- Added solution by Andrew Shitov.

12 files changed, 1052 insertions, 1037 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 25fb2bc8b1..79c159a5ae 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,6 +1,28 @@
 {
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 079"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 8] Last updated at 2020-09-21 21:39:43 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "series" : [
       {
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 079",
          "data" : [
             {
                "name" : "Abigail",
@@ -8,69 +30,69 @@
                "y" : 2
             },
             {
-               "name" : "Dave Cross",
+               "name" : "Andrew Shitov",
+               "drilldown" : "Andrew Shitov",
+               "y" : 1
+            },
+            {
                "drilldown" : "Dave Cross",
-               "y" : 2
+               "y" : 2,
+               "name" : "Dave Cross"
             },
             {
-               "name" : "Mark Anderson",
                "y" : 2,
-               "drilldown" : "Mark Anderson"
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
             },
             {
-               "name" : "Markus Holzer",
                "y" : 2,
-               "drilldown" : "Markus Holzer"
+               "drilldown" : "Markus Holzer",
+               "name" : "Markus Holzer"
             },
             {
-               "name" : "Roger Bell_West",
                "y" : 4,
-               "drilldown" : "Roger Bell_West"
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
             },
             {
-               "y" : 2,
                "drilldown" : "Simon Proctor",
+               "y" : 2,
                "name" : "Simon Proctor"
             },
             {
-               "name" : "Vinod Kumar K",
                "y" : 1,
-               "drilldown" : "Vinod Kumar K"
+               "drilldown" : "Vinod Kumar K",
+               "name" : "Vinod Kumar K"
             }
-         ],
-         "name" : "Perl Weekly Challenge - 079",
-         "colorByPoint" : 1
+         ]
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 079"
+   "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/>"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Abigail",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Abigail"
+            "name" : "Abigail",
+            "id" : "Abigail"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov"
          },
          {
             "id" : "Dave Cross",
@@ -103,7 +125,6 @@
             "id" : "Markus Holzer"
          },
          {
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -114,17 +135,18 @@
                   2
                ]
             ],
+            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West"
          },
          {
+            "id" : "Simon Proctor",
             "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Simon Proctor"
+            ]
          },
          {
             "id" : "Vinod Kumar K",
@@ -138,20 +160,13 @@
          }
       ]
    },
-   "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
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 7] Last updated at 2020-09-21 21:33:18 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
       }
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 3d98944a03..a5e97b7df4 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,37 +1,45 @@
 {
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "chart" : {
+      "type" : "column"
    },
    "legend" : {
       "enabled" : "false"
    },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
    "subtitle" : {
-      "text" : "Last updated at 2020-09-21 21:33:18 GMT"
+      "text" : "Last updated at 2020-09-21 21:39:43 GMT"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
    },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
+      },
+      "min" : 0
    },
    "series" : [
       {
          "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "rotation" : -90,
+            "align" : "right",
             "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
             },
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
             "y" : 10,
-            "align" : "right",
             "enabled" : "true"
          },
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -43,21 +51,13 @@
             ],
             [
                "Raku",
-               2165
+               2166
             ]
-         ]
+         ],
+         "name" : "Contributions"
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 08ebd2f3a9..2f1a573a6a 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,26 +1,23 @@
 {
-   "tooltip" : {
-      "followPointer" : "true",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   "chart" : {
+      "type" : "column"
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-09-21 21:33:18 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
    },
    "legend" : {
       "enabled" : "false"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-09-21 21:39:43 GMT"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
+   "xAxis" : {
+      "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -35,11 +32,9 @@
                   11
                ]
             ],
-            "name" : "001",
-            "id" : "001"
+            "name" : "001"
          },
          {
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -54,10 +49,11 @@
                   10
                ]
             ],
+            "name" : "002",
             "id" : "002"
          },
          {
-            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -72,10 +68,10 @@
                   9
                ]
             ],
-            "id" : "003"
+            "name" : "003"
          },
          {
-            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -90,10 +86,9 @@
                   10
                ]
             ],
-            "name" : "004"
+            "id" : "004"
          },
          {
-            "id" : "005",
             "name" : "005",
             "data" : [
                [
@@ -108,9 +103,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "005"
          },
          {
+            "id" : "006",
             "name" : "006",
             "data" : [
                [
@@ -125,11 +122,10 @@
                   "Blog",
                   7
                ]
-            ],
-            "id" : "006"
+            ]
          },
          {
-            "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -144,9 +140,10 @@
                   10
                ]
             ],
-            "name" : "007"
+            "id" : "007"
          },
          {
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -161,12 +158,10 @@
                   12
                ]
             ],
-            "name" : "008",
-            "id" : "008"
