- Added solutions by Luca Ferrari.

13 files changed, 1542 insertions, 1523 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 3234e44014..4262bec211 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,65 +1,26 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
+   "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
    },
    "subtitle" : {
-      "text" : "[Champions: 3] Last updated at 2021-06-28 15:30:58 GMT"
+      "text" : "[Champions: 4] Last updated at 2021-06-28 16:21:23 GMT"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 119"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge - 119",
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "drilldown" : "Dave Cross",
-               "name" : "Dave Cross",
-               "y" : 2
-            },
-            {
-               "y" : 3,
-               "name" : "James Smith",
-               "drilldown" : "James Smith"
-            },
-            {
-               "name" : "Simon Proctor",
-               "y" : 2,
-               "drilldown" : "Simon Proctor"
-            }
-         ]
-      }
-   ],
    "drilldown" : {
       "series" : [
          {
-            "name" : "Dave Cross",
-            "id" : "Dave Cross",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Dave Cross",
+            "name" : "Dave Cross"
          },
          {
             "name" : "James Smith",
-            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -69,29 +30,87 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "James Smith"
          },
          {
             "data" : [
                [
                   "Raku",
                   2
+               ],
+               [
+                  "Blog",
+                  2
                ]
             ],
-            "name" : "Simon Proctor",
-            "id" : "Simon Proctor"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
+         },
+         {
+            "id" : "Simon Proctor",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Simon Proctor"
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "legend" : {
       "enabled" : 0
    },
-   "tooltip" : {
-      "followPointer" : 1,
-      "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/>"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 119"
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 119",
+         "data" : [
+            {
+               "name" : "Dave Cross",
+               "drilldown" : "Dave Cross",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "drilldown" : "James Smith",
+               "name" : "James Smith"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor",
+               "y" : 2
+            }
+         ]
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index f436763984..c014f29dd2 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,22 +1,32 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2021-06-28 15:30:58 GMT"
-   },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
+      },
+      "min" : 0
    },
    "series" : [
       {
+         "dataLabels" : {
+            "rotation" : -90,
+            "align" : "right",
+            "enabled" : "true",
+            "y" : 10,
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF"
+         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               1679
+               1681
             ],
             [
                "Perl",
@@ -24,38 +34,28 @@
             ],
             [
                "Raku",
-               3541
+               3543
             ]
-         ],
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "rotation" : -90,
-            "align" : "right",
-            "y" : 10,
-            "enabled" : "true",
-            "color" : "#FFFFFF"
-         },
-         "name" : "Contributions"
+         ]
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
-      },
-      "type" : "category"
+      }
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-06-28 16:21:22 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "legend" : {
       "enabled" : "false"
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 2dd65d229b..919e2d7c09 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,44 +1,24 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-06-28 15:30:58 GMT"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
+   "xAxis" : {
+      "type" : "category"
    },
    "series" : [
       {
          "data" : [
             {
+               "name" : "#001",
                "drilldown" : "001",
-               "y" : 161,
-               "name" : "#001"
+               "y" : 161
             },
             {
-               "name" : "#002",
                "y" : 125,
+               "name" : "#002",
                "drilldown" : "002"
             },
             {
                "drilldown" : "003",
-               "y" : 81,
-               "name" : "#003"
+               "name" : "#003",
+               "y" : 81
             },
             {
                "y" : 99,
@@ -46,178 +26,178 @@
