- Added solutions by Luca Ferrari.

14 files changed, 1088 insertions, 1069 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index f525f4b7f8..6a8bdd9148 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,58 +1,111 @@
 {
+   "xAxis" : {
+      "type" : "category"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 137"
-   },
    "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/>"
-   },
-   "legend" : {
-      "enabled" : 0
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "subtitle" : {
-      "text" : "[Champions: 9] Last updated at 2021-11-02 10:40:35 GMT"
+      "text" : "[Champions: 10] Last updated at 2021-11-03 06:25:05 GMT"
    },
+   "series" : [
+      {
+         "data" : [
+            {
+               "drilldown" : "Andrew Shitov",
+               "y" : 1,
+               "name" : "Andrew Shitov"
+            },
+            {
+               "name" : "Bob Lied",
+               "y" : 2,
+               "drilldown" : "Bob Lied"
+            },
+            {
+               "y" : 6,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "James Smith",
+               "y" : 3,
+               "name" : "James Smith"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "y" : 6,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 4,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "name" : "Simon Green",
+               "y" : 3,
+               "drilldown" : "Simon Green"
+            },
+            {
+               "name" : "Steven Wilson",
+               "drilldown" : "Steven Wilson",
+               "y" : 1
+            }
+         ],
+         "name" : "The Weekly Challenge - 137",
+         "colorByPoint" : 1
+      }
+   ],
    "drilldown" : {
       "series" : [
          {
-            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
+            "id" : "Andrew Shitov",
             "name" : "Andrew Shitov"
          },
          {
             "name" : "Bob Lied",
-            "id" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Bob Lied"
          },
          {
+            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -67,8 +120,7 @@
                   2
                ]
             ],
-            "id" : "Flavio Poletti",
-            "name" : "Flavio Poletti"
+            "id" : "Flavio Poletti"
          },
          {
             "data" : [
@@ -85,27 +137,40 @@
             "name" : "James Smith"
          },
          {
-            "id" : "Mark Anderson",
+            "id" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  4
+               ]
+            ],
+            "name" : "Luca Ferrari"
+         },
+         {
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "id" : "Mark Anderson",
             "name" : "Mark Anderson"
          },
          {
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Niels van Dijke"
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
          },
          {
-            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
             "data" : [
                [
@@ -116,10 +181,10 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Roger Bell_West"
          },
          {
-            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -130,74 +195,28 @@
                   1
                ]
             ],
-            "id" : "Simon Green"
+            "id" : "Simon Green",
+            "name" : "Simon Green"
          },
          {
-            "name" : "Steven Wilson",
-            "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Steven Wilson",
+            "name" : "Steven Wilson"
          }
       ]
    },
+   "legend" : {
+      "enabled" : 0
+   },
    "chart" : {
       "type" : "column"
    },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 137",
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "y" : 1,
-               "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov"
-            },
-            {
-               "y" : 2,
-               "name" : "Bob Lied",
-               "drilldown" : "Bob Lied"
-            },
-            {
-               "y" : 6,
-               "name" : "Flavio Poletti",
-               "drilldown" : "Flavio Poletti"
-            },
-            {
-               "y" : 3,
-               "name" : "James Smith",
-               "drilldown" : "James Smith"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "y" : 2,
-               "name" : "Niels van Dijke"
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "y" : 4,
-               "name" : "Roger Bell_West"
-            },
-            {
-               "name" : "Simon Green",
-               "y" : 3,
-               "drilldown" : "Simon Green"
-            },
-            {
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson",
-               "y" : 1
-            }
-         ]
-      }
-   ]
+   "title" : {
+      "text" : "The Weekly Challenge - 137"
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 33dec491c2..b54e8ba001 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,25 +1,41 @@
 {
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
             "fontSize" : "13px",
             "fontFamily" : "Verdana, sans-serif"
          }
-      },
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-11-02 10:40:35 GMT"
-   },
-   "chart" : {
-      "type" : "column"
+      }
    },
    "series" : [
       {
+         "name" : "Contributions",
+         "dataLabels" : {
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
+            "align" : "right",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "enabled" : "true",
+            "color" : "#FFFFFF"
+         },
          "data" : [
             [
                "Blog",
-               1983
+               1987
             ],
             [
                "Perl",
@@ -27,37 +43,21 @@
             ],
             [
                "Raku",
-               3975
+               3977
             ]
-         ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "y" : 10,
-            "enabled" : "true",
-            "rotation" : -90,
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "format" : "{point.y:.0f}"
-         }
+         ]
       }
    ],
+   "subtitle" : {
+      "text" : "Last updated at 2021-11-03 06:25:05 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "legend" : {