+            "name" : "008"
          },
          {
             "id" : "009",
-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -180,11 +175,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009"
          },
          {
             "id" : "010",
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -198,10 +193,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "010"
          },
          {
-            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -216,9 +211,11 @@
                   10
                ]
             ],
-            "name" : "011"
+            "name" : "011",
+            "id" : "011"
          },
          {
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -233,10 +230,10 @@
                   11
                ]
             ],
-            "name" : "012",
-            "id" : "012"
+            "name" : "012"
          },
          {
+            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -251,10 +248,10 @@
                   13
                ]
             ],
-            "name" : "013",
-            "id" : "013"
+            "name" : "013"
          },
          {
+            "id" : "014",
             "name" : "014",
             "data" : [
                [
@@ -269,10 +266,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014"
+            ]
          },
          {
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -287,10 +284,10 @@
                   15
                ]
             ],
-            "name" : "015",
             "id" : "015"
          },
          {
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -305,10 +302,10 @@
                   12
                ]
             ],
-            "name" : "016",
-            "id" : "016"
+            "name" : "016"
          },
          {
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -323,8 +320,7 @@
                   12
                ]
             ],
-            "name" : "017",
-            "id" : "017"
+            "name" : "017"
          },
          {
             "id" : "018",
@@ -346,6 +342,7 @@
          },
          {
             "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -359,10 +356,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "019"
+            ]
          },
          {
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -377,10 +374,10 @@
                   13
                ]
             ],
-            "name" : "020",
-            "id" : "020"
+            "name" : "020"
          },
          {
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -395,11 +392,9 @@
                   10
                ]
             ],
-            "name" : "021",
             "id" : "021"
          },
          {
-            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -414,10 +409,10 @@
                   10
                ]
             ],
-            "name" : "022"
+            "name" : "022",
+            "id" : "022"
          },
          {
-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -432,10 +427,10 @@
                   12
                ]
             ],
-            "name" : "023"
+            "name" : "023",
+            "id" : "023"
          },
          {
-            "id" : "024",
             "name" : "024",
             "data" : [
                [
@@ -450,10 +445,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "024"
          },
          {
-            "id" : "025",
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -468,9 +464,10 @@
                   12
                ]
             ],
-            "name" : "025"
+            "id" : "025"
          },
          {
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -485,11 +482,10 @@
                   10
                ]
             ],
-            "name" : "026",
-            "id" : "026"
+            "name" : "026"
          },
          {
-            "name" : "027",
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -504,10 +500,11 @@
                   9
                ]
             ],
-            "id" : "027"
+            "name" : "027"
          },
          {
             "id" : "028",
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -521,10 +518,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "028"
+            ]
          },
          {
+            "id" : "029",
             "name" : "029",
             "data" : [
                [
@@ -539,11 +536,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "029"
+            ]
          },
          {
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -558,10 +553,11 @@
                   10
                ]
             ],
-            "name" : "030"
+            "name" : "030",
+            "id" : "030"
          },
          {
-            "id" : "031",
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -576,11 +572,10 @@
                   9
                ]
             ],
-            "name" : "031"
+            "id" : "031"
          },
          {
             "id" : "032",
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -594,7 +589,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "032"
          },
          {
             "data" : [
@@ -615,7 +611,6 @@
             "id" : "033"
          },
          {
-            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -630,9 +625,11 @@
                   11
                ]
             ],
+            "name" : "034",
             "id" : "034"
          },
          {
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -647,11 +644,10 @@
                   9
                ]
             ],
-            "name" : "035",
-            "id" : "035"
+            "name" : "035"
          },
          {
-            "id" : "036",
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -666,10 +662,9 @@
                   11
                ]
             ],
-            "name" : "036"
+            "id" : "036"
          },
          {
-            "id" : "037",
             "name" : "037",
             "data" : [
                [
@@ -684,10 +679,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "037"
          },
          {
-            "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -702,10 +698,10 @@
                   12
                ]
             ],
-            "name" : "038"
+            "id" : "038"
          },
          {
-            "id" : "039",
+            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -720,7 +716,7 @@
                   12
                ]
             ],
-            "name" : "039"
+            "id" : "039"
          },
          {
             "data" : [
@@ -741,6 +737,7 @@
             "id" : "040"
          },
          {
+            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -755,11 +752,9 @@
                   9
                ]
             ],
-            "name" : "041",
-            "id" : "041"
