- Added blog post by Roger Bell_West.

- Added solutions by Nelo Tovar.
- Added solutions by Paulo Custodio.
- Added solutions by Jan Krnavek.
- Added solutions by Matthew Neleigh.

24 files changed, 2940 insertions, 2876 deletions

diff --git a/stats/pwc-challenge-248.json b/stats/pwc-challenge-248.json
index ea1ab76cde..c7162bd84a 100644
--- a/stats/pwc-challenge-248.json
+++ b/stats/pwc-challenge-248.json
@@ -7,8 +7,6 @@
    "drilldown" : {
       "series" : [
          {
-            "name" : "Ali Moradi",
-            "id" : "Ali Moradi",
             "data" : [
                [
                   "Perl",
@@ -22,7 +20,9 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Ali Moradi",
+            "id" : "Ali Moradi"
          },
          {
             "id" : "Arne Sommer",
@@ -39,7 +39,6 @@
             ]
          },
          {
-            "id" : "Athanasius",
             "name" : "Athanasius",
             "data" : [
                [
@@ -50,9 +49,11 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Athanasius"
          },
          {
+            "id" : "BarrOff",
             "data" : [
                [
                   "Perl",
@@ -63,12 +64,11 @@
                   1
                ]
             ],
-            "name" : "BarrOff",
-            "id" : "BarrOff"
+            "name" : "BarrOff"
          },
          {
-            "name" : "Bob Lied",
             "id" : "Bob Lied",
+            "name" : "Bob Lied",
             "data" : [
                [
                   "Perl",
@@ -77,18 +77,18 @@
             ]
          },
          {
+            "id" : "Bruce Gray",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Bruce Gray",
-            "id" : "Bruce Gray"
+            "name" : "Bruce Gray"
          },
          {
-            "name" : "Cheok-Yin Fung",
             "id" : "Cheok-Yin Fung",
+            "name" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
@@ -97,6 +97,7 @@
             ]
          },
          {
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -107,38 +108,37 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            "id" : "Dave Jacoby"
          },
          {
+            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "David Ferrone",
-            "id" : "David Ferrone"
+            "name" : "David Ferrone"
          },
          {
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            "id" : "E. Choroba"
          },
          {
-            "id" : "Feng Chang",
             "name" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Feng Chang"
          },
          {
             "data" : [
@@ -155,32 +155,32 @@
                   1
                ]
             ],
-            "id" : "Jaldhar H. Vyas",
-            "name" : "Jaldhar H. Vyas"
+            "name" : "Jaldhar H. Vyas",
+            "id" : "Jaldhar H. Vyas"
          },
          {
-            "id" : "Jan Krnavek",
-            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek"
          },
          {
+            "name" : "Joelle Maslak",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Joelle Maslak",
             "id" : "Joelle Maslak"
          },
          {
-            "name" : "Jorg Sommrey",
             "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
@@ -193,18 +193,16 @@
             ]
          },
          {
-            "name" : "Kjetil Skotheim",
-            "id" : "Kjetil Skotheim",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Kjetil Skotheim",
+            "id" : "Kjetil Skotheim"
          },
          {
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -218,7 +216,9 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
          },
          {
             "id" : "Lubos Kolouch",
@@ -259,8 +259,8 @@
                   2
                ]
             ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson"
          },
          {
             "id" : "Matthew Neleigh",
@@ -273,28 +273,26 @@
             ]
          },
          {
+            "id" : "Nelo Tovar",
+            "name" : "Nelo Tovar",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Nelo Tovar",
-            "id" : "Nelo Tovar"
+            ]
          },
          {
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke"
+            "name" : "Niels van Dijke"
          },
          {
-            "name" : "Packy Anderson",
-            "id" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -308,16 +306,18 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Packy Anderson",
+            "id" : "Packy Anderson"
          },
          {
+            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
-                  1
+                  2
                ]
             ],
-            "id" : "Paulo Custodio",
             "name" : "Paulo Custodio"
          },
          {
@@ -331,22 +331,22 @@
                   1
                ]
             ],
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith"
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith"
          },
          {
+            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Peter Meszaros",
-            "name" : "Peter Meszaros"
+            "id" : "Peter Meszaros"
          },
          {
-            "name" : "Robbie Hatley",
             "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -359,16 +359,18 @@
             ]
          },
          {
-            "id" : "Robert Ransbottom",
             "name" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Robert Ransbottom"
          },
          {
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -382,12 +384,9 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            ]
          },
          {
-            "id" : "Simon Green",
             "name" : "Simon Green",
             "data" : [
                [
@@ -398,7 +397,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Simon Green"
          },
          {
             "id" : "Stephen G. Lynn",
@@ -415,6 +415,7 @@
             ]
          },
          {
+            "id" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -425,10 +426,11 @@
                   2
                ]
             ],
-            "name" : "Thomas Kohler",
-            "id" : "Thomas Kohler"
+            "name" : "Thomas Kohler"