       "enabled" : "false"
    },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 11ce4e07de..c4c4e60b8c 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -2,36 +2,10 @@
    "title" : {
       "text" : "The Weekly Challenge Language"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "tooltip" : {
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-11-02 10:40:35 GMT"
-   },
    "drilldown" : {
       "series" : [
          {
             "name" : "001",
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -45,10 +19,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001"
          },
          {
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -63,10 +37,10 @@
                   10
                ]
             ],
-            "id" : "002"
+            "id" : "002",
+            "name" : "002"
          },
          {
-            "name" : "003",
             "id" : "003",
             "data" : [
                [
@@ -81,10 +55,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "003"
          },
          {
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -99,10 +73,10 @@
                   10
                ]
             ],
+            "id" : "004",
             "name" : "004"
          },
          {
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -117,10 +91,12 @@
                   12
                ]
             ],
-            "id" : "005"
+            "id" : "005",
+            "name" : "005"
          },
          {
             "name" : "006",
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -134,8 +110,7 @@
                   "Blog",
                   7
                ]
-            ],
-            "id" : "006"
+            ]
          },
          {
             "id" : "007",
@@ -156,6 +131,7 @@
             "name" : "007"
          },
          {
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -170,7 +146,6 @@
                   12
                ]
             ],
-            "id" : "008",
             "name" : "008"
          },
          {
@@ -193,7 +168,6 @@
          },
          {
             "name" : "010",
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -207,10 +181,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010"
          },
          {
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -225,10 +199,10 @@
                   10
                ]
             ],
-            "id" : "011"
+            "id" : "011",
+            "name" : "011"
          },
          {
-            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -243,6 +217,7 @@
                   11
                ]
             ],
+            "id" : "012",
             "name" : "012"
          },
          {
@@ -264,6 +239,8 @@
             "id" : "013"
          },
          {
+            "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -277,12 +254,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014",
-            "name" : "014"
+            ]
          },
          {
-            "name" : "015",
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -297,9 +272,10 @@
                   15
                ]
             ],
-            "id" : "015"
+            "name" : "015"
          },
          {
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -314,12 +290,9 @@
                   12
                ]
             ],
-            "id" : "016",
-            "name" : "016"
+            "id" : "016"
          },
          {
-            "name" : "017",
-            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -333,9 +306,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "017",
+            "name" : "017"
          },
          {
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -350,11 +326,11 @@
                   14
                ]
             ],
-            "id" : "018",
             "name" : "018"
          },
          {
             "name" : "019",
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -368,10 +344,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "019"
+            ]
          },
          {
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -386,12 +362,10 @@
                   13
                ]
             ],
-            "id" : "020",
-            "name" : "020"
+            "id" : "020"
          },
          {
             "name" : "021",
-            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -405,7 +379,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "021"
          },
          {
             "id" : "022",
@@ -426,6 +401,7 @@
             "name" : "022"
          },
          {
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -440,8 +416,7 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "id" : "023"
          },
          {
             "data" : [
@@ -463,7 +438,6 @@
          },
          {
             "name" : "025",
-            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -477,10 +451,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "025"
          },
          {
-            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -495,9 +469,11 @@
                   10
                ]
             ],
+            "id" : "026",
             "name" : "026"
          },
          {
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -512,11 +488,9 @@
                   9
                ]
             ],
-            "id" : "027",
-            "name" : "027"
+            "id" : "027"
          },
          {
-            "name" : "028",
             "id" : "028",
             "data" : [
                [
@@ -531,11 +505,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "028"
          },
          {
-            "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -549,10 +522,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029",
+            "name" : "029"
          },
          {
             "name" : "030",
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -566,11 +542,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "030"
+            ]
          },
          {
-            "name" : "031",
             "id" : "031",
             "data" : [
                [
@@ -585,10 +559,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031"
          },
          {
             "name" : "032",
