- Added solutions by Flavio Poletti.

14 files changed, 1455 insertions, 1432 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 4d5fa4d5f2..11d5e79d56 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,221 +1,30 @@
 {
-   "chart" : {
-      "type" : "column"
+   "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/>"
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-               "drilldown" : "Abigail",
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-               "drilldown" : "Adam Russell",
-               "name" : "Adam Russell"
-            },
-            {
-               "name" : "Alexander Pankoff",
-               "y" : 2,
-               "drilldown" : "Alexander Pankoff"
-            },
-            {
-               "name" : "Andrew Shitov",
-               "y" : 2,
-               "drilldown" : "Andrew Shitov"
-            },
-            {
-               "name" : "Arne Sommer",
-               "drilldown" : "Arne Sommer",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Athanasius",
-               "y" : 4,
-               "name" : "Athanasius"
-            },
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-               "drilldown" : "Cheok-Yin Fung",
-               "name" : "Cheok-Yin Fung"
-            },
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-               "drilldown" : "Colin Crain",
-               "name" : "Colin Crain"
-            },
-            {
-               "drilldown" : "Cristina Heredia",
-               "y" : 1,
-               "name" : "Cristina Heredia"
-            },
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-               "name" : "Dave Jacoby",
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-               "drilldown" : "Dave Jacoby"
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-               "drilldown" : "Duncan C. White",
-               "name" : "Duncan C. White"
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-               "y" : 2,
-               "name" : "E. Choroba"
-            },
-            {
-               "name" : "Feng Chang",
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-               "drilldown" : "Feng Chang"
-            },
-            {
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-               "drilldown" : "Jake",
-               "name" : "Jake"
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-               "drilldown" : "James Smith",
-               "name" : "James Smith"
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-               "drilldown" : "Jan Krnavek"
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-               "name" : "Pete Houston"
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-               "drilldown" : "W. Luis Mochan"
-            },
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-               "drilldown" : "Wanderdoc",
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-         "name" : "The Weekly Challenge - 140"
-      }
-   ],
    "subtitle" : {
-      "text" : "[Champions: 35] Last updated at 2021-11-29 00:37:13 GMT"
+      "text" : "[Champions: 36] Last updated at 2021-11-29 01:22:01 GMT"
    },
    "xAxis" : {
       "type" : "category"
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-   "title" : {
-      "text" : "The Weekly Challenge - 140"
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    "yAxis" : {
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       }
    },
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-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1
+   "legend" : {
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-   "plotOptions" : {
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-         "dataLabels" : {
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+   "chart" : {
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    "drilldown" : {
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+            "id" : "Abigail",
             "data" : [
                [
                   "Perl",
@@ -226,7 +35,6 @@
                   2
                ]
             ],
-            "id" : "Abigail",
             "name" : "Abigail"
          },
          {
@@ -240,30 +48,31 @@
                   2
                ]
             ],
-            "id" : "Adam Russell",
-            "name" : "Adam Russell"
+            "name" : "Adam Russell",
+            "id" : "Adam Russell"
          },
          {
             "id" : "Alexander Pankoff",
+            "name" : "Alexander Pankoff",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Alexander Pankoff"
+            ]
          },
          {
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Andrew Shitov",
-            "name" : "Andrew Shitov"
+            ]
          },
          {
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -274,11 +83,10 @@
                   1
                ]
             ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
+            "id" : "Arne Sommer"
          },
          {
-            "id" : "Athanasius",
+            "name" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -289,7 +97,7 @@
                   2
                ]
             ],
-            "name" : "Athanasius"
+            "id" : "Athanasius"
          },
          {
             "name" : "Cheok-Yin Fung",
@@ -316,17 +124,16 @@
             "id" : "Colin Crain"
          },
          {
+            "id" : "Cristina Heredia",
+            "name" : "Cristina Heredia",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Cristina Heredia",
-            "name" : "Cristina Heredia"
+            ]
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-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -337,17 +144,18 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby"
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby"
          },
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-            "id" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Duncan C. White"
+            "name" : "Duncan C. White",
+            "id" : "Duncan C. White"
          },
          {
             "id" : "E. Choroba",
@@ -360,27 +168,46 @@
             "name" : "E. Choroba"
          },
