- Added solutions by Flavio Poletti.

12 files changed, 1159 insertions, 1140 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index c4fc3a5042..7390865b72 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,14 +1,82 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
    "title" : {
       "text" : "Perl Weekly Challenge - 090"
    },
+   "drilldown" : {
+      "series" : [
+         {
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
+         },
+         {
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Stuart Little",
+            "name" : "Stuart Little"
+         }
+      ]
+   },
    "series" : [
       {
+         "name" : "Perl Weekly Challenge - 090",
+         "colorByPoint" : 1,
          "data" : [
             {
-               "y" : 2,
                "drilldown" : "Andrew Shitov",
-               "name" : "Andrew Shitov"
+               "name" : "Andrew Shitov",
+               "y" : 2
+            },
+            {
+               "y" : 4,
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti"
             },
             {
                "name" : "Mark Anderson",
@@ -16,36 +84,29 @@
                "y" : 2
             },
             {
-               "y" : 2,
                "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor"
+               "drilldown" : "Simon Proctor",
+               "y" : 2
             },
             {
                "name" : "Stuart Little",
                "drilldown" : "Stuart Little",
                "y" : 2
             }
-         ],
-         "name" : "Perl Weekly Challenge - 090",
-         "colorByPoint" : 1
+         ]
       }
    ],
-   "xAxis" : {
-      "type" : "category"
-   },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          },
          "borderWidth" : 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/>"
+   "xAxis" : {
+      "type" : "category"
    },
    "yAxis" : {
       "title" : {
@@ -53,56 +114,14 @@
       }
    },
    "subtitle" : {
-      "text" : "[Champions: 4] Last updated at 2020-12-07 21:18:32 GMT"
-   },
-   "chart" : {
-      "type" : "column"
+      "text" : "[Champions: 5] Last updated at 2020-12-07 21:23:04 GMT"
    },
    "legend" : {
       "enabled" : 0
    },
-   "drilldown" : {
-      "series" : [
-         {
-            "name" : "Andrew Shitov",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Andrew Shitov"
-         },
-         {
-            "id" : "Mark Anderson",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "name" : "Mark Anderson"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "name" : "Simon Proctor",
-            "id" : "Simon Proctor"
-         },
-         {
-            "id" : "Stuart Little",
-            "name" : "Stuart Little",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ]
-         }
-      ]
+   "tooltip" : {
+      "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/>",
+      "followPointer" : 1
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 7b49bb7927..32e0833bb4 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
    "series" : [
       {
+         "name" : "Contributions",
+         "dataLabels" : {
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "align" : "right",
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "y" : 10
+         },
          "data" : [
             [
                "Blog",
-               1164
+               1166
             ],
             [
                "Perl",
-               4019
+               4021
             ],
             [
                "Raku",
                2653
             ]
-         ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "rotation" : -90,
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
-            "enabled" : "true"
-         }
+         ]
       }
    ],
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "chart" : {
-      "type" : "column"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "legend" : {
       "enabled" : "false"
    },
    "subtitle" : {
-      "text" : "Last updated at 2020-12-07 21:18:32 GMT"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
+      "text" : "Last updated at 2020-12-07 21:23:04 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index d4c0b5ba1c..5bd57f58c5 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,7 +1,12 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "001",
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -15,11 +20,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "001",
-            "id" : "001"
+            ]
          },
          {
+            "id" : "002",
             "name" : "002",
             "data" : [
                [
@@ -34,12 +38,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "002"
+            ]
          },
          {
-            "id" : "003",
-            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -53,9 +54,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "003",
+            "name" : "003"
          },
          {
+            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -69,12 +74,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004",
-            "id" : "004"
+            ]
          },
          {
             "id" : "005",
+            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -88,8 +92,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "005"
+            ]
          },
          {
             "data" : [
@@ -111,6 +114,7 @@
          },
          {
             "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -124,8 +128,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "007"
+            ]
          },
          {
             "data" : [
@@ -142,11 +145,10 @@
                   12
                ]
             ],
-            "name" : "008",
-            "id" : "008"
+            "id" : "008",
+            "name" : "008"
          },
          {
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -161,10 +163,10 @@
                   13
                ]
             ],
-            "name" : "009"
+            "name" : "009",
+            "id" : "009"
          },
          {
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -179,10 +181,12 @@
                   11
                ]
             ],
-            "name" : "010"
+            "name" : "010",
+            "id" : "010"
          },
          {
             "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -196,10 +200,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "011"
+            ]
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -213,12 +218,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012",
-            "id" : "012"
+            ]
          },
          {
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -233,9 +235,11 @@
                   13
                ]
             ],
