- Added solutions by Flavio Poletti.

13 files changed, 1063 insertions, 1044 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 81b9ba19d3..af97a61ecd 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,40 +1,86 @@
 {
-   "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/>"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 099",
+         "data" : [
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West",
+               "y" : 4
+            },
+            {
+               "y" : 3,
+               "name" : "Simon Green",
+               "drilldown" : "Simon Green"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Stuart Little",
+               "name" : "Stuart Little",
+               "y" : 4
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ]
       }
+   ],
+   "chart" : {
+      "type" : "column"
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 7] Last updated at 2021-02-09 23:55:04 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge - 099"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "E. Choroba",
             "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
             ],
-            "id" : "E. Choroba"
+            "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti"
          },
          {
+            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari",
             "data" : [
                [
@@ -45,11 +91,9 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Luca Ferrari"
+            ]
          },
          {
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -60,10 +104,10 @@
                   2
                ]
             ],
+            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West"
          },
          {
-            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -74,20 +118,22 @@
                   1
                ]
             ],
+            "name" : "Simon Green",
             "id" : "Simon Green"
          },
          {
-            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "name" : "Simon Proctor",
             "id" : "Simon Proctor"
          },
          {
             "id" : "Stuart Little",
+            "name" : "Stuart Little",
             "data" : [
                [
                   "Perl",
@@ -97,11 +143,9 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Stuart Little"
+            ]
          },
          {
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -112,62 +156,37 @@
                   1
                ]
             ],
+            "name" : "W. Luis Mochan",
             "id" : "W. Luis Mochan"
          }
       ]
    },
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge - 099",
-         "data" : [
-            {
-               "drilldown" : "E. Choroba",
-               "y" : 2,
-               "name" : "E. Choroba"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "y" : 4,
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Simon Green",
-               "y" : 3,
-               "name" : "Simon Green"
-            },
-            {
-               "name" : "Simon Proctor",
-               "y" : 2,
-               "drilldown" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "Stuart Little",
-               "y" : 4,
-               "name" : "Stuart Little"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "y" : 3,
-               "drilldown" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1
+   "subtitle" : {
+      "text" : "[Champions: 8] Last updated at 2021-02-10 00:01:41 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
       }
-   ],
+   },
+   "legend" : {
+      "enabled" : 0
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "chart" : {
-      "type" : "column"
+   "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
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 099"
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 51188fbaee..170f598b54 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-02-09 23:55:04 GMT"
+   "chart" : {
+      "type" : "column"
    },
    "series" : [
       {
+         "dataLabels" : {
+            "enabled" : "true",
+            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "y" : 10,
+            "color" : "#FFFFFF",
+            "align" : "right",
+            "rotation" : -90
+         },
          "data" : [
             [
                "Blog",
-               1319
+               1321
             ],
             [
                "Perl",
-               4598
+               4600
             ],
             [
                "Raku",
                2976
             ]
          ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "y" : 10,
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "enabled" : "true",
-            "rotation" : -90,
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            }
-         }
+         "name" : "Contributions"
       }
    ],
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-02-10 00:01:41 GMT"
+   },
    "yAxis" : {
+      "min" : 0,
       "title" : {
          "text" : null
-      },
-      "min" : 0
+      }
    },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : "false"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index fd5977a9e9..881b1e63bd 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,9 +1,29 @@
 {
+   "legend" : {
+      "enabled" : "false"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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"
+   },
    "series" : [
       {
          "data" : [
@@ -13,8 +33,8 @@
                "y" : 155
             },
             {
-               "name" : "#002",
                "y" : 120,
+               "name" : "#002",
                "drilldown" : "002"
             },
             {
@@ -23,109 +43,109 @@
                "y" : 77
             },
             {
-               "name" : "#004",