          {
-            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Feng Chang"
+            "name" : "Feng Chang",
+            "id" : "Feng Chang"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti"
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-            "name" : "Jake",
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             "data" : [
                [
                   "Perl",
                   2
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+            "name" : "Jake"
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          {
             "id" : "James Smith",
+            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -390,8 +217,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "James Smith"
+            ]
          },
          {
             "name" : "Jan Krnavek",
@@ -404,17 +230,16 @@
             "id" : "Jan Krnavek"
          },
          {
+            "id" : "Jorg Sommrey",
             "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Jorg Sommrey"
+            ]
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          {
-            "name" : "Laurent Rosenfeld",
             "id" : "Laurent Rosenfeld",
             "data" : [
                [
@@ -429,17 +254,18 @@
                   "Blog",
                   2
                ]
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+            ],
+            "name" : "Laurent Rosenfeld"
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+            "id" : "Lubos Kolouch",
             "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Lubos Kolouch"
+            ]
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          {
             "id" : "Luca Ferrari",
@@ -456,74 +282,74 @@
             "name" : "Luca Ferrari"
          },
          {
-            "name" : "Mano Chandar",
+            "id" : "Mano Chandar",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Mano Chandar"
+            "name" : "Mano Chandar"
          },
          {
-            "id" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Matthew Neleigh"
+            "name" : "Matthew Neleigh",
+            "id" : "Matthew Neleigh"
          },
          {
-            "name" : "Mohammad S Anwar",
-            "id" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar"
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          {
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
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-            "id" : "Niels van Dijke",
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-            "name" : "Olivier Delouya",
             "id" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   1
                ]
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+            ],
+            "name" : "Olivier Delouya"
          },
          {
+            "id" : "Paul Fajman",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Paul Fajman",
             "name" : "Paul Fajman"
          },
          {
-            "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Paulo Custodio"
+            "id" : "Paulo Custodio"
          },
          {
             "data" : [
@@ -532,8 +358,8 @@
                   2
                ]
             ],
-            "id" : "Pete Houston",
-            "name" : "Pete Houston"
+            "name" : "Pete Houston",
+            "id" : "Pete Houston"
          },
          {
             "id" : "Peter Campbell Smith",
@@ -546,17 +372,17 @@
             "name" : "Peter Campbell Smith"
          },
          {
+            "name" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Robert DiCicco",
-            "name" : "Robert DiCicco"
+            "id" : "Robert DiCicco"
          },
          {
-            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -571,7 +397,7 @@
                   1
                ]
             ],
-            "id" : "Roger Bell_West"
+            "name" : "Roger Bell_West"
          },
          {
             "name" : "Simon Green",
@@ -588,6 +414,7 @@
             "id" : "Simon Green"
          },
          {
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -598,12 +425,10 @@
                   2
                ]
             ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke"
          },
          {
             "name" : "W. Luis Mochan",
-            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -613,21 +438,219 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "W. Luis Mochan"
          },
          {
-            "id" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Wanderdoc"
+            "name" : "Wanderdoc",
+            "id" : "Wanderdoc"
          }
       ]
    },
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+   "series" : [
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+               "drilldown" : "Abigail",
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+               "y" : 4,
+               "drilldown" : "Adam Russell"
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+               "drilldown" : "Alexander Pankoff",
+               "name" : "Alexander Pankoff",
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+               "name" : "Andrew Shitov"
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+               "name" : "Arne Sommer",
+               "drilldown" : "Arne Sommer"
+            },
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+               "name" : "Athanasius",
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+               "name" : "Cheok-Yin Fung"
+            },
+            {
+               "drilldown" : "Colin Crain",
+               "y" : 4,
+               "name" : "Colin Crain"
+            },
+            {
+               "drilldown" : "Cristina Heredia",
+               "name" : "Cristina Heredia",
+               "y" : 1
+            },
+            {
+               "y" : 3,
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "Duncan C. White",
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+               "drilldown" : "Duncan C. White"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "y" : 2,
+               "name" : "Feng Chang"