+            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -602,12 +578,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "032"
+            ]
          },
          {
-            "name" : "033",
-            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -621,10 +594,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "033",
+            "name" : "033"
          },
          {
-            "name" : "034",
             "id" : "034",
             "data" : [
                [
@@ -639,10 +613,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "034"
          },
          {
-            "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -657,10 +632,9 @@
                   9
                ]
             ],
-            "name" : "035"
+            "id" : "035"
          },
          {
-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -675,7 +649,8 @@
                   11
                ]
             ],
-            "id" : "036"
+            "id" : "036",
+            "name" : "036"
          },
          {
             "data" : [
@@ -696,6 +671,8 @@
             "name" : "037"
          },
          {
+            "name" : "038",
+            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -709,12 +686,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "038",
-            "name" : "038"
+            ]
          },
          {
             "name" : "039",
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -728,10 +704,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "039"
+            ]
          },
          {
+            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -746,11 +722,10 @@
                   10
                ]
             ],
-            "id" : "040",
             "name" : "040"
          },
          {
-            "id" : "041",
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -765,10 +740,9 @@
                   9
                ]
             ],
-            "name" : "041"
+            "id" : "041"
          },
          {
-            "name" : "042",
             "id" : "042",
             "data" : [
                [
@@ -783,7 +757,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042"
          },
          {
             "name" : "043",
@@ -804,7 +779,7 @@
             ]
          },
          {
-            "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -819,7 +794,7 @@
                   11
                ]
             ],
-            "name" : "044"
+            "id" : "044"
          },
          {
             "data" : [
@@ -840,6 +815,8 @@
             "name" : "045"
          },
          {
+            "name" : "046",
+            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -853,12 +830,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "046",
-            "name" : "046"
+            ]
          },
          {
-            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -873,9 +847,11 @@
                   10
                ]
             ],
+            "id" : "047",
             "name" : "047"
          },
          {
+            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -890,7 +866,6 @@
                   12
                ]
             ],
-            "id" : "048",
             "name" : "048"
          },
          {
@@ -913,7 +888,6 @@
          },
          {
             "name" : "050",
-            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -927,9 +901,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "050"
          },
          {
+            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -944,11 +920,10 @@
                   11
                ]
             ],
-            "id" : "051",
-            "name" : "051"
+            "id" : "051"
          },
          {
-            "name" : "052",
+            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -963,10 +938,11 @@
                   14
                ]
             ],
-            "id" : "052"
+            "name" : "052"
          },
          {
             "name" : "053",
+            "id" : "053",
             "data" : [
                [
                   "Perl",
@@ -980,12 +956,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "053"
+            ]
          },
          {
             "name" : "054",
-            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -999,11 +973,11 @@
                   "Blog",
                   18
                ]
-            ]
+            ],
+            "id" : "054"
          },
          {
             "name" : "055",
-            "id" : "055",
             "data" : [
                [
                   "Perl",
@@ -1017,7 +991,8 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "055"
          },
          {
             "name" : "056",
@@ -1092,7 +1067,6 @@
             "name" : "059"
          },
          {
-            "name" : "060",
             "id" : "060",
             "data" : [
                [
@@ -1107,7 +1081,8 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "060"
          },
          {
             "name" : "061",
@@ -1147,6 +1122,7 @@
          },
          {
             "name" : "063",
+            "id" : "063",
             "data" : [
                [
                   "Perl",
@@ -1160,12 +1136,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "063"
+            ]
          },
          {
-            "name" : "064",
-            "id" : "064",
             "data" : [
                [
                   "Perl",
@@ -1179,10 +1152,11 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "id" : "064",
+            "name" : "064"
          },
          {
-            "name" : "065",
             "id" : "065",
             "data" : [
                [
@@ -1197,9 +1171,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "065"
          },
          {
+            "id" : "066",
             "data" : [
                [
                   "Perl",
@@ -1214,10 +1190,10 @@
                   14
                ]
             ],
-            "id" : "066",
             "name" : "066"
          },
          {
+            "name" : "067",
             "id" : "067",
             "data" : [
                [
@@ -1232,11 +1208,9 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "067"
+            ]
          },
          {