-            "name" : "013"
+            "name" : "013",
+            "id" : "013"
          },
          {
+            "id" : "014",
             "name" : "014",
             "data" : [
                [
@@ -250,11 +254,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014"
+            ]
          },
          {
             "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -268,12 +272,9 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "015"
+            ]
          },
          {
-            "id" : "016",
-            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -287,7 +288,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "016",
+            "id" : "016"
          },
          {
             "data" : [
@@ -304,10 +307,11 @@
                   12
                ]
             ],
-            "name" : "017",
-            "id" : "017"
+            "id" : "017",
+            "name" : "017"
          },
          {
+            "id" : "018",
             "name" : "018",
             "data" : [
                [
@@ -322,11 +326,9 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "018"
+            ]
          },
          {
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -341,7 +343,8 @@
                   13
                ]
             ],
-            "id" : "019"
+            "id" : "019",
+            "name" : "019"
          },
          {
             "id" : "020",
@@ -398,7 +401,6 @@
             "id" : "022"
          },
          {
-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -413,10 +415,10 @@
                   12
                ]
             ],
-            "name" : "023"
+            "name" : "023",
+            "id" : "023"
          },
          {
-            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -431,10 +433,10 @@
                   11
                ]
             ],
-            "name" : "024"
+            "name" : "024",
+            "id" : "024"
          },
          {
-            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -449,7 +451,8 @@
                   12
                ]
             ],
-            "name" : "025"
+            "name" : "025",
+            "id" : "025"
          },
          {
             "data" : [
@@ -471,6 +474,7 @@
          },
          {
             "name" : "027",
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -484,12 +488,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "027"
+            ]
          },
          {
-            "id" : "028",
             "name" : "028",
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -506,6 +509,8 @@
             ]
          },
          {
+            "name" : "029",
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -519,13 +524,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "029",
-            "id" : "029"
+            ]
          },
          {
-            "id" : "030",
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -539,9 +540,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030",
+            "name" : "030"
          },
          {
+            "name" : "031",
             "id" : "031",
             "data" : [
                [
@@ -556,8 +560,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "031"
+            ]
          },
          {
             "data" : [
@@ -574,11 +577,10 @@
                   10
                ]
             ],
-            "name" : "032",
-            "id" : "032"
+            "id" : "032",
+            "name" : "032"
          },
          {
-            "name" : "033",
             "data" : [
                [
                   "Perl",
@@ -593,11 +595,10 @@
                   10
                ]
             ],
-            "id" : "033"
+            "id" : "033",
+            "name" : "033"
          },
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-            "id" : "034",
-            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -611,10 +612,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "034",
+            "id" : "034"
          },
          {
-            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -629,10 +631,10 @@
                   9
                ]
             ],
-            "name" : "035"
+            "name" : "035",
+            "id" : "035"
          },
          {
-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -647,10 +649,10 @@
                   11
                ]
             ],
-            "id" : "036"
+            "id" : "036",
+            "name" : "036"
          },
          {
-            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -665,11 +667,12 @@
                   9
                ]
             ],
+            "name" : "037",
             "id" : "037"
          },
          {
-            "id" : "038",
             "name" : "038",
+            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -686,8 +689,6 @@
             ]
          },
          {
-            "id" : "039",
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -701,10 +702,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "039",
+            "name" : "039"
          },
          {
             "id" : "040",
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -718,8 +722,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040"
+            ]
          },
          {
             "data" : [
@@ -736,8 +739,8 @@
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                ]
             ],
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-            "id" : "041"
+            "id" : "041",
+            "name" : "041"
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             "data" : [
@@ -754,12 +757,12 @@
                   11
                ]
             ],
-            "name" : "042",
-            "id" : "042"
+            "id" : "042",
+            "name" : "042"
          },
          {
-            "id" : "043",
             "name" : "043",
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -776,8 +779,8 @@
             ]
          },
          {
-            "id" : "044",
             "name" : "044",
+            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -808,8 +811,8 @@
                   11
                ]
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-            "name" : "045",
-            "id" : "045"
+            "id" : "045",
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             "data" : [
@@ -826,11 +829,10 @@
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+            "id" : "046",
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             "data" : [
                [
                   "Perl",
@@ -845,7 +847,8 @@
                   10
                ]
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+            "id" : "047",