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+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti"
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+               "drilldown" : "Jake"
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+               "drilldown" : "James Smith"
+            },
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+               "drilldown" : "Jorg Sommrey"
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+               "name" : "Laurent Rosenfeld",
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+               "name" : "Lubos Kolouch"
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+               "y" : 2,
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+               "drilldown" : "Mohammad S Anwar"
+            },
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+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke"
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+               "name" : "Olivier Delouya",
+               "y" : 1
+            },
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+               "name" : "Paul Fajman",
+               "drilldown" : "Paul Fajman"
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+               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio"
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+               "name" : "Pete Houston",
+               "drilldown" : "Pete Houston"
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+               "name" : "Robert DiCicco",
+               "drilldown" : "Robert DiCicco"
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+               "name" : "Roger Bell_West",
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+               "y" : 3,
+               "name" : "Simon Green"
+            },
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+               "y" : 3,
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan"
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc",
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+            }
+         ],
+         "name" : "The Weekly Challenge - 140",
+         "colorByPoint" : 1
+      }
+   ],
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+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 140"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 95d005093f..8e77fd8b2d 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,53 +1,47 @@
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+            "y" : 10,
+            "rotation" : -90,
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          "data" : [
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                "Blog",
-               2052
+               2054
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                "Perl",
-               6749
+               6751
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             [
                "Raku",
-               4095
+               4097
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-      }
-   },
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2021-11-29 01:22:01 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
@@ -57,7 +51,13 @@
          }
       }
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "legend" : {
+      "enabled" : "false"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 20222bbe70..d52c16f436 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,20 +1,10 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "legend" : {
-      "enabled" : "false"
+   "chart" : {
+      "type" : "column"
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
             "id" : "001",
             "data" : [
                [
@@ -29,7 +19,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001"
          },
          {
             "data" : [
@@ -46,12 +37,10 @@
                   10
                ]
             ],
-            "id" : "002",
-            "name" : "002"
+            "name" : "002",
+            "id" : "002"
          },
          {
-            "name" : "003",
-            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -65,7 +54,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "003",
+            "id" : "003"
          },
          {
             "data" : [
@@ -82,10 +73,11 @@
                   10
                ]
             ],
-            "id" : "004",
-            "name" : "004"
+            "name" : "004",
+            "id" : "004"
          },
          {
+            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -100,8 +92,7 @@
                   12
                ]
             ],
-            "id" : "005",
-            "name" : "005"
+            "id" : "005"
          },
          {
             "name" : "006",
@@ -136,10 +127,11 @@
                   10
                ]
             ],
-            "id" : "007",
-            "name" : "007"
+            "name" : "007",
+            "id" : "007"
          },
          {
+            "id" : "008",
             "name" : "008",
             "data" : [
                [
@@ -154,10 +146,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "008"
+            ]
          },
          {
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -172,11 +164,9 @@
                   13
                ]
             ],
-            "id" : "009",
             "name" : "009"
          },
          {
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -191,10 +181,10 @@
                   11
                ]
             ],
-            "name" : "010"
+            "name" : "010",
+            "id" : "010"
          },
          {
-            "name" : "011",
             "id" : "011",
             "data" : [
                [
@@ -209,10 +199,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "011"
          },
          {
             "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -226,10 +218,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012"
+            ]
          },
          {
+            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -243,12 +236,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "013",
-            "name" : "013"
+            ]
          },
          {
-            "name" : "014"