- Added solutions by Eric Cheung.

- Added solutions by Ulrich Rieke.
- Added solutions by Andrew Shitov.
- Added solutions by E. Choroba.
- Added solutions by Niels van Dijke.
- Added solutions by Feng Chang.
- Added solutions by Matthias Muth.
- Added solutions by Mark Anderson.
- Added solutions by Luca Ferrari.
- Added solutions by David Ferrone.
- Added solutions by Steven Wilson.
- Added solutions by Conor Hoekstra.
- Added solutions by W. Luis Mochan.
- Added solutions by Yitzchak Scott-Thoennes.

24 files changed, 685 insertions, 459 deletions

diff --git a/stats/pwc-challenge-321.json b/stats/pwc-challenge-321.json
new file mode 100644
index 0000000000..f60e2b41f5
--- /dev/null
+++ b/stats/pwc-challenge-321.json
@@ -0,0 +1,567 @@
+{
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+            "id" : "Adam Russell",
+            "name" : "Adam Russell"
+         },
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+               [
+                  "Perl",
+                  2
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+                  "Blog",
+                  1
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+            "id" : "Ali Moradi",
+            "name" : "Ali Moradi"
+         },
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+            "id" : "Andreas Mahnke",
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+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
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+               [
+                  "Blog",
+                  1
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+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
+         },
+         {
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+                  2
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+            "name" : "Bob Lied"
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+               [
+                  "Perl",
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+               [
+                  "Blog",
+                  1
+               ]
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+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
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+            "name" : "David Ferrone"
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+                  "Perl",
+                  2
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+            ],
+            "id" : "E. Choroba",
+            "name" : "E. Choroba"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
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+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  10
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+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
+         },
+         {
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+               [
+                  "Raku",
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+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
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+            "data" : [
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+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Matthias Muth",
+            "name" : "Matthias Muth"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Packy Anderson",
+            "name" : "Packy Anderson"
+         },
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+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
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+               [
+                  "Perl",
+                  2
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+               [
+                  "Blog",
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+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Robert Ransbottom",
+            "name" : "Robert Ransbottom"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Simon Green",
+            "name" : "Simon Green"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
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+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
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+            ],
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc"
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+   },
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+            "format" : "{point.y}"
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+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "drilldown" : "Adam Russell",
+               "name" : "Adam Russell",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ali Moradi",
+               "name" : "Ali Moradi",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Andreas Mahnke",
+               "name" : "Andreas Mahnke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Andrew Shitov",
+               "name" : "Andrew Shitov",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
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+               "name" : "David Ferrone",
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+               "name" : "E. Choroba",
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+               "name" : "Feng Chang",
+               "y" : 2
+            },
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+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
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+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 12
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Packy Anderson",
+               "name" : "Packy Anderson",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Robbie Hatley",
+               "name" : "Robbie Hatley",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Robert Ransbottom",
+               "name" : "Robert Ransbottom",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Simon Green",
+               "name" : "Simon Green",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc",
+               "y" : 2
+            }
+         ],
+         "name" : "The Weekly Challenge - 321"
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 29] Last updated at 2025-05-20 08:21:08 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 321"
+   },
+   "tooltip" : {
+      "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/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 0a929d5da5..99549fae02 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -7,44 +7,6 @@
          {
             "data" : [
                [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "id" : "Adam Russell",
-            "name" : "Adam Russell"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Ali Moradi",
-            "name" : "Ali Moradi"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Andreas Mahnke",
-            "name" : "Andreas Mahnke"
-         },
-         {
-            "data" : [
-               [
                   "Raku",
                   2
                ]
@@ -55,72 +17,6 @@
          {
             "data" : [
                [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Athanasius",
-            "name" : "Athanasius"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "BarrOff",
-            "name" : "BarrOff"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Bob Lied",
-            "name" : "Bob Lied"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
-         },
-         {
-            "data" : [
-               [
                   "Perl",
                   2
                ]
@@ -151,38 +47,6 @@
          {
             "data" : [
                [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Jaldhar H. Vyas",
-            "name" : "Jaldhar H. Vyas"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey"
-         },
-         {
-            "data" : [
-               [
                   "Raku",
                   2
                ],
@@ -209,20 +73,6 @@
                [
                   "Perl",
                   2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Matthias Muth",
-            "name" : "Matthias Muth"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
                ]
             ],
             "id" : "Niels van Dijke",
@@ -237,118 +87,6 @@
                [
                   "Raku",
                   2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Packy Anderson",
-            "name" : "Packy Anderson"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Peter Meszaros",
-            "name" : "Peter Meszaros"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Robbie Hatley",
-            "name" : "Robbie Hatley"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Robert Ransbottom",
-            "name" : "Robert Ransbottom"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Simon Green",
-            "name" : "Simon Green"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "id" : "Thomas Kohler",
-            "name" : "Thomas Kohler"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
                ]
             ],
             "id" : "Ulrich Rieke",
@@ -367,16 +105,6 @@
             ],
             "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc"
          }
       ]
    },
@@ -397,51 +125,11 @@
          "colorByPoint" : 1,
          "data" : [
             {
-               "drilldown" : "Adam Russell",
-               "name" : "Adam Russell",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Ali Moradi",
-               "name" : "Ali Moradi",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Andreas Mahnke",
-               "name" : "Andreas Mahnke",
-               "y" : 2
-            },
-            {
                "drilldown" : "Andrew Shitov",
                "name" : "Andrew Shitov",
                "y" : 2
             },
             {
-               "drilldown" : "Arne Sommer",
-               "name" : "Arne Sommer",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Athanasius",
-               "name" : "Athanasius",
-               "y" : 4
-            },
-            {
-               "drilldown" : "BarrOff",
-               "name" : "BarrOff",
-               "y" : 2
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-            {
-               "drilldown" : "Bob Lied",
-               "name" : "Bob Lied",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
                "drilldown" : "David Ferrone",
                "name" : "David Ferrone",
                "y" : 2
@@ -457,16 +145,6 @@
                "y" : 2
             },
             {
-               "drilldown" : "Jaldhar H. Vyas",
-               "name" : "Jaldhar H. Vyas",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey",
-               "y" : 3
-            },
-            {
                "drilldown" : "Luca Ferrari",
                "name" : "Luca Ferrari",
                "y" : 12
@@ -477,56 +155,11 @@
                "y" : 2
             },
             {
-               "drilldown" : "Matthias Muth",
-               "name" : "Matthias Muth",
-               "y" : 3
-            },
-            {
                "drilldown" : "Niels van Dijke",
                "name" : "Niels van Dijke",
                "y" : 2
             },
             {
-               "drilldown" : "Packy Anderson",
-               "name" : "Packy Anderson",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Robbie Hatley",
-               "name" : "Robbie Hatley",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Robert Ransbottom",
-               "name" : "Robert Ransbottom",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Simon Green",
-               "name" : "Simon Green",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Thomas Kohler",
-               "name" : "Thomas Kohler",
-               "y" : 4
-            },
-            {
                "drilldown" : "Ulrich Rieke",
                "name" : "Ulrich Rieke",
                "y" : 4
@@ -535,21 +168,16 @@
                "drilldown" : "W. Luis Mochan",
                "name" : "W. Luis Mochan",
                "y" : 3
-            },
-            {
-               "drilldown" : "Wanderdoc",
-               "name" : "Wanderdoc",
-               "y" : 2
             }
          ],</