+            "name" : "047"
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@@ -866,8 +869,6 @@
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             "data" : [
                [
                   "Perl",
@@ -881,10 +882,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "049",
+            "name" : "049"
          },
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-            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -899,11 +901,10 @@
                   12
                ]
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+            "id" : "050",
             "name" : "050"
          },
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-            "id" : "051",
-            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -917,10 +918,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "051",
+            "id" : "051"
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-            "name" : "052",
             "data" : [
                [
                   "Perl",
@@ -935,10 +937,10 @@
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                ]
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+            "id" : "052",
+            "name" : "052"
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             "data" : [
                [
                   "Perl",
@@ -953,10 +955,10 @@
                   15
                ]
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+            "id" : "053",
+            "name" : "053"
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-            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -971,11 +973,10 @@
                   18
                ]
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+            "name" : "054",
             "id" : "054"
          },
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-            "id" : "055",
-            "name" : "055",
             "data" : [
                [
                   "Perl",
@@ -989,11 +990,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "055",
+            "name" : "055"
          },
          {
-            "id" : "056",
-            "name" : "056",
             "data" : [
                [
                   "Perl",
@@ -1007,10 +1008,11 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "056",
+            "id" : "056"
          },
          {
-            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1025,11 +1027,10 @@
                   15
                ]
             ],
+            "id" : "057",
             "name" : "057"
          },
          {
-            "id" : "058",
-            "name" : "058",
             "data" : [
                [
                   "Perl",
@@ -1043,11 +1044,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "058",
+            "name" : "058"
          },
          {
-            "id" : "059",
             "name" : "059",
+            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1064,8 +1067,8 @@
             ]
          },
          {
-            "id" : "060",
             "name" : "060",
+            "id" : "060",
             "data" : [
                [
                   "Perl",
@@ -1082,8 +1085,6 @@
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          },
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-            "id" : "061",
-            "name" : "061",
             "data" : [
                [
                   "Perl",
@@ -1097,11 +1098,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "061",
+            "name" : "061"
          },
          {
-            "id" : "062",
-            "name" : "062",
             "data" : [
                [
                   "Perl",
@@ -1115,11 +1116,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "062",
+            "name" : "062"
          },
          {
-            "id" : "063",
             "name" : "063",
+            "id" : "063",
             "data" : [
                [
                   "Perl",
@@ -1136,7 +1139,6 @@
             ]
          },
          {
-            "id" : "064",
             "data" : [
                [
                   "Perl",
@@ -1151,11 +1153,12 @@
                   16
                ]
             ],
-            "name" : "064"
+            "name" : "064",
+            "id" : "064"
          },
          {
-            "id" : "065",
             "name" : "065",
+            "id" : "065",
             "data" : [
                [
                   "Perl",
@@ -1172,7 +1175,6 @@
             ]
          },
          {
-            "id" : "066",
             "data" : [
                [
                   "Perl",
@@ -1187,9 +1189,11 @@
                   14
                ]
             ],
-            "name" : "066"
+            "name" : "066",
+            "id" : "066"
          },
          {
+            "name" : "067",
             "id" : "067",
             "data" : [
                [
@@ -1204,11 +1208,11 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "067"
+            ]
          },
          {
             "id" : "068",
+            "name" : "068",
             "data" : [
                [
                   "Perl",
@@ -1222,11 +1226,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "068"
+            ]
          },
          {
-            "id" : "069",
             "data" : [
                [
                   "Perl",
@@ -1241,10 +1243,10 @@
                   16
                ]
             ],
-            "name" : "069"
+            "name" : "069",
+            "id" : "069"
          },
          {
-            "name" : "070",
             "data" : [
                [
                   "Perl",
@@ -1259,10 +1261,10 @@
                   17
                ]
             ],
-            "id" : "070"
+            "id" : "070",
+            "name" : "070"
          },
          {
-            "id" : "071",
             "data" : [
                [
                   "Perl",
@@ -1277,10 +1279,10 @@
                   15
                ]
             ],
+            "id" : "071",
             "name" : "071"
          },
          {
-            "name" : "072",
             "data" : [
                [
                   "Perl",
@@ -1295,11 +1297,10 @@
                   19
                ]
             ],
+            "name" : "072",
             "id" : "072"
          },
          {
-            "id" : "073",
-            "name" : "073",
             "data" : [
                [
                   "Perl",
@@ -1313,9 +1314,13 @@
                   "Blog",
                   17
                ]
-            ]
+            ],
+            "name" : "073",
+            "id" : "073"
          },
          {
+            "id" : "074",
+            "name" : "074",
             "data" : [
                [