- Added solutions by Flavio Poletti.

14 files changed, 1524 insertions, 1501 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 7006a3f04b..5c8f49d176 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,9 +1,151 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
+   "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/>"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 139"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 22] Last updated at 2021-11-19 18:46:44 GMT"
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 139",
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "name" : "Abigail",
+               "drilldown" : "Abigail",
+               "y" : 4
+            },
+            {
+               "name" : "Andrew Shitov",
+               "y" : 1,
+               "drilldown" : "Andrew Shitov"
+            },
+            {
+               "name" : "Athanasius",
+               "y" : 4,
+               "drilldown" : "Athanasius"
+            },
+            {
+               "drilldown" : "Cheok-Yin Fung",
+               "y" : 2,
+               "name" : "Cheok-Yin Fung"
+            },
+            {
+               "name" : "Cristina Heredia",
+               "y" : 1,
+               "drilldown" : "Cristina Heredia"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 3,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti",
+               "y" : 6
+            },
+            {
+               "drilldown" : "James Smith",
+               "y" : 3,
+               "name" : "James Smith"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek"
+            },
+            {
+               "name" : "Jorg Sommrey",
+               "drilldown" : "Jorg Sommrey",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "y" : 6,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "name" : "Olivier Delouya",
+               "drilldown" : "Olivier Delouya",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Paulo Custodio",
+               "y" : 2,
+               "name" : "Paulo Custodio"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 2,
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "name" : "Robert DiCicco",
+               "drilldown" : "Robert DiCicco",
+               "y" : 1
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Steven Wilson",
+               "name" : "Steven Wilson"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ]
+      }
+   ],
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Abigail",
-            "id" : "Abigail",
             "data" : [
                [
                   "Perl",
@@ -13,19 +155,23 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Abigail",
+            "id" : "Abigail"
          },
          {
-            "name" : "Andrew Shitov",
-            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
          },
          {
+            "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -35,29 +181,27 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Athanasius",
-            "id" : "Athanasius"
+            ]
          },
          {
+            "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Cheok-Yin Fung",
-            "id" : "Cheok-Yin Fung"
+            ]
          },
          {
-            "id" : "Cristina Heredia",
-            "name" : "Cristina Heredia",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Cristina Heredia",
+            "id" : "Cristina Heredia"
          },
          {
             "data" : [
@@ -70,16 +214,34 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby"
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
             "id" : "E. Choroba",
-            "name" : "E. Choroba",
+            "name" : "E. Choroba"
+         },
+         {
+            "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
                   2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
                ]
             ]
          },
@@ -114,8 +276,8 @@
                   2
                ]
             ],
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey"
+            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey"
          },
          {
             "data" : [
@@ -132,8 +294,8 @@
             "name" : "Luca Ferrari"
          },
          {
-            "id" : "Mark Anderson",
             "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
@@ -152,8 +314,8 @@
             "name" : "Niels van Dijke"
          },
          {
-            "id" : "Olivier Delouya",
             "name" : "Olivier Delouya",
+            "id" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
@@ -162,18 +324,18 @@
             ]
          },
          {
-            "name" : "Paulo Custodio",
-            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Paulo Custodio",
+            "id" : "Paulo Custodio"
          },
          {
-            "name" : "Peter Campbell Smith",
             "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -192,6 +354,8 @@
             "id" : "Robert DiCicco"
          },
          {
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -205,9 +369,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            ]
          },
          {
             "data" : [
@@ -234,6 +396,8 @@
             ]
          },
          {
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -243,157 +407,16 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            ]
          }
       ]
    },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 139",
-         "colorByPoint" : 1,
-         "data" : [
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-               "drilldown" : "Abigail",
-               "y" : 4,
-               "name" : "Abigail"
-            },
-            {
-               "y" : 1,
-               "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov"
-            },
-            {
-               "name" : "Athanasius",
-               "y" : 4,
-               "drilldown" : "Athanasius"
-            },
-            {
-               "name" : "Cheok-Yin Fung",
-               "y" : 2,
-               "drilldown" : "Cheok-Yin Fung"
-            },
-            {
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-               "drilldown" : "Cristina Heredia"
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-               "name" : "Dave Jacoby"
-            },
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-               "drilldown" : "E. Choroba"
-            },
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-               "drilldown" : "James Smith"
-            },
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-               "drilldown" : "Jan Krnavek",
-               "y" : 2,
-               "name" : "Jan Krnavek"
-            },
-            {
-               "name" : "Jorg Sommrey",
-               "y" : 2,
-               "drilldown" : "Jorg Sommrey"
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "y" : 6,
-               "name" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "y" : 2,
-               "name" : "Niels van Dijke"
-            },
-            {
-               "drilldown" : "Olivier Delouya",
-               "name" : "Olivier Delouya",
-               "y" : 1
-            },
-            {
-               "name" : "Paulo Custodio",
-               "y" : 2,
-               "drilldown" : "Paulo Custodio"
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 2,
-               "name" : "Peter Campbell Smith"
-            },
-            {
-               "drilldown" : "Robert DiCicco",
-               "name" : "Robert DiCicco",
-               "y" : 1
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 5,
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson",
-               "y" : 1
-            },
-            {
-               "name" : "Ulrich Rieke",
-               "y" : 4,
-               "drilldown" : "Ulrich Rieke"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "y" : 3,
-               "drilldown" : "W. Luis Mochan"
-            }
-         ]
-      }
-   ],
-   "title" : {
-      "text" : "The Weekly Challenge - 139"
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "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" : {
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-   },
-   "chart" : {
-      "type" : "column"
-   },
    "legend" : {
       "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 21] Last updated at 2021-11-19 18:38:36 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index d26dd969dc..40fa0ca7aa 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,62 +2,62 @@
    "legend" : {
       "enabled" : "false"
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-11-19 18:38:35 GMT"
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
    },
    "xAxis" : {
-      "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
-      }
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
       },
-      "min" : 0
+      "type" : "category"
    },
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "series" : [
       {
+         "name" : "Contributions",
          "dataLabels" : {
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "rotation" : -90,
-            "enabled" : "true",
             "align" : "right",
