- Added solutions by Flavio Poletti.

13 files changed, 1582 insertions, 1559 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index a4b7a8acfc..8f9e9927f9 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,4 +1,83 @@
 {
+   "subtitle" : {
+      "text" : "[Champions: 13] Last updated at 2021-08-24 20:29:45 GMT"
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "drilldown" : "Andrew Shitov",
+               "name" : "Andrew Shitov",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby",
+               "y" : 3
+            },
+            {
+               "y" : 6,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "James Smith",
+               "name" : "James Smith",
+               "y" : 3
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 1
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Olivier Delouya",
+               "name" : "Olivier Delouya"
+            },
+            {
+               "y" : 4,
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor",
+               "y" : 1
+            },
+            {
+               "name" : "Steven Wilson",
+               "drilldown" : "Steven Wilson",
+               "y" : 1
+            },
+            {
+               "name" : "Stuart Little",
+               "drilldown" : "Stuart Little",
+               "y" : 4
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "name" : "The Weekly Challenge - 127",
+         "colorByPoint" : 1
+      }
+   ],
+   "title" : {
+      "text" : "The Weekly Challenge - 127"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
@@ -7,22 +86,29 @@
    "xAxis" : {
       "type" : "category"
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 127"
+   "chart" : {
+      "type" : "column"
+   },
+   "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
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Andrew Shitov",
-            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
          },
          {
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -32,9 +118,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby"
+            ]
          },
          {
             "data" : [
@@ -43,16 +127,32 @@
                   2
                ],
                [
+                  "Raku",
+                  2
+               ],
+               [
                   "Blog",
-                  1
+                  2
                ]
             ],
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti"
+         },
+         {
+            "name" : "James Smith",
             "id" : "James Smith",
-            "name" : "James Smith"
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
          },
          {
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -62,7 +162,9 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
          },
          {
             "data" : [
@@ -71,8 +173,8 @@
                   1
                ]
             ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson"
          },
          {
             "name" : "Niels van Dijke",
@@ -85,14 +187,14 @@
             ]
          },
          {
+            "name" : "Olivier Delouya",
+            "id" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Olivier Delouya",
-            "name" : "Olivier Delouya"
+            ]
          },
          {
             "data" : [
@@ -109,14 +211,14 @@
             "id" : "Roger Bell_West"
          },
          {
+            "id" : "Simon Proctor",
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            ]
          },
          {
             "name" : "Steven Wilson",
@@ -129,8 +231,8 @@
             ]
          },
          {
-            "id" : "Stuart Little",
             "name" : "Stuart Little",
+            "id" : "Stuart Little",
             "data" : [
                [
                   "Perl",
@@ -143,8 +245,8 @@
             ]
          },
          {
-            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -158,95 +260,16 @@
          }
       ]
    },
-   "legend" : {
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-   },
-   "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/>"
-   },
-   "chart" : {
-      "type" : "column"
-   },
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          }
       }
    },
-   "subtitle" : {
-      "text" : "[Champions: 12] Last updated at 2021-08-24 20:23:04 GMT"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 1,
-               "drilldown" : "Andrew Shitov",
-               "name" : "Andrew Shitov"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
-               "y" : 3,
-               "drilldown" : "James Smith",
-               "name" : "James Smith"
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "y" : 4,
-               "name" : "Luca Ferrari"
-            },
-            {
-               "name" : "Mark Anderson",
-               "y" : 1,
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "y" : 2,
-               "name" : "Niels van Dijke"
-            },
-            {
-               "name" : "Olivier Delouya",
-               "drilldown" : "Olivier Delouya",
-               "y" : 1
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 4,
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "y" : 1,
-               "name" : "Simon Proctor"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson"
-            },
-            {
-               "name" : "Stuart Little",
-               "y" : 4,
-               "drilldown" : "Stuart Little"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 127"
-      }
-   ]
+   "legend" : {
+      "enabled" : 0
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 25bab6c360..3818b3d56a 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "chart" : {
-      "type" : "column"
-   },
    "series" : [
       {
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "color" : "#FFFFFF",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
-            "enabled" : "true",
-            "align" : "right"
-         },
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               1825
+               1827
             ],
             [
                "Perl",
-               6060
+               6062
             ],
             [
                "Raku",
-               3761
+               3763
             ]
-         ]
+         ],
+         "dataLabels" : {
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
+            "y" : 10,
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "enabled" : "true",
+            "align" : "right"
+         },
+         "name" : "Contributions"
       }
    ],
    "subtitle" : {
-      "text" : "Last updated at 2021-08-24 20:23:04 GMT"
+      "text" : "Last updated at 2021-08-24 20:29:45 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "legend" : {
+      "enabled" : "false"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 0f95cafd8f..cca3230b83 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -2,6 +2,8 @@
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -15,9 +17,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "001",
-            "name" : "001"
+            ]
          },
          {
             "data" : [
@@ -52,8 +52,8 @@
                   9
                ]
             ],
-            "name" : "003",
-            "id" : "003"
+            "id" : "003",
+            "name" : "003"
          },
          {
             "data" : [
@@ -74,8 +74,8 @@
             "name" : "004"
          },
          {
-            "id" : "005",
             "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -92,6 +92,8 @@
             ]
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -105,13 +107,11 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006",
-            "id" : "006"
+            ]
          },
          {
-            "id" : "007",
             "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -128,8 +128,6 @@
             ]
          },
          {
-            "name" : "008",
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -143,11 +141,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008",
+            "id" : "008"
          },
          {
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-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -161,11 +159,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009",
+            "name" : "009"
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          {
-            "id" : "010",
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -179,7 +177,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "010",
+            "id" : "010"
          },
          {
             "data" : [
@@ -200,8 +200,8 @@
             "name" : "011"
          },
          {
-            "id" : "012",
             "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -218,8 +218,6 @@
             ]
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-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -233,11 +231,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "013",