                "y" : 95,
+               "name" : "#004",
                "drilldown" : "004"
             },
             {
                "y" : 76,
-               "drilldown" : "005",
-               "name" : "#005"
+               "name" : "#005",
+               "drilldown" : "005"
             },
             {
-               "name" : "#006",
                "drilldown" : "006",
+               "name" : "#006",
                "y" : 56
             },
             {
-               "drilldown" : "007",
                "y" : 63,
-               "name" : "#007"
+               "name" : "#007",
+               "drilldown" : "007"
             },
             {
-               "drilldown" : "008",
                "y" : 76,
-               "name" : "#008"
+               "name" : "#008",
+               "drilldown" : "008"
             },
             {
-               "y" : 74,
                "drilldown" : "009",
-               "name" : "#009"
+               "name" : "#009",
+               "y" : 74
             },
             {
+               "y" : 64,
                "name" : "#010",
-               "drilldown" : "010",
-               "y" : 64
+               "drilldown" : "010"
             },
             {
-               "drilldown" : "011",
                "y" : 83,
-               "name" : "#011"
+               "name" : "#011",
+               "drilldown" : "011"
             },
             {
-               "y" : 87,
                "drilldown" : "012",
-               "name" : "#012"
+               "name" : "#012",
+               "y" : 87
             },
             {
                "drilldown" : "013",
-               "y" : 82,
-               "name" : "#013"
+               "name" : "#013",
+               "y" : 82
             },
             {
+               "name" : "#014",
                "drilldown" : "014",
-               "y" : 100,
-               "name" : "#014"
+               "y" : 100
             },
             {
-               "drilldown" : "015",
                "y" : 97,
+               "drilldown" : "015",
                "name" : "#015"
             },
             {
-               "name" : "#016",
+               "y" : 70,
                "drilldown" : "016",
-               "y" : 70
+               "name" : "#016"
             },
             {
                "name" : "#017",
-               "y" : 83,
-               "drilldown" : "017"
+               "drilldown" : "017",
+               "y" : 83
             },
             {
-               "name" : "#018",
                "y" : 80,
-               "drilldown" : "018"
+               "drilldown" : "018",
+               "name" : "#018"
             },
             {
-               "name" : "#019",
                "y" : 101,
+               "name" : "#019",
                "drilldown" : "019"
             },
             {
                "y" : 99,
-               "drilldown" : "020",
-               "name" : "#020"
+               "name" : "#020",
+               "drilldown" : "020"
             },
             {
+               "drilldown" : "021",
                "name" : "#021",
-               "y" : 71,
-               "drilldown" : "021"
+               "y" : 71
             },
             {
-               "name" : "#022",
                "y" : 67,
-               "drilldown" : "022"
+               "drilldown" : "022",
+               "name" : "#022"
             },
             {
-               "name" : "#023",
                "y" : 95,
-               "drilldown" : "023"
+               "drilldown" : "023",
+               "name" : "#023"
             },
             {
-               "name" : "#024",
                "y" : 74,
-               "drilldown" : "024"
+               "drilldown" : "024",
+               "name" : "#024"
             },
             {
                "y" : 59,
@@ -133,44 +153,44 @@
                "name" : "#025"
             },
             {
+               "drilldown" : "026",
                "name" : "#026",
-               "y" : 74,
-               "drilldown" : "026"
+               "y" : 74
             },
             {
                "name" : "#027",
-               "y" : 60,
-               "drilldown" : "027"
+               "drilldown" : "027",
+               "y" : 60
             },
             {
+               "y" : 80,
                "name" : "#028",
-               "drilldown" : "028",
-               "y" : 80
+               "drilldown" : "028"
             },
             {
+               "y" : 79,
                "name" : "#029",
-               "drilldown" : "029",
-               "y" : 79
+               "drilldown" : "029"
             },
             {
-               "name" : "#030",
                "y" : 117,
-               "drilldown" : "030"
+               "drilldown" : "030",
+               "name" : "#030"
             },
             {
                "drilldown" : "031",
-               "y" : 89,
-               "name" : "#031"
+               "name" : "#031",
+               "y" : 89
             },
             {
                "name" : "#032",
-               "y" : 94,
-               "drilldown" : "032"
+               "drilldown" : "032",
+               "y" : 94
             },
             {
-               "y" : 110,
+               "name" : "#033",
                "drilldown" : "033",
-               "name" : "#033"
+               "y" : 110
             },
             {
                "y" : 64,
@@ -179,28 +199,28 @@
             },
             {
                "drilldown" : "035",
-               "y" : 64,
-               "name" : "#035"
+               "name" : "#035",
+               "y" : 64
             },
             {
-               "name" : "#036",
                "drilldown" : "036",
+               "name" : "#036",
                "y" : 68
             },
             {