+            "name" : "041"
          },
          {
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -774,10 +769,10 @@
                   11
                ]
             ],
+            "name" : "042",
             "id" : "042"
          },
          {
-            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -792,9 +787,11 @@
                   11
                ]
             ],
+            "name" : "043",
             "id" : "043"
          },
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+            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -809,11 +806,9 @@
                   11
                ]
             ],
-            "name" : "044",
-            "id" : "044"
+            "name" : "044"
          },
          {
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -828,9 +823,11 @@
                   11
                ]
             ],
+            "name" : "045",
             "id" : "045"
          },
          {
+            "name" : "046",
             "data" : [
                [
                   "Perl",
@@ -845,11 +842,10 @@
                   10
                ]
             ],
-            "name" : "046",
             "id" : "046"
          },
          {
-            "id" : "047",
+            "name" : "047",
             "data" : [
                [
                   "Perl",
@@ -864,9 +860,10 @@
                   10
                ]
             ],
-            "name" : "047"
+            "id" : "047"
          },
          {
+            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -881,10 +878,10 @@
                   12
                ]
             ],
-            "name" : "048",
-            "id" : "048"
+            "name" : "048"
          },
          {
+            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -899,8 +896,7 @@
                   12
                ]
             ],
-            "name" : "049",
-            "id" : "049"
+            "name" : "049"
          },
          {
             "id" : "050",
@@ -921,7 +917,7 @@
             ]
          },
          {
-            "id" : "051",
+            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -936,11 +932,10 @@
                   11
                ]
             ],
-            "name" : "051"
+            "id" : "051"
          },
          {
             "id" : "052",
-            "name" : "052",
             "data" : [
                [
                   "Perl",
@@ -954,7 +949,8 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "052"
          },
          {
             "name" : "053",
@@ -993,6 +989,7 @@
             "id" : "054"
          },
          {
+            "id" : "055",
             "data" : [
                [
                   "Perl",
@@ -1007,11 +1004,9 @@
                   14
                ]
             ],
-            "name" : "055",
-            "id" : "055"
+            "name" : "055"
          },
          {
-            "id" : "056",
             "name" : "056",
             "data" : [
                [
@@ -1026,9 +1021,11 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "id" : "056"
          },
          {
+            "id" : "057",
             "name" : "057",
             "data" : [
                [
@@ -1043,10 +1040,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "057"
+            ]
          },
          {
+            "id" : "058",
             "data" : [
                [
                   "Perl",
@@ -1061,10 +1058,10 @@
                   13
                ]
             ],
-            "name" : "058",
-            "id" : "058"
+            "name" : "058"
          },
          {
+            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1079,10 +1076,10 @@
                   16
                ]
             ],
-            "name" : "059",
-            "id" : "059"
+            "name" : "059"
          },
          {
+            "name" : "060",
             "data" : [
                [
                   "Perl",
@@ -1097,7 +1094,6 @@
                   16
                ]
             ],
-            "name" : "060",
             "id" : "060"
          },
          {
@@ -1155,7 +1151,6 @@
             ]
          },
          {
-            "id" : "064",
             "data" : [
                [
                   "Perl",
@@ -1170,10 +1165,10 @@
                   16
                ]
             ],
-            "name" : "064"
+            "name" : "064",
+            "id" : "064"
          },
          {
-            "id" : "065",
             "data" : [
                [
                   "Perl",
@@ -1188,10 +1183,11 @@
                   15
                ]
             ],
-            "name" : "065"
+            "name" : "065",
+            "id" : "065"
          },
          {
-            "name" : "066",
+            "id" : "066",
             "data" : [
                [
                   "Perl",
@@ -1206,11 +1202,10 @@
                   14
                ]
             ],
-            "id" : "066"
+            "name" : "066"
          },
          {
             "id" : "067",
-            "name" : "067",
             "data" : [
                [
                   "Perl",
@@ -1224,9 +1219,12 @@
                   "Blog",
                   18
                ]
-            ]
+            ],
+            "name" : "067"
          },
          {
+            "id" : "068",
+            "name" : "068",
             "data" : [
                [
                   "Perl",
@@ -1240,11 +1238,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "068",
-            "id" : "068"
+            ]
          },
          {
+            "id" : "069",
             "name" : "069",
             "data" : [
                [
@@ -1259,8 +1256,7 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "069"
+            ]
          },
          {
             "name" : "070",
@@ -1281,7 +1277,7 @@
             "id" : "070"
          },
          {
-            "id" : "071",
+            "name" : "071",
             "data" : [
                [
                   "Perl",
@@ -1296,7 +1292,7 @@
                   15
                ]
             ],
-            "name" : "071"
+            "id" : "071"
          },
          {
             "data" : [
@@ -1317,7 +1313,6 @@
             "id" : "072"
          },
          {
-            "name" : "073",
             "data" : [
                [
                   "Perl",
@@ -1332,10 +1327,10 @@
                   17
                ]
             ],
+            "name" : "073",
             "id" : "073"
          },
          {
-            "name" : "074",
             "data" : [
                [
                   "Perl",
@@ -1350,6 +1345,7 @@
                   20
                ]
             ],
+            "name" : "074",
             "id" : "074"
          },
          {
@@ -1371,6 +1367,7 @@
             "id" : "