- Added solutions by Feng Chang.

- Added solutions by Robbie Hatley.

25 files changed, 3152 insertions, 3107 deletions

diff --git a/stats/pwc-challenge-306.json b/stats/pwc-challenge-306.json
index 698f900a82..6b5dd1c6e0 100644
--- a/stats/pwc-challenge-306.json
+++ b/stats/pwc-challenge-306.json
@@ -1,33 +1,15 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 24] Last updated at 2025-02-07 13:20:05 GMT"
+   "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/>"
+   "legend" : {
+      "enabled" : 0
    },
    "title" : {
       "text" : "The Weekly Challenge - 306"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 306",
          "data" : [
             {
                "name" : "Andreas Mahnke",
@@ -35,9 +17,9 @@
                "y" : 2
             },
             {
+               "y" : 3,
                "name" : "Arne Sommer",
-               "drilldown" : "Arne Sommer",
-               "y" : 3
+               "drilldown" : "Arne Sommer"
             },
             {
                "drilldown" : "Athanasius",
@@ -45,19 +27,19 @@
                "y" : 4
             },
             {
+               "y" : 1,
                "drilldown" : "BarrOff",
-               "name" : "BarrOff",
-               "y" : 1
+               "name" : "BarrOff"
             },
             {
                "y" : 2,
-               "drilldown" : "Bob Lied",
-               "name" : "Bob Lied"
+               "name" : "Bob Lied",
+               "drilldown" : "Bob Lied"
             },
             {
-               "y" : 2,
+               "drilldown" : "Dave Jacoby",
                "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
+               "y" : 2
             },
             {
                "drilldown" : "David Ferrone",
@@ -66,28 +48,33 @@
             },
             {
                "y" : 2,
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba"
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Feng Chang",
+               "name" : "Feng Chang"
             },
             {
                "y" : 5,
-               "name" : "Jaldhar H. Vyas",
-               "drilldown" : "Jaldhar H. Vyas"
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas"
             },
             {
-               "y" : 1,
+               "name" : "Jan Krnavek",
                "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek"
+               "y" : 1
             },
             {
-               "y" : 3,
                "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey"
+               "name" : "Jorg Sommrey",
+               "y" : 3
             },
             {
                "y" : 2,
-               "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch"
+               "name" : "Lubos Kolouch",
+               "drilldown" : "Lubos Kolouch"
             },
             {
                "y" : 2,
@@ -100,19 +87,19 @@
                "name" : "Niels van Dijke"
             },
             {
-               "y" : 3,
                "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith"
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3
             },
             {
                "y" : 2,
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros"
+               "name" : "Peter Meszaros",
+               "drilldown" : "Peter Meszaros"
             },
             {
-               "y" : 3,
+               "drilldown" : "Robbie Hatley",
                "name" : "Robbie Hatley",
-               "drilldown" : "Robbie Hatley"
+               "y" : 3
             },
             {
                "y" : 2,
@@ -120,19 +107,19 @@
                "drilldown" : "Robert Ransbottom"
             },
             {
+               "y" : 5,
                "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 5
+               "drilldown" : "Roger Bell_West"
             },
             {
-               "y" : 3,
+               "name" : "Simon Green",
                "drilldown" : "Simon Green",
-               "name" : "Simon Green"
+               "y" : 3
             },
             {
                "y" : 4,
-               "drilldown" : "Thomas Kohler",
-               "name" : "Thomas Kohler"
+               "name" : "Thomas Kohler",
+               "drilldown" : "Thomas Kohler"
             },
             {
                "name" : "Ulrich Rieke",
@@ -141,39 +128,48 @@
             },
             {
                "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
             },
             {
                "name" : "Wanderdoc",
                "drilldown" : "Wanderdoc",
                "y" : 1
             }
-         ]
+         ],
+         "name" : "The Weekly Challenge - 306",
+         "colorByPoint" : 1
       }
    ],
    "chart" : {
       "type" : "column"
    },
-   "xAxis" : {
-      "type" : "category"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
    },
-   "legend" : {
-      "enabled" : 0
+   "subtitle" : {
+      "text" : "[Champions: 25] Last updated at 2025-02-13 09:18:17 GMT"
    },
    "drilldown" : {
       "series" : [
          {
             "id" : "Andreas Mahnke",
-            "name" : "Andreas Mahnke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Andreas Mahnke"
          },
          {
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -184,10 +180,11 @@
                   1
                ]
             ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
+            "id" : "Arne Sommer"
          },
          {