-               "y" : 67,
+               "name" : "#037",
                "drilldown" : "037",
-               "name" : "#037"
+               "y" : 67
             },
             {
-               "name" : "#038",
                "y" : 67,
+               "name" : "#038",
                "drilldown" : "038"
             },
             {
                "y" : 62,
-               "drilldown" : "039",
-               "name" : "#039"
+               "name" : "#039",
+               "drilldown" : "039"
             },
             {
                "name" : "#040",
@@ -209,77 +229,77 @@
             },
             {
                "drilldown" : "041",
-               "y" : 76,
-               "name" : "#041"
+               "name" : "#041",
+               "y" : 76
             },
             {
-               "name" : "#042",
                "drilldown" : "042",
+               "name" : "#042",
                "y" : 90
             },
             {
-               "y" : 68,
                "drilldown" : "043",
-               "name" : "#043"
+               "name" : "#043",
+               "y" : 68
             },
             {
-               "y" : 84,
                "drilldown" : "044",
-               "name" : "#044"
+               "name" : "#044",
+               "y" : 84
             },
             {
-               "y" : 96,
+               "name" : "#045",
                "drilldown" : "045",
-               "name" : "#045"
+               "y" : 96
             },
             {
+               "y" : 87,
                "name" : "#046",
-               "drilldown" : "046",
-               "y" : 87
+               "drilldown" : "046"
             },
             {
-               "name" : "#047",
                "y" : 84,
+               "name" : "#047",
                "drilldown" : "047"
             },
             {
                "name" : "#048",
-               "y" : 108,
-               "drilldown" : "048"
+               "drilldown" : "048",
+               "y" : 108
             },
             {
-               "y" : 89,
                "drilldown" : "049",
-               "name" : "#049"
+               "name" : "#049",
+               "y" : 89
             },
             {
-               "drilldown" : "050",
                "y" : 98,
-               "name" : "#050"
+               "name" : "#050",
+               "drilldown" : "050"
             },
             {
+               "drilldown" : "051",
                "name" : "#051",
-               "y" : 89,
-               "drilldown" : "051"
+               "y" : 89
             },
             {
+               "y" : 91,
                "name" : "#052",
-               "drilldown" : "052",
-               "y" : 91
+               "drilldown" : "052"
             },
             {
-               "name" : "#053",
                "drilldown" : "053",
+               "name" : "#053",
                "y" : 101
             },
             {
-               "name" : "#054",
                "y" : 103,
-               "drilldown" : "054"
+               "drilldown" : "054",
+               "name" : "#054"
             },
             {
-               "name" : "#055",
                "drilldown" : "055",
+               "name" : "#055",
                "y" : 88
             },
             {
@@ -288,8 +308,8 @@
                "name" : "#056"
             },
             {
-               "drilldown" : "057",
                "y" : 80,
+               "drilldown" : "057",
                "name" : "#057"
             },
             {
@@ -298,58 +318,58 @@
                "name" : "#058"
             },
             {
-               "name" : "#059",
                "y" : 89,
-               "drilldown" : "059"
+               "drilldown" : "059",
+               "name" : "#059"
             },
             {
-               "name" : "#060",
+               "y" : 85,
                "drilldown" : "060",
-               "y" : 85
+               "name" : "#060"
             },
             {
-               "drilldown" : "061",
                "y" : 81,
+               "drilldown" : "061",
                "name" : "#061"
             },
             {
-               "name" : "#062",
                "drilldown" : "062",
+               "name" : "#062",
                "y" : 56
             },
             {
-               "drilldown" : "063",
                "y" : 89,
-               "name" : "#063"
+               "name" : "#063",
+               "drilldown" : "063"
             },
             {
+               "y" : 80,
                "name" : "#064",
-               "drilldown" : "064",
-               "y" : 80
+               "drilldown" : "064"
             },
             {
-               "drilldown" : "065",
                "y" : 73,
-               "name" : "#065"
+               "name" : "#065",
+               "drilldown" : "065"
             },
             {
-               "drilldown" : "066",
                "y" : 84,
+               "drilldown" : "066",
                "name" : "#066"
             },
             {
                "drilldown" : "067",
-               "y" : 90,
-               "name" : "#067"
+               "name" : "#067",
+               "y" : 90
             },
             {
                "name" : "#068",
-               "y" : 75,
-               "drilldown" : "068"
+               "drilldown" : "068",
+               "y" : 75
             },
             {
-               "drilldown" : "069",
                "y" : 83,
+               "drilldown" : "069",
                "name" : "#069"
             },
             {
@@ -363,8 +383,8 @@
                "y" : 78
             },
             {
-               "drilldown" : "072",
                "y" : 112,
+               "drilldown" : "072",
                "name" : "#072"
             },
             {