+            "id" : "013"
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-            "name" : "014",
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+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -272,8 +272,8 @@
             "name" : "015"
          },
          {
-            "name" : "016",
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+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -304,8 +304,8 @@
                   12
                ]
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-            "id" : "017",
-            "name" : "017"
+            "name" : "017",
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@@ -326,8 +326,6 @@
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             "data" : [
                [
                   "Perl",
@@ -341,11 +339,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "019",
+            "id" : "019"
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-            "id" : "020",
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+            "id" : "020",
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                [
                   "Perl",
@@ -362,6 +362,8 @@
             ]
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+            "id" : "021",
+            "name" : "021",
             "data" : [
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                   "Perl",
@@ -375,9 +377,7 @@
                   "Blog",
                   10
                ]
-            ],
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-            "id" : "021"
+            ]
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          {
             "name" : "022",
@@ -412,8 +412,8 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "name" : "023",
+            "id" : "023"
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@@ -452,8 +452,6 @@
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             "data" : [
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@@ -467,7 +465,9 @@
                   "Blog",
                   10
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+            ],
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@@ -488,8 +488,6 @@
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             "data" : [
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                   "Perl",
@@ -503,7 +501,9 @@
                   "Blog",
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+            ],
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+            "id" : "028"
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@@ -520,8 +520,8 @@
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                ]
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-            "name" : "029"
+            "name" : "029",
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@@ -542,8 +542,6 @@
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             "data" : [
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                   "Perl",
@@ -557,9 +555,13 @@
                   "Blog",
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                ]
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+            "name" : "031",
+            "id" : "031"
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@@ -573,9 +575,7 @@
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@@ -592,8 +592,8 @@
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@@ -628,8 +628,8 @@
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+            "id" : "035",
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@@ -668,6 +668,8 @@
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@@ -681,13 +683,11 @@
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@@ -704,8 +704,6 @@
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@@ -719,11 +717,11 @@
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@@ -737,11 +735,11 @@
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@@ -755,11 +753,13 @@
                   "Blog",
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+            ],
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+            "id" : "042"
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@@ -794,8 +794,6 @@
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@@ -809,7 +807,9 @@
                   "Blog",
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+            "name" : "045"
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@@ -826,8 +826,8 @@
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+            "id" : "046",
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@@ -848,6 +848,8 @@
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@@ -861,11 +863,11 @@
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-            "id" : "048"
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@@ -879,9 +881,7 @@
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-            "name" : "049"
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@@ -902,6 +902,8 @@
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@@ -915,9 +917,7 @@
                   "Blog",
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@@ -934,10 +934,12 @@
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                ]
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+            "id" : "052",
+            "name" : "052"
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             "data" : [
                [
                   "Perl",
@@ -951,9 +953,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "053",
-            "id" : "053"
+            ]
          },
          {
             "data" : [
@@ -970,10 +970,12 @@
                   18
                ]
             ],
-            "id" : "054",
-            "name" : "054"
+            "name" : "054",
+            "id" : "054"
          },
          {
+            "name" : "055",
+            "id" : "055",
             "data" : [
                [
                   "Perl",
@@ -987,9 +989,7 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "055",
-            "name" : "055"
+            ]
          },
          {
             "data" : [
@@ -1010,8 +1010,6 @@
             "name" : "056"
          },
          {
-            "name" : "057",
-            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1025,11 +1023,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "057",
+            "name" : "057"
          },
          {
-            "id" : "058",
-            "name" : "058",
             "data" : [
                [
                   "Perl",
@@ -1043,11 +1041,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "058",
+            "name" : "058"
          },
          {
-            "name" : "059",
-            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1061,11 +1059,11 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "059",
+            "id" : "059"
          },
          {
-            "name" : "060",
-            "id" : "060",
             "data" : [
                [
                   "Perl",
@@ -1079,7 +1077,9 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "060",
+            "id" : "060"
          },
          {
             "data" : [
@@ -1096,10 +1096,12 @@
                   14
                ]
             ],
-            "name" : "061",
-            "id" : "061"
+            "id" : "061",
+            "name" : "061"
          },
          {
+            "id" : "062",
+            "name" : "062",
             "data" : [
                [
                   "Perl",
@@ -1113,13 +1115,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "062",
-            "id" : "062"
+            ]
          },
          {
-            "id" : "063",
-            "name" : "063",
             "data" : [
                [
                   "Perl",
@@ -1133,7 +1131,9 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "063",
+            "id" : "063"
          },
          {
             "data" : [
@@ -1150,8 +1150,8 @@
                   16
                ]
             ],
-            "id" : "064",
-            "name" : "064"
+            "name" : "064",
+            "id" : "064"
          },
          {
             "data" : [
@@ -1168,8 +1168,8 @@
                   15
                ]
             ],
-            "id" : "065",
-            "name" : "065"
+            "name" : "065",
+            "id" : "065"
          },
          {
             "data" : [
@@ -1186,10 +1186,12 @@
                   14
                ]
             ],
-            "id" : "066",
-            "name" : "066"
+            "name" : "066",
+            "id" : "066"
          },
          {
+            "id" : "067",
+            "name" : "067",
             "data" : [
                [
                   "Perl",
@@ -1203,11 +1205,11 @@
                   "Blog",
                   18