- Added solution by Lubos Kolouch.

14 files changed, 1382 insertions, 1367 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 18d8f43422..4975c127ad 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,129 +1,24 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge - 135"
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 135",
-         "data" : [
-            {
-               "drilldown" : "Abigail",
-               "name" : "Abigail",
-               "y" : 2
-            },
-            {
-               "name" : "Andrezgz",
-               "drilldown" : "Andrezgz",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "y" : 6,
-               "name" : "Flavio Poletti",
-               "drilldown" : "Flavio Poletti"
-            },
-            {
-               "name" : "James Smith",
-               "drilldown" : "James Smith",
-               "y" : 3
-            },
-            {
-               "y" : 1,
-               "name" : "Lance Wicks",
-               "drilldown" : "Lance Wicks"
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari",
-               "y" : 4
-            },
-            {
-               "name" : "Matthew Neleigh",
-               "drilldown" : "Matthew Neleigh",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "drilldown" : "Paulo Custodio",
-               "name" : "Paulo Custodio",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith"
-            },
-            {
-               "y" : 4,
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ]
-      }
-   ],
-   "legend" : {
-      "enabled" : 0
-   },
    "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/>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 16] Last updated at 2021-10-21 17:35:16 GMT"
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Abigail",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Abigail"
+            "id" : "Abigail",
+            "name" : "Abigail"
          },
          {
-            "id" : "Andrezgz",
             "name" : "Andrezgz",
+            "id" : "Andrezgz",
             "data" : [
                [
                   "Perl",
@@ -132,7 +27,6 @@
             ]
          },
          {
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -143,7 +37,8 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby"
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
             "name" : "E. Choroba",
@@ -156,7 +51,6 @@
             "id" : "E. Choroba"
          },
          {
-            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -171,7 +65,8 @@
                   2
                ]
             ],
-            "id" : "Flavio Poletti"
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti"
          },
          {
             "id" : "James Smith",
@@ -188,17 +83,27 @@
             "name" : "James Smith"
          },
          {
-            "id" : "Lance Wicks",
+            "name" : "Lance Wicks",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Lance Wicks"
+         },
+         {
+            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Lance Wicks"
+            "id" : "Lubos Kolouch"
          },
          {
-            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -209,7 +114,7 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari"
+            "name" : "Luca Ferrari"
          },
          {
             "name" : "Matthew Neleigh",
@@ -222,36 +127,37 @@
             "id" : "Matthew Neleigh"
          },
          {
+            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke"
          },
          {
+            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Paulo Custodio",
-            "id" : "Paulo Custodio"
+            "name" : "Paulo Custodio"
          },
          {
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -262,20 +168,20 @@
                   2
                ]
             ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            "name" : "Roger Bell_West"
          },
          {
-            "name" : "Steven Wilson",
+            "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Steven Wilson"
+            "name" : "Steven Wilson"
          },
          {
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -286,11 +192,10 @@
                   2
                ]
             ],
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke"
+            "name" : "Ulrich Rieke"
          },
          {
-            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -301,20 +206,130 @@
                   1
                ]
             ],
-            "name" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
+   "xAxis" : {
+      "type" : "category"
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 135",
+         "data" : [
+            {
+               "name" : "Abigail",
+               "y" : 2,
+               "drilldown" : "Abigail"
+            },
+            {
+               "name" : "Andrezgz",
+               "y" : 2,
+               "drilldown" : "Andrezgz"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
+               "y" : 3
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti",
+               "y" : 6
+            },
+            {
+               "name" : "James Smith",
+               "y" : 3,
+               "drilldown" : "James Smith"
+            },
+            {
+               "name" : "Lance Wicks",
+               "y" : 1,
+               "drilldown" : "Lance Wicks"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Matthew Neleigh",
+               "name" : "Matthew Neleigh"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Paulo Custodio",
+               "name" : "Paulo Custodio"
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "y" : 2,
+               "drilldown" : "Peter Campbell Smith"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Steven Wilson",
+               "name" : "Steven Wilson"
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4,
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
