : "Jeffrey \"japhy\" Pinyan"
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "y" : 3,
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "y" : 12,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "name" : "Matthias Muth",
+               "y" : 2,
+               "drilldown" : "Matthias Muth"
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "y" : 2,
+               "name" : "Niels van Dijke"
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith"
+            },
+            {
+               "y" : 2,
+               "name" : "Peter Meszaros",
+               "drilldown" : "Peter Meszaros"
+            },
+            {
+               "drilldown" : "Robbie Hatley",
+               "name" : "Robbie Hatley",
+               "y" : 3
+            },
+            {
+               "name" : "Robert Ransbottom",
+               "y" : 2,
+               "drilldown" : "Robert Ransbottom"
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "y" : 4,
+               "name" : "Thomas Kohler"
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4,
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan"
+            },
+            {
+               "name" : "Wanderdoc",
+               "y" : 2,
+               "drilldown" : "Wanderdoc"
+            }
+         ],
+         "name" : "The Weekly Challenge - 305",
+         "colorByPoint" : 1
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 28] Last updated at 2025-01-28 10:41:28 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "id" : "Ali Moradi",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Ali Moradi"
+         },
+         {
+            "name" : "Andreas Mahnke",
+            "id" : "Andreas Mahnke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "name" : "BarrOff",
+            "id" : "BarrOff",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ]
+         },
+         {
+            "name" : "Bob Lied",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Bob Lied"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
+         },
+         {
+            "name" : "E. Choroba",
+            "id" : "E. Choroba",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
+         },
+         {
+            "name" : "Jan Krnavek",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Jan Krnavek"
+         },
+         {
+            "name" : "Jeffrey \"japhy\" Pinyan",
+            "id" : "Jeffrey \"japhy\" Pinyan",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Jorg Sommrey",
+            "data" : [
+               [
+                  "Perl",
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+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
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+         },
+         {
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+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Lubos Kolouch"
+         },
+         {
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
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+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  10
+               ]
+            ]
+         },
+         {
+            "name" : "Mark Anderson",
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+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Mark Anderson"
+         },
+         {
+            "data" : [
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+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Matthias Muth",
+            "name" : "Matthias Muth"
+         },
+         {
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+               ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
+         },
+         {
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith",
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+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "id" : "Peter Meszaros",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Peter Meszaros"
+         },