- Added solutions by Lubos Kolouch.

- Added solutions by Adam Russell.
- Added solutions by Robert Ransbottom.
- Added solutions by Simon Green.
- Added blog post by Roger Bell_West.
- Added solutions by Wanderdoc.

1 files changed, 327 insertions, 312 deletions

diff --git a/stats/pwc-challenge-004.json b/stats/pwc-challenge-004.json
index 2066fc164d..ca3a017240 100644
--- a/stats/pwc-challenge-004.json
+++ b/stats/pwc-challenge-004.json
@@ -1,262 +1,15 @@
 {
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-         "text" : "Total Solutions"
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-         "name" : "The Weekly Challenge - 004",
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-               "drilldown" : "Abigail",
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-            {
-               "name" : "Adam Russell",
-               "drilldown" : "Adam Russell",
-               "y" : 3
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-               "drilldown" : "Alicia Bielsa",
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-               "drilldown" : "Sergio Iglesias"
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-               "drilldown" : "Yary Hluchan"
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-   ],
-   "title" : {
-      "text" : "The Weekly Challenge - 004"
-   },
-   "legend" : {
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-   "subtitle" : {
-      "text" : "[Champions: 41] Last updated at 2024-03-16 13:08:29 GMT"
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-            "name" : "Abigail",
             "data" : [
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                   "Perl",
                   2
                ]
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-            "id" : "Abigail"
+            "id" : "Abigail",
+            "name" : "Abigail"
          },
          {
             "data" : [
@@ -269,32 +22,32 @@
                   1
                ]
             ],
-            "name" : "Adam Russell",
-            "id" : "Adam Russell"
+            "id" : "Adam Russell",
+            "name" : "Adam Russell"
          },
          {
             "name" : "Alicia Bielsa",
+            "id" : "Alicia Bielsa",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Alicia Bielsa"
+            ]
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                   "Perl",
                   2
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             ],
+            "id" : "Andrezgz",
             "name" : "Andrezgz"
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-            "id" : "Arne Sommer",
             "name" : "Arne Sommer",
+            "id" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -307,8 +60,8 @@
             ]
          },
          {
-            "id" : "Athanasius",
             "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -317,14 +70,14 @@
             ]
          },
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+            "id" : "Daniel Mantovani",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Daniel Mantovani",
-            "id" : "Daniel Mantovani"
+            "name" : "Daniel Mantovani"
          },
          {
             "id" : "David Ferrone",
@@ -337,27 +90,26 @@
             "name" : "David Ferrone"
          },
          {
+            "name" : "Doug Schrag",
             "id" : "Doug Schrag",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Doug Schrag"
+            ]
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          {
-            "name" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Duncan C. White"
+            "id" : "Duncan C. White",
+            "name" : "Duncan C. White"
          },
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-            "name" : "Francis Whittle",
             "data" : [
                [
                   "Raku",
@@ -368,7 +120,8 @@
                   1
                ]
             ],
-            "id" : "Francis Whittle"
+            "id" : "Francis Whittle",
+            "name" : "Francis Whittle"
          },
          {
             "id" : "Gustavo Chaves",
@@ -399,6 +152,8 @@
             "name" : "Jaldhar H. Vyas"
          },
          {
+            "name" : "James Smith",
+            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -408,13 +163,9 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "James Smith",
-            "id" : "James Smith"
+            ]
          },
          {
-            "id" : "Jo Christian Oterhals",
-            "name" : "Jo Christian Oterhals",
             "data" : [
                [
                   "Perl",
@@ -428,10 +179,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Jo Christian Oterhals",
+            "name" : "Jo Christian Oterhals"
          },
          {
-            "id" : "Joelle Maslak",
             "data" : [
                [
                   "Perl",
@@ -442,17 +194,18 @@
                   2
                ]
             ],
+            "id" : "Joelle Maslak",
             "name" : "Joelle Maslak"
