- Added solutions by Lubos Kolouch.

24 files changed, 3978 insertions, 3862 deletions

diff --git a/stats/pwc-challenge-270.json b/stats/pwc-challenge-270.json
index 0286306fee..566e8ba462 100644
--- a/stats/pwc-challenge-270.json
+++ b/stats/pwc-challenge-270.json
@@ -1,208 +1,27 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : 0
    },
-   "xAxis" : {
-      "type" : "category"
+   "title" : {
+      "text" : "The Weekly Challenge - 270"
    },
    "subtitle" : {
-      "text" : "[Champions: 32] Last updated at 2024-08-30 19:41:16 GMT"
+      "text" : "[Champions: 33] Last updated at 2024-09-16 12:30:14 GMT"
    },
-   "tooltip" : {
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   "xAxis" : {
+      "type" : "category"
    },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 270",
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "y" : 3,
-               "name" : "Arne Sommer",
-               "drilldown" : "Arne Sommer"
-            },
-            {
-               "y" : 4,
-               "name" : "Athanasius",
-               "drilldown" : "Athanasius"
-            },
-            {
-               "drilldown" : "BarrOff",
-               "y" : 1,
-               "name" : "BarrOff"
-            },
-            {
-               "drilldown" : "Bob Lied",
-               "name" : "Bob Lied",
-               "y" : 2
-            },
-            {
-               "name" : "Bruce Gray",
-               "y" : 2,
-               "drilldown" : "Bruce Gray"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "y" : 3,
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "drilldown" : "David Ferrone",
-               "name" : "David Ferrone",
-               "y" : 1
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Feng Chang",
-               "name" : "Feng Chang",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Jaldhar H. Vyas",
-               "name" : "Jaldhar H. Vyas",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek",
-               "y" : 1
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "y" : 4,
-               "name" : "Jorg Sommrey"
-            },
-            {
-               "name" : "Lance Wicks",
-               "y" : 1,
-               "drilldown" : "Lance Wicks"
-            },
-            {
-               "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld",
-               "y" : 3
-            },
-            {
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-               "y" : 12,
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "y" : 1,
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "name" : "Matthew Neleigh",
-               "y" : 1,
-               "drilldown" : "Matthew Neleigh"
-            },
-            {
-               "name" : "Matthias Muth",
-               "y" : 3,
-               "drilldown" : "Matthias Muth"
-            },
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-               "drilldown" : "Nelo Tovar",
-               "y" : 2,
-               "name" : "Nelo Tovar"
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "y" : 2,
-               "name" : "Niels van Dijke"
-            },
-            {
-               "drilldown" : "Packy Anderson",
-               "name" : "Packy Anderson",
-               "y" : 5
-            },
-            {
-               "y" : 2,
-               "name" : "Paulo Custodio",
-               "drilldown" : "Paulo Custodio"
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Reinier Maliepaard",
-               "y" : 4,
-               "name" : "Reinier Maliepaard"
-            },
-            {
-               "drilldown" : "Robbie Hatley",
-               "y" : 2,
-               "name" : "Robbie Hatley"
-            },
-            {
-               "drilldown" : "Robert Ransbottom",
-               "y" : 2,
-               "name" : "Robert Ransbottom"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 5,
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "drilldown" : "Simon Green",
-               "y" : 3,
-               "name" : "Simon Green"
-            },
-            {
-               "name" : "Thomas Kohler",
-               "y" : 4,
-               "drilldown" : "Thomas Kohler"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 4,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ]
-      }
-   ],
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
    },
-   "legend" : {
-      "enabled" : 0
+   "chart" : {
+      "type" : "column"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -212,9 +31,13 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
          },
          {
+            "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -224,23 +47,21 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Athanasius",
-            "id" : "Athanasius"
+            ]
          },
          {
-            "name" : "BarrOff",
-            "id" : "BarrOff",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "BarrOff",
+            "id" : "BarrOff"
          },
          {
-            "name" : "Bob Lied",
             "id" : "Bob Lied",
+            "name" : "Bob Lied",
             "data" : [
                [
                   "Perl",
@@ -249,14 +70,14 @@
             ]
          },
          {
-            "name" : "Bruce Gray",
-            "id" : "Bruce Gray",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Bruce Gray",
+            "id" : "Bruce Gray"
          },
          {
             "data" : [
@@ -269,20 +90,22 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby"
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
-            "name" : "David Ferrone",
-            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
          },
          {
+            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
@@ -292,9 +115,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "E. Choroba",
-            "id" : "E. Choroba"
+            ]
          },
          {
             "name" : "Feng Chang",
@@ -307,6 +128,8 @@
             ]
          },
          {
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -320,13 +143,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Jaldhar H. Vyas",
-            "id" : "Jaldhar H. Vyas"
+            ]
          },
          {
-            "id" : "Jan Krnavek",
             "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
@@ -349,18 +170,16 @@
             "name" : "Jorg Sommrey"
          },
          {
-            "name" : "Lance Wicks",
-            "id" : "Lance Wicks",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Lance Wicks",
+            "id" : "Lance Wicks"
          },
          {
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -374,6 +193,18 @@
                   "Blog",
                   1
                ]
+            ],
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
+         },
+         {
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
             ]
          },
          {
@@ -387,18 +218,18 @@
                   10
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            ]
          },
          {
             "name" : "Matthew Neleigh",
@@ -425,26 +256,28 @@
             "id" : "Matthias Muth"