+   "legend" : {
+      "enabled" : 0
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 135"
    },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
+            "enabled" : 1,
+            "format" : "{point.y}"
          },
          "borderWidth" : 0
       }
+   },
+   "subtitle" : {
+      "text" : "[Champions: 17] Last updated at 2021-10-21 17:43:31 GMT"
+   },
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 986c527634..1f5121a313 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,10 +1,4 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "series" : [
       {
          "data" : [
@@ -14,7 +8,7 @@
             ],
             [
                "Perl",
-               6430
+               6431
             ],
             [
                "Raku",
@@ -23,41 +17,47 @@
          ],
          "name" : "Contributions",
          "dataLabels" : {
-            "color" : "#FFFFFF",
             "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "align" : "right",
             "style" : {
                "fontSize" : "13px",
                "fontFamily" : "Verdana, sans-serif"
             },
-            "format" : "{point.y:.0f}",
-            "y" : 10,
-            "enabled" : "true",
-            "align" : "right"
+            "y" : 10
          }
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
    "xAxis" : {
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       },
       "type" : "category"
    },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "subtitle" : {
-      "text" : "Last updated at 2021-10-21 17:35:16 GMT"
+      "text" : "Last updated at 2021-10-21 17:43:31 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 40d66ea943..2fd6d0a165 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,23 +1,13 @@
 {
-   "xAxis" : {
-      "type" : "category"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "tooltip" : {
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
       "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/>"
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-10-21 17:35:16 GMT"
+      "followPointer" : "true"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -32,11 +22,11 @@
                   11
                ]
             ],
-            "name" : "001",
-            "id" : "001"
+            "name" : "001"
          },
          {
             "name" : "002",
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -50,11 +40,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "002"
+            ]
          },
          {
-            "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -69,7 +58,7 @@
                   9
                ]
             ],
-            "name" : "003"
+            "id" : "003"
          },
          {
             "name" : "004",
@@ -90,7 +79,6 @@
             "id" : "004"
          },
          {
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -105,9 +93,11 @@
                   12
                ]
             ],
-            "id" : "005"
+            "id" : "005",
+            "name" : "005"
          },
          {
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -122,11 +112,9 @@
                   7
                ]
             ],
-            "name" : "006",
             "id" : "006"
          },
          {
-            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -141,7 +129,8 @@
                   10
                ]
             ],
-            "id" : "007"
+            "id" : "007",
+            "name" : "007"
          },
          {
             "id" : "008",
@@ -162,6 +151,7 @@
             "name" : "008"
          },
          {
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -176,10 +166,10 @@
                   13
                ]
             ],
-            "name" : "009",
-            "id" : "009"
+            "name" : "009"
          },
          {
+            "name" : "010",
             "id" : "010",
             "data" : [
                [
@@ -194,11 +184,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010"
+            ]
          },
          {
-            "id" : "011",
             "name" : "011",
             "data" : [
                [
@@ -213,10 +201,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "011"
          },
          {
-            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -231,10 +220,9 @@
                   11
                ]
             ],
-            "id" : "012"
+            "name" : "012"
          },
          {
-            "id" : "013",
             "name" : "013",
             "data" : [
                [
@@ -249,7 +237,8 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "013"
          },
          {
             "name" : "014",
@@ -270,8 +259,6 @@
             "id" : "014"
          },
          {
-            "id" : "015",
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -285,11 +272,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "015",
+            "name" : "015"
          },
          {
             "id" : "016",
-            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -303,10 +291,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "016"
          },
          {
-            "id" : "017",
             "name" : "017",
             "data" : [
                [
@@ -321,10 +309,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "017"
          },
          {
-            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -339,9 +327,11 @@
                   14
                ]
             ],
-            "id" : "018"
+            "id" : "018",
+            "name" : "018"
          },
          {
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -356,10 +346,10 @@
                   13
                ]
             ],
-            "name" : "019",
             "id" : "019"
          },
          {
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -374,11 +364,11 @@
                   13
                ]
             ],
-            "name" : "020",