+            "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -197,13 +194,11 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Athanasius",
-            "id" : "Athanasius"
+            ]
          },
          {
-            "id" : "BarrOff",
             "name" : "BarrOff",
+            "id" : "BarrOff",
             "data" : [
                [
                   "Raku",
@@ -213,17 +208,17 @@
          },
          {
             "id" : "Bob Lied",
-            "name" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Bob Lied"
          },
          {
-            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -238,22 +233,30 @@
                   2
                ]
             ],
-            "name" : "David Ferrone",
-            "id" : "David Ferrone"
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
          },
          {
             "id" : "E. Choroba",
-            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "E. Choroba"
+         },
+         {
+            "name" : "Feng Chang",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Feng Chang"
          },
          {
-            "name" : "Jaldhar H. Vyas",
-            "id" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -267,19 +270,23 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
          },
          {
+            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "name" : "Jan Krnavek",
-            "id" : "Jan Krnavek"
+            ]
          },
          {
+            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
@@ -289,42 +296,39 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey"
+            ]
          },
          {
             "name" : "Lubos Kolouch",
-            "id" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Lubos Kolouch"
          },
          {
             "id" : "Mark Anderson",
-            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mark Anderson"
          },
          {
             "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Niels van Dijke"
          },
          {
-            "name" : "Peter Campbell Smith",
             "id" : "Peter Campbell Smith",
             "data" : [
                [
@@ -335,21 +339,21 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Peter Campbell Smith"
          },
          {
-            "id" : "Peter Meszaros",
             "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Peter Meszaros"
          },
          {
             "name" : "Robbie Hatley",
-            "id" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -359,21 +363,21 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Robbie Hatley"
          },
          {
+            "name" : "Robert Ransbottom",
+            "id" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Robert Ransbottom",
-            "id" : "Robert Ransbottom"
+            ]
          },
          {
             "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -387,11 +391,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West"
          },
          {
             "name" : "Simon Green",
-            "id" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -401,9 +405,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Simon Green"
          },
          {
+            "id" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -414,7 +420,6 @@
                   2
                ]
             ],
-            "id" : "Thomas Kohler",
             "name" : "Thomas Kohler"
          },
          {
@@ -428,12 +433,10 @@
                   2
                ]
             ],
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
          },
          {
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -443,18 +446,30 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
          },
          {
-            "id" : "Wanderdoc",
             "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Wanderdoc"
          }
       ]
+   },
+   "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/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    }
 }
diff --git a/stats/pwc-challenge-307.json b/stats/pwc-challenge-307.json
index ce4bd5bb0f..29ad435df0 100644
--- a/stats/pwc-challenge-307.json
+++ b/stats/pwc-challenge-307.json
@@ -1,4 +1,169 @@
 {
+   "title" : {
+      "text" : "The Weekly Challenge - 307"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 307",
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "name" : "Ali Moradi",
+               "drilldown" : "Ali Moradi",
+               "y" : 3
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Andreas Mahnke",
+               "name" : "Andreas Mahnke"
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "y" : 2,
+               "name" : "BarrOff",
+               "drilldown" : "BarrOff"
+            },
+            {
+               "name" : "Bob Lied",
+               "drilldown" : "Bob Lied",
+               "y" : 2
+            },
+            {
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "David Ferrone",
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Feng Chang",
+               "drilldown" : "Feng Chang"
+            },
+            {
+               "name" : "Jaldhar H. Vyas",
+               "drilldown" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "name" : "Jan Krnavek",
+               "drilldown" : "Jan Krnavek",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "y" : 2,
+               "name" : "Lubos Kolouch",
+               "drilldown" : "Lubos Kolouch"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