          },
          {
+            "name" : "Nelo Tovar",
+            "id" : "Nelo Tovar",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Nelo Tovar",
-            "id" : "Nelo Tovar"
+            ]
          },
          {
-            "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
          },
          {
+            "name" : "Packy Anderson",
+            "id" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -458,13 +291,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Packy Anderson",
-            "name" : "Packy Anderson"
+            ]
          },
          {
-            "name" : "Paulo Custodio",
             "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
@@ -473,6 +304,8 @@
             ]
          },
          {
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -482,23 +315,19 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith"
+            ]
          },
          {
-            "id" : "Peter Meszaros",
-            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
          },
          {
-            "name" : "Reinier Maliepaard",
-            "id" : "Reinier Maliepaard",
             "data" : [
                [
                   "Perl",
@@ -508,7 +337,9 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Reinier Maliepaard",
+            "id" : "Reinier Maliepaard"
          },
          {
             "id" : "Robbie Hatley",
@@ -531,8 +362,8 @@
                   2
                ]
             ],
-            "id" : "Robert Ransbottom",
-            "name" : "Robert Ransbottom"
+            "name" : "Robert Ransbottom",
+            "id" : "Robert Ransbottom"
          },
          {
             "id" : "Roger Bell_West",
@@ -553,8 +384,6 @@
             ]
          },
          {
-            "id" : "Simon Green",
-            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -564,7 +393,9 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Simon Green",
+            "name" : "Simon Green"
          },
          {
             "data" : [
@@ -581,6 +412,8 @@
             "name" : "Thomas Kohler"
          },
          {
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -590,9 +423,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            ]
          },
          {
             "id" : "W. Luis Mochan",
@@ -610,7 +441,191 @@
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 270"
+   "series" : [
+      {
+         "data" : [
+            {
+               "drilldown" : "Arne Sommer",
+               "y" : 3,
+               "name" : "Arne Sommer"
+            },
+            {
+               "drilldown" : "Athanasius",
+               "y" : 4,
+               "name" : "Athanasius"
+            },
+            {
+               "name" : "BarrOff",
+               "drilldown" : "BarrOff",
+               "y" : 1
+            },
+            {
+               "name" : "Bob Lied",
+               "drilldown" : "Bob Lied",
+               "y" : 2
+            },
+            {
+               "name" : "Bruce Gray",
+               "y" : 2,
+               "drilldown" : "Bruce Gray"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "David Ferrone",
+               "name" : "David Ferrone"
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 3,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Feng Chang",
+               "y" : 2,
+               "drilldown" : "Feng Chang"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek"
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "y" : 4,
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Lance Wicks",
+               "name" : "Lance Wicks"
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "y" : 3,
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "name" : "Lubos Kolouch",
+               "y" : 2,
+               "drilldown" : "Lubos Kolouch"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 12
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
+            },
+            {
+               "name" : "Matthew Neleigh",
+               "drilldown" : "Matthew Neleigh",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "y" : 3,
+               "name" : "Matthias Muth"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Nelo Tovar",
+               "name" : "Nelo Tovar"
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "y" : 2,
+               "name" : "Niels van Dijke"
+            },
+            {
+               "name" : "Packy Anderson",
+               "drilldown" : "Packy Anderson",
+               "y" : 5
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Paulo Custodio",
+               "name" : "Paulo Custodio"
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "name" : "Peter Meszaros",
+               "y" : 2,
+               "drilldown" : "Peter Meszaros"
+            },
+            {
+               "drilldown" : "Reinier Maliepaard",
+               "y" : 4,
+               "name" : "Reinier Maliepaard"
+            },
+            {
+               "name" : "Robbie Hatley",
+               "y" : 2,
+               "drilldown" : "Robbie Hatley"
+            },
+            {
+               "name" : "Robert Ransbottom",
+               "y" : 2,
+               "drilldown" : "Robert Ransbottom"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Simon Green",
+               "name" : "Simon Green"
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "y" : 4,
+               "name" : "Thomas Kohler"
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "name" : "The Weekly Challenge - 270",
+         "colorByPoint" : 1
+      }
+   ],
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "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
    }
 }
diff --git a/stats/pwc-challenge-286.json b/stats/pwc-challenge-286.json
new file mode 100644
index 0000000000..86e9fa22bc
--- /dev/null
+++ b/stats/pwc-challenge-286.json
@@ -0,0 +1,695 @@
+{
+   "drilldown" : {
+      "series" : [
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Alexander Karelas",
+            "name" : "Alexander Karelas"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Ali Moradi",
+            "id" : "Ali Moradi"
+         },
+         {
+            "data" : [
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Andrew Schneider",
+            "name" : "Andrew Schneider"
+         },
+         {
+            "name" : "Arne Sommer",
+            "id" : "Arne Sommer",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Asher Harvey-Smith",
+            "name" : "Asher Harvey-Smith"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "name" : "BarrOff",
+            "id" : "BarrOff"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Bob Lied",
+            "name" : "Bob Lied"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung"
+         },
+         {
+            "id" : "David Ferrone",
+            "name" : "David Ferrone",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "id" : "E. Choroba",
+            "name" : "E. Choroba",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Feng Chang",
+            "name" : "Feng Chang",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
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