-            "id" : "020"
+            "name" : "020"
          },
          {
             "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -392,8 +382,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "021"
+            ]
          },
          {
             "data" : [
@@ -410,10 +399,11 @@
                   10
                ]
             ],
-            "name" : "022",
-            "id" : "022"
+            "id" : "022",
+            "name" : "022"
          },
          {
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -428,12 +418,9 @@
                   12
                ]
             ],
-            "name" : "023",
             "id" : "023"
          },
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-            "id" : "024",
-            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -447,10 +434,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "024",
+            "name" : "024"
          },
          {
-            "id" : "025",
             "name" : "025",
             "data" : [
                [
@@ -465,7 +453,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "025"
          },
          {
             "name" : "026",
@@ -487,6 +476,7 @@
          },
          {
             "name" : "027",
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -500,10 +490,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "027"
+            ]
          },
          {
+            "name" : "028",
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -517,11 +508,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "028",
-            "id" : "028"
+            ]
          },
          {
+            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -536,7 +526,6 @@
                   12
                ]
             ],
-            "name" : "029",
             "id" : "029"
          },
          {
@@ -559,7 +548,6 @@
          },
          {
             "id" : "031",
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -573,10 +561,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031"
          },
          {
-            "id" : "032",
             "name" : "032",
             "data" : [
                [
@@ -591,9 +579,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "032"
          },
          {
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -608,10 +598,10 @@
                   10
                ]
             ],
-            "name" : "033",
-            "id" : "033"
+            "name" : "033"
          },
          {
+            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -626,7 +616,6 @@
                   11
                ]
             ],
-            "name" : "034",
             "id" : "034"
          },
          {
@@ -648,7 +637,7 @@
             "name" : "035"
          },
          {
-            "id" : "036",
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -663,11 +652,9 @@
                   11
                ]
             ],
-            "name" : "036"
+            "id" : "036"
          },
          {
-            "id" : "037",
-            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -681,10 +668,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "037",
+            "name" : "037"
          },
          {
-            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -699,9 +687,12 @@
                   12
                ]
             ],
-            "id" : "038"
+            "id" : "038",
+            "name" : "038"
          },
          {
+            "name" : "039",
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -715,9 +706,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "039",
-            "id" : "039"
+            ]
          },
          {
             "id" : "040",
@@ -738,6 +727,7 @@
             "name" : "040"
          },
          {
+            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -752,11 +742,9 @@
                   9
                ]
             ],
-            "name" : "041",
-            "id" : "041"
+            "name" : "041"
          },
          {
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -771,9 +759,11 @@
                   11
                ]
             ],
-            "id" : "042"
+            "id" : "042",
+            "name" : "042"
          },
          {
+            "name" : "043",
             "id" : "043",
             "data" : [
                [
@@ -788,10 +778,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "043"
+            ]
          },
          {
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -806,11 +796,9 @@
                   11
                ]
             ],
-            "name" : "044",
             "id" : "044"
          },
          {
-            "id" : "045",
             "name" : "045",
             "data" : [
                [
@@ -825,10 +813,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "045"
          },
          {
-            "name" : "046",
             "data" : [
                [
                   "Perl",
@@ -843,10 +831,10 @@
                   10
                ]
             ],
-            "id" : "046"
+            "id" : "046",
+            "name" : "046"
          },
          {
-            "id" : "047",
             "name" : "047",
             "data" : [
                [
@@ -861,11 +849,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "047"
          },
          {
-            "id" : "048",
-            "name" : "048",
             "data" : [
                [
                   "Perl",
@@ -879,10 +866,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "048",
+            "name" : "048"
          },
          {
-            "name" : "049",
+            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -897,10 +886,10 @@
                   12
                ]
             ],
-            "id" : "049"
+            "name" : "049"
          },
          {
-            "id" : "050",
+            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -915,11 +904,9 @@