          },
          {
-            "id" : "John Barrett",
             "name" : "John Barrett",
             "data" : [
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                   "Perl",
                   2
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+            "id" : "John Barrett"
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             "data" : [
@@ -461,8 +214,8 @@
                   2
                ]
             ],
-            "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey"
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey"
          },
          {
             "id" : "Kian-Meng Ang",
@@ -489,26 +242,28 @@
             "name" : "Kivanc Yazan"
          },
          {
+            "name" : "Lakpa Tashi Bhutia",
             "id" : "Lakpa Tashi Bhutia",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Lakpa Tashi Bhutia"
+            ]
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          {
+            "name" : "Lars Balker",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Lars Balker",
             "id" : "Lars Balker"
          },
          {
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -522,22 +277,19 @@
                   "Blog",
                   2
                ]
-            ],
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld"
+            ]
          },
          {
-            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Lubos Kolouch"
+            "id" : "Lubos Kolouch"
          },
          {
-            "name" : "Mark Senn",
             "data" : [
                [
                   "Raku",
@@ -548,40 +300,40 @@
                   1
                ]
             ],
-            "id" : "Mark Senn"
+            "id" : "Mark Senn",
+            "name" : "Mark Senn"
          },
          {
-            "id" : "Matt Latusek",
             "name" : "Matt Latusek",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Matt Latusek"
          },
          {
-            "name" : "Maxim Kolodyazhny",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Maxim Kolodyazhny"
+            "id" : "Maxim Kolodyazhny",
+            "name" : "Maxim Kolodyazhny"
          },
          {
-            "id" : "Neil Bowers",
             "name" : "Neil Bowers",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Neil Bowers"
          },
          {
-            "id" : "Nick Logan",
             "data" : [
                [
                   "Perl",
@@ -592,27 +344,28 @@
                   2
                ]
             ],
+            "id" : "Nick Logan",
             "name" : "Nick Logan"
          },
          {
             "name" : "Pablo Saavedra",
+            "id" : "Pablo Saavedra",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Pablo Saavedra"
+            ]
          },
          {
-            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Paulo Custodio"
+            "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio"
          },
          {
             "id" : "Robert Gratza",
@@ -625,7 +378,17 @@
             "name" : "Robert Gratza"
          },
          {
-            "id" : "Ruben Westerberg",
+            "name" : "Robert Ransbottom",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Robert Ransbottom"
+         },
+         {
+            "name" : "Ruben Westerberg",
             "data" : [
                [
                   "Perl",
@@ -636,9 +399,10 @@
                   2
                ]
             ],
-            "name" : "Ruben Westerberg"
+            "id" : "Ruben Westerberg"
          },
          {
+            "id" : "Ryan Thompson",
             "data" : [
                [
                   "Perl",
@@ -649,20 +413,20 @@
                   2
                ]
             ],
-            "name" : "Ryan Thompson",
-            "id" : "Ryan Thompson"
+            "name" : "Ryan Thompson"
          },
          {
-            "id" : "Sergio Iglesias",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Sergio Iglesias",
             "name" : "Sergio Iglesias"
          },
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+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
@@ -673,8 +437,7 @@
                   1
                ]
             ],
-            "name" : "Simon Proctor",
-            "id" : "Simon Proctor"
+            "name" : "Simon Proctor"
          },
          {
             "id" : "Stuart Little",
@@ -687,26 +450,27 @@
             "name" : "Stuart Little"
          },
          {
+            "name" : "Tim Smith",
+            "id" : "Tim Smith",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Tim Smith",
-            "id" : "Tim Smith"
+            ]
          },
          {
             "name" : "Veesh Goldman",
+            "id" : "Veesh Goldman",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Veesh Goldman"
+            ]
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+            "id" : "Yary Hluchan",
             "data" : [
                [
                   "Perl",
@@ -717,19 +481,270 @@
                   1
                ]