                "drilldown" : "004"
             },
             {
-               "y" : 78,
+               "drilldown" : "005",
                "name" : "#005",
-               "drilldown" : "005"
+               "y" : 78
             },
             {
+               "drilldown" : "006",
                "name" : "#006",
-               "y" : 58,
-               "drilldown" : "006"
+               "y" : 58
             },
             {
-               "name" : "#007",
                "y" : 64,
-               "drilldown" : "007"
+               "drilldown" : "007",
+               "name" : "#007"
             },
             {
+               "y" : 78,
                "drilldown" : "008",
-               "name" : "#008",
-               "y" : 78
+               "name" : "#008"
             },
             {
                "drilldown" : "009",
-               "y" : 76,
-               "name" : "#009"
+               "name" : "#009",
+               "y" : 76
             },
             {
-               "name" : "#010",
                "y" : 65,
-               "drilldown" : "010"
+               "drilldown" : "010",
+               "name" : "#010"
             },
             {
+               "drilldown" : "011",
                "name" : "#011",
-               "y" : 85,
-               "drilldown" : "011"
+               "y" : 85
             },
             {
-               "y" : 89,
+               "drilldown" : "012",
                "name" : "#012",
-               "drilldown" : "012"
+               "y" : 89
             },
             {
+               "drilldown" : "013",
                "name" : "#013",
-               "y" : 85,
-               "drilldown" : "013"
+               "y" : 85
             },
             {
                "y" : 101,
-               "name" : "#014",
-               "drilldown" : "014"
+               "drilldown" : "014",
+               "name" : "#014"
             },
             {
-               "y" : 99,
+               "drilldown" : "015",
                "name" : "#015",
-               "drilldown" : "015"
+               "y" : 99
             },
             {
-               "y" : 71,
                "name" : "#016",
-               "drilldown" : "016"
+               "drilldown" : "016",
+               "y" : 71
             },
             {
                "name" : "#017",
-               "y" : 84,
-               "drilldown" : "017"
+               "drilldown" : "017",
+               "y" : 84
             },
             {
-               "name" : "#018",
                "y" : 81,
-               "drilldown" : "018"
+               "drilldown" : "018",
+               "name" : "#018"
             },
             {
-               "drilldown" : "019",
                "name" : "#019",
+               "drilldown" : "019",
                "y" : 103
             },
             {
-               "drilldown" : "020",
                "y" : 101,
+               "drilldown" : "020",
                "name" : "#020"
             },
             {
-               "name" : "#021",
                "y" : 72,
-               "drilldown" : "021"
+               "drilldown" : "021",
+               "name" : "#021"
             },
             {
+               "name" : "#022",
                "drilldown" : "022",
-               "y" : 68,
-               "name" : "#022"
+               "y" : 68
             },
             {
-               "drilldown" : "023",
+               "y" : 97,
                "name" : "#023",
-               "y" : 97
+               "drilldown" : "023"
             },
             {
-               "drilldown" : "024",
                "name" : "#024",
+               "drilldown" : "024",
                "y" : 74
             },
             {
+               "name" : "#025",
                "drilldown" : "025",
-               "y" : 59,
-               "name" : "#025"
+               "y" : 59
             },
             {
+               "drilldown" : "026",
                "name" : "#026",
-               "y" : 74,
-               "drilldown" : "026"
+               "y" : 74
             },
             {
-               "y" : 60,
                "name" : "#027",
-               "drilldown" : "027"
+               "drilldown" : "027",
+               "y" : 60
             },
             {
-               "drilldown" : "028",
+               "y" : 80,
                "name" : "#028",
-               "y" : 80
+               "drilldown" : "028"
             },
             {
-               "y" : 79,
+               "drilldown" : "029",
                "name" : "#029",
-               "drilldown" : "029"
+               "y" : 79
             },
             {
-               "drilldown" : "030",
+               "y" : 117,
                "name" : "#030",
-               "y" : 117
+               "drilldown" : "030"
             },
             {
-               "y" : 89,
                "name" : "#031",
-               "drilldown" : "031"
+               "drilldown" : "031",