          },
          {
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -438,11 +440,10 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            ]
          },
          {
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -453,26 +454,43 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "The Weekly Challenge - 248"
+   },
+   "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
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
    },
    "series" : [
       {
+         "name" : "The Weekly Challenge - 248",
          "data" : [
             {
-               "y" : 5,
                "drilldown" : "Ali Moradi",
-               "name" : "Ali Moradi"
+               "name" : "Ali Moradi",
+               "y" : 5
             },
             {
-               "name" : "Arne Sommer",
                "drilldown" : "Arne Sommer",
-               "y" : 3
+               "y" : 3,
+               "name" : "Arne Sommer"
             },
             {
                "drilldown" : "Athanasius",
@@ -481,8 +499,8 @@
             },
             {
                "name" : "BarrOff",
-               "drilldown" : "BarrOff",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "BarrOff"
             },
             {
                "drilldown" : "Bob Lied",
@@ -495,29 +513,29 @@
                "drilldown" : "Bruce Gray"
             },
             {
-               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung",
                "y" : 2,
-               "name" : "Cheok-Yin Fung"
+               "drilldown" : "Cheok-Yin Fung"
             },
             {
+               "y" : 3,
                "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby",
-               "y" : 3
+               "drilldown" : "Dave Jacoby"
             },
             {
-               "y" : 2,
                "drilldown" : "David Ferrone",
+               "y" : 2,
                "name" : "David Ferrone"
             },
             {
-               "drilldown" : "E. Choroba",
                "y" : 2,
-               "name" : "E. Choroba"
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba"
             },
             {
-               "drilldown" : "Feng Chang",
                "y" : 2,
-               "name" : "Feng Chang"
+               "name" : "Feng Chang",
+               "drilldown" : "Feng Chang"
             },
             {
                "drilldown" : "Jaldhar H. Vyas",
@@ -525,9 +543,9 @@
                "name" : "Jaldhar H. Vyas"
             },
             {
+               "name" : "Jan Krnavek",
                "y" : 2,
-               "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek"
+               "drilldown" : "Jan Krnavek"
             },
             {
                "drilldown" : "Joelle Maslak",
@@ -535,29 +553,29 @@
                "name" : "Joelle Maslak"
             },
             {
-               "name" : "Jorg Sommrey",
                "y" : 3,
+               "name" : "Jorg Sommrey",
                "drilldown" : "Jorg Sommrey"
             },
             {
                "drilldown" : "Kjetil Skotheim",
-               "y" : 2,
-               "name" : "Kjetil Skotheim"
+               "name" : "Kjetil Skotheim",
+               "y" : 2
             },
             {
-               "y" : 6,
                "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld"
+               "name" : "Laurent Rosenfeld",
+               "y" : 6
             },
             {
-               "drilldown" : "Lubos Kolouch",
                "y" : 5,
-               "name" : "Lubos Kolouch"
+               "name" : "Lubos Kolouch",
+               "drilldown" : "Lubos Kolouch"
             },
             {
+               "name" : "Luca Ferrari",
                "y" : 10,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
+               "drilldown" : "Luca Ferrari"
             },
             {
                "name" : "Mark Anderson",
@@ -565,109 +583,91 @@
                "drilldown" : "Mark Anderson"
             },
             {
-               "name" : "Matthew Neleigh",
                "y" : 2,
+               "name" : "Matthew Neleigh",
                "drilldown" : "Matthew Neleigh"
             },
             {
-               "name" : "Nelo Tovar",
                "drilldown" : "Nelo Tovar",
-               "y" : 2
+               "y" : 2,
+               "name" : "Nelo Tovar"
             },
             {
-               "drilldown" : "Niels van Dijke",
                "y" : 2,
-               "name" : "Niels van Dijke"
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke"
             },
             {
-               "name" : "Packy Anderson",
                "y" : 5,
+               "name" : "Packy Anderson",
                "drilldown" : "Packy Anderson"
             },
             {
+               "drilldown" : "Paulo Custodio",
                "name" : "Paulo Custodio",
-               "y" : 1,
-               "drilldown" : "Paulo Custodio"
+               "y" : 2
             },
             {
                "y" : 3,
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith"
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith"
             },
             {
+               "drilldown" : "Peter Meszaros",
                "name" : "Peter Meszaros",
-               "y" : 2,
-               "drilldown" : "Peter Meszaros"
+               "y" : 2
             },
             {
-               "y" : 3,
                "drilldown" : "Robbie Hatley",
-               "name" : "Robbie Hatley"
+               "name" : "Robbie Hatley",
+               "y" : 3
             },
             {
-               "y" : 2,
                "drilldown" : "Robert Ransbottom",
-               "name" : "Robert Ransbottom"
+               "name" : "Robert Ransbottom",
+               "y" : 2
             },
             {
-               "name" : "Roger Bell_West",
                "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
                "y" : 5
             },
             {
+               "name" : "Simon Green",
                "y" : 3,
-               "drilldown" : "Simon Green",
-               "name" : "Simon Green"
+               "drilldown" : "Simon Green"
             },
             {
-               "drilldown" : "Stephen G. Lynn",