+            "rotation" : -90,
             "format" : "{point.y:.0f}",
             "color" : "#FFFFFF",
-            "y" : 10
+            "y" : 10,
+            "enabled" : "true"
          },
          "data" : [
             [
                "Blog",
-               2025
+               2027
             ],
             [
                "Perl",
-               6673
+               6675
             ],
             [
                "Raku",
-               4033
+               4035
             ]
-         ],
-         "name" : "Contributions"
+         ]
       }
-   ]
+   ],
+   "subtitle" : {
+      "text" : "Last updated at 2021-11-19 18:46:44 GMT"
+   }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 594851d8ae..5e684d55e2 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,30 +1,7 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-11-19 18:38:35 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "drilldown" : {
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-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -38,9 +15,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001",
+            "id" : "001"
          },
          {
+            "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -54,9 +35,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "002",
-            "id" : "002"
+            ]
          },
          {
             "data" : [
@@ -77,6 +56,8 @@
             "name" : "003"
          },
          {
+            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -90,13 +71,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004",
-            "name" : "004"
+            ]
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-            "id" : "005",
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -110,9 +87,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "005",
+            "name" : "005"
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -126,13 +107,11 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006",
-            "id" : "006"
+            ]
          },
          {
-            "name" : "007",
             "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -185,8 +164,8 @@
             ]
          },
          {
-            "id" : "010",
             "name" : "010",
+            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -221,6 +200,8 @@
             "id" : "011"
          },
          {
+            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -234,11 +215,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012",
-            "name" : "012"
+            ]
          },
          {
+            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -252,13 +233,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "013",
-            "name" : "013"
+            ]
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-            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -272,11 +249,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "014",
+            "id" : "014"
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-            "id" : "015",
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -290,11 +267,13 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "015",
+            "id" : "015"
          },
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-            "name" : "016",
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+            "name" : "016",
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                   "Perl",
@@ -311,8 +290,6 @@
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-            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -326,7 +303,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "017",
+            "name" : "017"
          },
          {
             "data" : [
@@ -347,6 +326,8 @@
             "name" : "018"
          },
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+            "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -360,9 +341,7 @@
                   "Blog",
                   13
                ]
-            ],
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-            "name" : "019"
+            ]
          },
          {
             "data" : [
@@ -379,10 +358,12 @@
                   13
                ]
             ],
-            "id" : "020",
-            "name" : "020"
+            "name" : "020",
+            "id" : "020"
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+            "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -396,11 +377,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "021",
-            "name" : "021"
+            ]
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+            "id" : "022",
+            "name" : "022",
             "data" : [
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                   "Perl",
@@ -414,13 +395,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "022",
-            "name" : "022"
+            ]
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-            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -434,7 +411,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "023",
+            "id" : "023"
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          {
             "id" : "024",
@@ -469,10 +448,12 @@
                   12
                ]
             ],
-            "id" : "025",
-            "name" : "025"
+            "name" : "025",
+            "id" : "025"
          },
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+            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -486,11 +467,11 @@
                   "Blog",
                   10
                ]
-            ],
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-            "id" : "026"
+            ]
          },
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+            "name" : "027",
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -504,13 +485,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "027",
-            "name" : "027"
+            ]
          },
          {
-            "name" : "028",
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -524,9 +501,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "028",
+            "name" : "028"
          },
          {
+            "name" : "029",
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -540,13 +521,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "029",
-            "name" : "029"
+            ]
          },
          {
-            "id" : "030",
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -560,7 +537,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030",
+            "name" : "030"
          },
          {
             "data" : [
@@ -581,8 +560,6 @@
             "id" : "031"
          },
          {
-            "id" : "032",
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -596,11 +573,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "032",
+            "id" : "032"
          },
          {
-            "name" : "033",
-            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -614,7 +591,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "033",
+            "name" : "033"
          },
          {
             "name" : "034",
@@ -635,6 +614,8 @@
             ]
          },
          {
+            "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -648,13 +629,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "035",
-            "name" : "035"
+            ]
          },
          {
-            "id" : "036",
-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -668,9 +645,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "036",
+            "id" : "036"
          },
          {
+            "name" : "037",
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -684,13 +665,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "037",
-            "name" : "037"
+            ]
          },
          {
-            "name" : "038",
-            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -704,9 +681,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "038",
+            "name" : "038"
          },
          {
+            "id" : "039",
+            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -720,9 +701,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "039",
-            "id" : "039"
+            ]
          },
          {
             "data" : [
@@ -743,8 +722,8 @@
             "name" : "040"
          },
          {
-            "id" : "041",
             "name" : "041",
+            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -775,12 +754,12 @@
                   11
                ]
             ],
-            "id" : "042",
-            "name" : "042"
+            "name" : "042",
+            "id" : "042"
          },
          {
-            "name" : "043",
             "id" : "043",
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -815,8 +794,6 @@
             ]
          },
          {
-            "id" : "045",
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -830,7 +807,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "045",
+            "id" : "045"
          },
          {
             "id" : "046",
@@ -851,8 +830,8 @@