+               "y" : 89
             },
             {
                "drilldown" : "032",
-               "y" : 94,
-               "name" : "#032"
+               "name" : "#032",
+               "y" : 94
             },
             {
-               "drilldown" : "033",
+               "y" : 110,
                "name" : "#033",
-               "y" : 110
+               "drilldown" : "033"
             },
             {
-               "drilldown" : "034",
                "y" : 64,
-               "name" : "#034"
+               "name" : "#034",
+               "drilldown" : "034"
             },
             {
-               "drilldown" : "035",
                "y" : 64,
-               "name" : "#035"
+               "name" : "#035",
+               "drilldown" : "035"
             },
             {
+               "drilldown" : "036",
                "name" : "#036",
-               "y" : 68,
-               "drilldown" : "036"
+               "y" : 68
             },
             {
                "drilldown" : "037",
-               "y" : 67,
-               "name" : "#037"
+               "name" : "#037",
+               "y" : 67
             },
             {
-               "drilldown" : "038",
+               "y" : 68,
                "name" : "#038",
-               "y" : 68
+               "drilldown" : "038"
             },
             {
-               "drilldown" : "039",
                "y" : 62,
+               "drilldown" : "039",
                "name" : "#039"
             },
             {
@@ -226,28 +206,28 @@
                "y" : 73
             },
             {
-               "y" : 76,
+               "drilldown" : "041",
                "name" : "#041",
-               "drilldown" : "041"
+               "y" : 76
             },
             {
-               "drilldown" : "042",
+               "y" : 92,
                "name" : "#042",
-               "y" : 92
+               "drilldown" : "042"
             },
             {
+               "y" : 68,
                "drilldown" : "043",
-               "name" : "#043",
-               "y" : 68
+               "name" : "#043"
             },
             {
+               "name" : "#044",
                "drilldown" : "044",
-               "y" : 85,
-               "name" : "#044"
+               "y" : 85
             },
             {
-               "drilldown" : "045",
                "name" : "#045",
+               "drilldown" : "045",
                "y" : 96
             },
             {
@@ -257,8 +237,8 @@
             },
             {
                "drilldown" : "047",
-               "y" : 84,
-               "name" : "#047"
+               "name" : "#047",
+               "y" : 84
             },
             {
                "drilldown" : "048",
@@ -266,29 +246,29 @@
                "y" : 108
             },
             {
-               "drilldown" : "049",
+               "y" : 89,
                "name" : "#049",
-               "y" : 89
+               "drilldown" : "049"
             },
             {
+               "drilldown" : "050",
                "name" : "#050",
-               "y" : 98,
-               "drilldown" : "050"
+               "y" : 98
             },
             {
-               "drilldown" : "051",
                "y" : 89,
-               "name" : "#051"
+               "name" : "#051",
+               "drilldown" : "051"
             },
             {
+               "name" : "#052",
                "drilldown" : "052",
-               "y" : 91,
-               "name" : "#052"
+               "y" : 91
             },
             {
                "drilldown" : "053",
-               "y" : 101,
-               "name" : "#053"
+               "name" : "#053",
+               "y" : 101
             },
             {
                "y" : 103,
@@ -296,19 +276,19 @@
                "drilldown" : "054"
             },
             {
-               "name" : "#055",
                "y" : 88,
-               "drilldown" : "055"
+               "drilldown" : "055",
+               "name" : "#055"
             },
             {
+               "y" : 95,
                "drilldown" : "056",
-               "name" : "#056",
-               "y" : 95
+               "name" : "#056"
             },
             {
+               "y" : 80,
                "drilldown" : "057",
-               "name" : "#057",
-               "y" : 80
+               "name" : "#057"
             },
             {
                "y" : 69,
@@ -316,19 +296,19 @@
                "drilldown" : "058"
             },
             {
-               "name" : "#059",
                "y" : 89,
+               "name" : "#059",
                "drilldown" : "059"
             },
             {
-               "y" : 85,
+               "drilldown" : "060",
                "name" : "#060",
-               "drilldown" : "060"
+               "y" : 85
             },
             {
-               "drilldown" : "061",