             ],
-            "name" : "Yary Hluchan",
-            "id" : "Yary Hluchan"
+            "name" : "Yary Hluchan"
          },
          {
-            "id" : "Yet Ebreo",
             "name" : "Yet Ebreo",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Yet Ebreo"
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+         "text" : "Total Solutions"
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+   "xAxis" : {
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+      "text" : "[Champions: 42] Last updated at 2024-03-17 14:19:38 GMT"
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+               "drilldown" : "Abigail",
+               "name" : "Abigail",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Adam Russell",
+               "name" : "Adam Russell",
+               "y" : 3
+            },
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+               "drilldown" : "Alicia Bielsa",
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+            },
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+               "name" : "Arne Sommer"
+            },
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+               "name" : "Athanasius",
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+            },
+            {
+               "drilldown" : "Daniel Mantovani",
+               "name" : "Daniel Mantovani",
+               "y" : 1
+            },
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+               "drilldown" : "David Ferrone",
+               "y" : 2,
+               "name" : "David Ferrone"
+            },
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+               "y" : 2,
+               "name" : "Doug Schrag",
+               "drilldown" : "Doug Schrag"
+            },
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+               "y" : 2,
+               "name" : "Duncan C. White",
+               "drilldown" : "Duncan C. White"
+            },
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+               "name" : "Francis Whittle",
+               "y" : 3,
+               "drilldown" : "Francis Whittle"
+            },
+            {
+               "drilldown" : "Gustavo Chaves",
+               "name" : "Gustavo Chaves",
+               "y" : 3
+            },
+            {
+               "name" : "Jaldhar H. Vyas",
+               "y" : 4,
+               "drilldown" : "Jaldhar H. Vyas"
+            },
+            {
+               "y" : 4,
+               "name" : "James Smith",
+               "drilldown" : "James Smith"
+            },
+            {
+               "y" : 5,
+               "name" : "Jo Christian Oterhals",
+               "drilldown" : "Jo Christian Oterhals"
+            },
+            {
+               "drilldown" : "Joelle Maslak",
+               "y" : 4,
+               "name" : "Joelle Maslak"
+            },
+            {
+               "y" : 2,
+               "name" : "John Barrett",
+               "drilldown" : "John Barrett"
+            },
+            {
+               "name" : "Jorg Sommrey",
+               "y" : 2,
+               "drilldown" : "Jorg Sommrey"
+            },
+            {
+               "drilldown" : "Kian-Meng Ang",
+               "y" : 3,
+               "name" : "Kian-Meng Ang"
+            },
+            {
+               "name" : "Kivanc Yazan",
+               "y" : 1,
+               "drilldown" : "Kivanc Yazan"
+            },
+            {
+               "drilldown" : "Lakpa Tashi Bhutia",
+               "name" : "Lakpa Tashi Bhutia",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Lars Balker",
+               "name" : "Lars Balker",
+               "y" : 2
+            },
+            {
+               "y" : 6,
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "y" : 2,
+               "name" : "Lubos Kolouch",
+               "drilldown" : "Lubos Kolouch"
+            },
+            {
+               "y" : 3,
+               "name" : "Mark Senn",
+               "drilldown" : "Mark Senn"
+            },
+            {
+               "drilldown" : "Matt Latusek",
+               "name" : "Matt Latusek",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Maxim Kolodyazhny",
+               "y" : 2,
+               "name" : "Maxim Kolodyazhny"
+            },
+            {
+               "drilldown" : "Neil Bowers",
+               "name" : "Neil Bowers",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Nick Logan",
+               "y" : 4,
+               "name" : "Nick Logan"
+            },
+            {
+               "drilldown" : "Pablo Saavedra",
+               "name" : "Pablo Saavedra",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Paulo Custodio",
+               "name" : "Paulo Custodio",
+               "y" : 2
+            },
+            {
+               "name" : "Robert Gratza",
+               "y" : 2,
+               "drilldown" : "Robert Gratza"
+            },
+            {
+               "name" : "Robert Ransbottom",
+               "y" : 1,
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