+            },
+            {
+               "y" : 3,
+               "name" : "Matthias Muth",
+               "drilldown" : "Matthias Muth"
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "name" : "Robbie Hatley",
+               "drilldown" : "Robbie Hatley",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Robert Ransbottom",
+               "name" : "Robert Ransbottom",
+               "y" : 2
+            },
+            {
+               "y" : 5,
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "y" : 3,
+               "name" : "Simon Green",
+               "drilldown" : "Simon Green"
+            },
+            {
+               "name" : "Steven Wilson",
+               "drilldown" : "Steven Wilson",
+               "y" : 2
+            },
+            {
+               "y" : 4,
+               "name" : "Thomas Kohler",
+               "drilldown" : "Thomas Kohler"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc"
+            }
+         ]
+      }
+   ],
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
@@ -8,10 +173,8 @@
          }
       }
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "subtitle" : {
+      "text" : "[Champions: 27] Last updated at 2025-02-13 09:18:17 GMT"
    },
    "drilldown" : {
       "series" : [
@@ -26,22 +189,20 @@
                   1
                ]
             ],
-            "name" : "Ali Moradi",
-            "id" : "Ali Moradi"
+            "id" : "Ali Moradi",
+            "name" : "Ali Moradi"
          },
          {
             "name" : "Andreas Mahnke",
+            "id" : "Andreas Mahnke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Andreas Mahnke"
+            ]
          },
          {
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -51,10 +212,12 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
          },
          {
-            "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -65,61 +228,70 @@
                   2
                ]
             ],
-            "id" : "Athanasius"
+            "name" : "Athanasius"
          },
          {
-            "name" : "BarrOff",
+            "id" : "BarrOff",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "BarrOff"
+            "name" : "BarrOff"
          },
          {
-            "id" : "Bob Lied",
             "name" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Bob Lied"
          },
          {
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Dave Jacoby"
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
             "name" : "David Ferrone",
+            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "David Ferrone"
+            ]
          },
          {
-            "id" : "E. Choroba",
             "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "E. Choroba"
+         },
+         {
+            "name" : "Feng Chang",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Feng Chang"
          },
          {
             "id" : "Jaldhar H. Vyas",
-            "name" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -133,7 +305,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Jaldhar H. Vyas"
          },
          {
             "id" : "Jan Krnavek",
@@ -146,6 +319,7 @@
             "name" : "Jan Krnavek"
          },
          {
+            "name" : "Jorg Sommrey",
             "id" : "Jorg Sommrey",
             "data" : [
                [
@@ -156,22 +330,21 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Jorg Sommrey"
+            ]
          },
          {
-            "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
          },
          {
-            "id" : "Mark Anderson",
             "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
@@ -180,7 +353,7 @@
             ]
          },
          {
-            "name" : "Matthias Muth",
+            "id" : "Matthias Muth",
             "data" : [
                [
                   "Perl",
@@ -191,7 +364,7 @@
                   1
                ]
             ],
-            "id" : "Matthias Muth"
+            "name" : "Matthias Muth"
          },
          {
             "data" : [
@@ -204,8 +377,8 @@
                   1
                ]
             ],
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith"
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
             "name" : "Peter Meszaros",
@@ -218,6 +391,7 @@
             "id" : "Peter Meszaros"
          },
          {
+            "id" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -228,18 +402,17 @@
                   1
                ]
             ],
-            "name" : "Robbie Hatley",
-            "id" : "Robbie Hatley"
+            "name" : "Robbie Hatley"
          },
          {
             "id" : "Robert Ransbottom",
-            "name" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Robert Ransbottom"
          },
          {
             "name" : "Roger Bell_West",
@@ -275,16 +448,16 @@
          },
          {
             "name" : "Steven Wilson",
+            "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Steven Wilson"
+            ]
          },
          {
-            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -295,9 +468,10 @@
                   2
                ]
             ],
-            "name" : "Thomas Kohler"
+            "id" : "Thomas Kohler"
          },
          {
+            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke",
             "data" : [
                [
@@ -308,12 +482,11 @@