@@ -374,18 +394,18 @@
             },
             {
                "name" : "#074",
-               "y" : 115,
-               "drilldown" : "074"
+               "drilldown" : "074",
+               "y" : 115
             },
             {
-               "name" : "#075",
                "y" : 113,
-               "drilldown" : "075"
+               "drilldown" : "075",
+               "name" : "#075"
             },
             {
                "name" : "#076",
-               "y" : 99,
-               "drilldown" : "076"
+               "drilldown" : "076",
+               "y" : 99
             },
             {
                "name" : "#077",
@@ -393,14 +413,14 @@
                "y" : 98
             },
             {
+               "y" : 127,
                "name" : "#078",
-               "drilldown" : "078",
-               "y" : 127
+               "drilldown" : "078"
             },
             {
                "name" : "#079",
-               "y" : 122,
-               "drilldown" : "079"
+               "drilldown" : "079",
+               "y" : 122
             },
             {
                "y" : 127,
@@ -408,83 +428,83 @@
                "name" : "#080"
             },
             {
-               "name" : "#081",
                "y" : 114,
-               "drilldown" : "081"
+               "drilldown" : "081",
+               "name" : "#081"
             },
             {
-               "y" : 114,
                "drilldown" : "082",
-               "name" : "#082"
+               "name" : "#082",
+               "y" : 114
             },
             {
-               "name" : "#083",
                "y" : 127,
-               "drilldown" : "083"
+               "drilldown" : "083",
+               "name" : "#083"
             },
             {
-               "name" : "#084",
                "drilldown" : "084",
+               "name" : "#084",
                "y" : 119
             },
             {
-               "y" : 114,
+               "name" : "#085",
                "drilldown" : "085",
-               "name" : "#085"
+               "y" : 114
             },
             {
-               "name" : "#086",
                "y" : 104,
-               "drilldown" : "086"
+               "drilldown" : "086",
+               "name" : "#086"
             },
             {
                "name" : "#087",
-               "y" : 101,
-               "drilldown" : "087"
+               "drilldown" : "087",
+               "y" : 101
             },
             {
                "y" : 121,
-               "drilldown" : "088",
-               "name" : "#088"
+               "name" : "#088",
+               "drilldown" : "088"
             },
             {
-               "drilldown" : "089",
                "y" : 113,
+               "drilldown" : "089",
                "name" : "#089"
             },
             {
-               "name" : "#090",
                "drilldown" : "090",
+               "name" : "#090",
                "y" : 113
             },
             {
-               "y" : 106,
+               "name" : "#091",
                "drilldown" : "091",
-               "name" : "#091"
+               "y" : 106
             },
             {
                "y" : 93,
-               "drilldown" : "092",
-               "name" : "#092"
+               "name" : "#092",
+               "drilldown" : "092"
             },
             {
-               "name" : "#093",
                "y" : 85,
+               "name" : "#093",
                "drilldown" : "093"
             },
             {
-               "name" : "#094",
                "y" : 85,
-               "drilldown" : "094"
+               "drilldown" : "094",
+               "name" : "#094"
             },
             {
-               "y" : 103,
                "drilldown" : "095",
-               "name" : "#095"
+               "name" : "#095",
+               "y" : 103
             },
             {
-               "name" : "#096",
                "y" : 101,
+               "name" : "#096",
                "drilldown" : "096"
             },
             {
@@ -493,23 +513,28 @@
                "name" : "#097"
             },
             {
-               "name" : "#098",
                "y" : 105,
+               "name" : "#098",
                "drilldown" : "098"
             },
             {
+               "name" : "#099",
                "drilldown" : "099",
-               "y" : 22,
-               "name" : "#099"
+               "y" : 26
             }
          ],
-         "colorByPoint" : "true",
-         "name" : "Perl Weekly Challenge Languages"
+         "name" : "Perl Weekly Challenge Languages",
+         "colorByPoint" : "true"
       }
    ],
+   "chart" : {
+      "type" : "column"
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -523,9 +548,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "001",
-            "id" : "001"
+            ]
          },
          {
             "id" : "002",
@@ -546,6 +569,7 @@
             ]
          },
          {
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -560,10 +584,10 @@
                   9
                ]
             ],
-            "name" : "003",
-            "id" : "003"
+            "name" : "003"
          },
          {
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -578,7 +602,6 @@
                   10
                ]
             ],
-            "name" : "004",
             "id" : "004"
          },
          {
@@ -618,6 +641,7 @@
             ]
          },
          {
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -632,11 +656,10 @@
                   10
                ]
             ],
-            "name" : "007",
             "id" : "007"
          },
          {
-            "name" : "008",
+            "id" : "008",
             "data" : [