+               "name" : "Stephen G. Lynn",
                "y" : 3,
-               "name" : "Stephen G. Lynn"
+               "drilldown" : "Stephen G. Lynn"
             },
             {
                "name" : "Thomas Kohler",
-               "drilldown" : "Thomas Kohler",
-               "y" : 4
+               "y" : 4,
+               "drilldown" : "Thomas Kohler"
             },
             {
+               "drilldown" : "Ulrich Rieke",
                "name" : "Ulrich Rieke",
-               "y" : 4,
-               "drilldown" : "Ulrich Rieke"
+               "y" : 4
             },
             {
-               "drilldown" : "W. Luis Mochan",
                "y" : 3,
-               "name" : "W. Luis Mochan"
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan"
             }
          ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 248"
+         "colorByPoint" : 1
       }
    ],
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 35] Last updated at 2024-08-25 09:17:02 GMT"
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 248"
+   "legend" : {
+      "enabled" : 0
    },
    "xAxis" : {
       "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "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/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 35] Last updated at 2024-07-29 17:29:09 GMT"
    }
 }
diff --git a/stats/pwc-challenge-253.json b/stats/pwc-challenge-253.json
index d40ba29a40..9c15f24c90 100644
--- a/stats/pwc-challenge-253.json
+++ b/stats/pwc-challenge-253.json
@@ -1,7 +1,4 @@
 {
-   "legend" : {
-      "enabled" : 0
-   },
    "drilldown" : {
       "series" : [
          {
@@ -19,6 +16,8 @@
             "id" : "Ali Moradi"
          },
          {
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -28,9 +27,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
+            ]
          },
          {
             "data" : [
@@ -47,6 +44,7 @@
             "id" : "Athanasius"
          },
          {
+            "id" : "BarrOff",
             "data" : [
                [
                   "Perl",
@@ -57,8 +55,7 @@
                   1
                ]
             ],
-            "name" : "BarrOff",
-            "id" : "BarrOff"
+            "name" : "BarrOff"
          },
          {
             "data" : [
@@ -71,28 +68,27 @@
             "id" : "Bob Lied"
          },
          {
-            "id" : "Bruce Gray",
             "name" : "Bruce Gray",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Bruce Gray"
          },
          {
+            "id" : "Cheok-Yin Fung",
+            "name" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Cheok-Yin Fung",
-            "name" : "Cheok-Yin Fung"
+            ]
          },
          {
             "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -102,7 +98,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby"
          },
          {
             "data" : [
@@ -111,28 +108,28 @@
                   2
                ]
             ],
-            "id" : "David Ferrone",
-            "name" : "David Ferrone"
+            "name" : "David Ferrone",
+            "id" : "David Ferrone"
          },
          {
+            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            ]
          },
          {
+            "name" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Feng Chang",
-            "name" : "Feng Chang"
+            "id" : "Feng Chang"
          },
          {
             "data" : [
@@ -141,12 +138,10 @@
                   2
                ]
             ],
-            "id" : "Humberto Massa",
-            "name" : "Humberto Massa"
+            "name" : "Humberto Massa",
+            "id" : "Humberto Massa"
          },
          {
-            "name" : "Jaldhar H. Vyas",
-            "id" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -160,21 +155,21 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Jaldhar H. Vyas",
+            "id" : "Jaldhar H. Vyas"
          },
          {
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Jan Krnavek",
-            "id" : "Jan Krnavek"
+            ]
          },
          {
-            "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
@@ -184,7 +179,9 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey"
          },
          {
             "data" : [
@@ -201,8 +198,8 @@
                   2
                ]
             ],
-            "id" : "Laurent Rosenfeld",
-            "name" : "Laurent Rosenfeld"
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
          },
          {
             "data" : [
@@ -219,8 +216,6 @@
             "id" : "Lubos Kolouch"
          },
          {
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -230,7 +225,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
          },
          {
             "data" : [
@@ -239,62 +236,61 @@
                   2
                ]
             ],
-            "id" : "Mariano Spadaccini",
-            "name" : "Mariano Spadaccini"
+            "name" : "Mariano Spadaccini",
+            "id" : "Mariano Spadaccini"
          },
          {
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            "id" : "Mark Anderson"
          },
          {
+            "id" : "Matthew Neleigh",
+            "name" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Matthew Neleigh",
-            "name" : "Matthew Neleigh"
+            ]
          },
          {
-            "id" : "Mustafa Aydin",
-            "name" : "Mustafa Aydin",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mustafa Aydin",
+            "id" : "Mustafa Aydin"
          },
          {
             "id" : "Nelo Tovar",
-            "name" : "Nelo Tovar",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Nelo Tovar"
          },
          {
+            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke"
          },
          {
             "name" : "Packy Anderson",
-            "id" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -308,6 +304,17 @@
                   "Blog",
                   1
                ]
+            ],
+            "id" : "Packy Anderson"
+         },
+         {
+            "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
             ]
          },
          {
@@ -321