                "y" : 81,
-               "name" : "#061"
+               "name" : "#061",
+               "drilldown" : "061"
             },
             {
                "drilldown" : "062",
@@ -336,14 +316,14 @@
                "y" : 58
             },
             {
+               "y" : 89,
                "drilldown" : "063",
-               "name" : "#063",
-               "y" : 89
+               "name" : "#063"
             },
             {
+               "name" : "#064",
                "drilldown" : "064",
-               "y" : 80,
-               "name" : "#064"
+               "y" : 80
             },
             {
                "drilldown" : "065",
@@ -351,33 +331,33 @@
                "y" : 73
             },
             {
-               "y" : 84,
+               "drilldown" : "066",
                "name" : "#066",
-               "drilldown" : "066"
+               "y" : 84
             },
             {
                "y" : 90,
-               "name" : "#067",
-               "drilldown" : "067"
+               "drilldown" : "067",
+               "name" : "#067"
             },
             {
+               "name" : "#068",
                "drilldown" : "068",
-               "y" : 75,
-               "name" : "#068"
+               "y" : 75
             },
             {
+               "drilldown" : "069",
                "name" : "#069",
-               "y" : 83,
-               "drilldown" : "069"
+               "y" : 83
             },
             {
-               "drilldown" : "070",
                "y" : 93,
+               "drilldown" : "070",
                "name" : "#070"
             },
             {
-               "drilldown" : "071",
                "y" : 78,
+               "drilldown" : "071",
                "name" : "#071"
             },
             {
@@ -386,14 +366,14 @@
                "y" : 112
             },
             {
+               "drilldown" : "073",
                "name" : "#073",
-               "y" : 110,
-               "drilldown" : "073"
+               "y" : 110
             },
             {
                "y" : 115,
-               "name" : "#074",
-               "drilldown" : "074"
+               "drilldown" : "074",
+               "name" : "#074"
             },
             {
                "y" : 113,
@@ -401,198 +381,198 @@
                "drilldown" : "075"
             },
             {
-               "drilldown" : "076",
+               "y" : 99,
                "name" : "#076",
-               "y" : 99
+               "drilldown" : "076"
             },
             {
-               "drilldown" : "077",
                "y" : 98,
-               "name" : "#077"
+               "name" : "#077",
+               "drilldown" : "077"
             },
             {
-               "drilldown" : "078",
                "y" : 127,
-               "name" : "#078"
+               "name" : "#078",
+               "drilldown" : "078"
             },
             {
-               "y" : 122,
+               "drilldown" : "079",
                "name" : "#079",
-               "drilldown" : "079"
+               "y" : 122
             },
             {
-               "name" : "#080",
                "y" : 127,
-               "drilldown" : "080"
+               "drilldown" : "080",
+               "name" : "#080"
             },
             {
-               "y" : 114,
                "name" : "#081",
-               "drilldown" : "081"
+               "drilldown" : "081",
+               "y" : 114
             },
             {
                "y" : 114,
-               "name" : "#082",
-               "drilldown" : "082"
+               "drilldown" : "082",
+               "name" : "#082"
             },
             {
-               "name" : "#083",
                "y" : 127,
-               "drilldown" : "083"
+               "drilldown" : "083",
+               "name" : "#083"
             },
             {
-               "drilldown" : "084",
                "y" : 119,
+               "drilldown" : "084",
                "name" : "#084"
             },
             {
-               "name" : "#085",
                "y" : 114,
-               "drilldown" : "085"
+               "drilldown" : "085",
+               "name" : "#085"
             },
             {
                "drilldown" : "086",
-               "y" : 104,
-               "name" : "#086"
+               "name" : "#086",
+               "y" : 104
             },
             {
-               "y" : 101,
                "name" : "#087",
-               "drilldown" : "087"
+               "drilldown" : "087",
+               "y" : 101
             },
             {
                "y" : 121,
-               "name" : "#088",
-               "drilldown" : "088"
+               "drilldown" : "088",
+               "name" : "#088"
             },
             {
-               "drilldown" : "089",
                "y" : 113,
+               "drilldown" : "089",
                "name" : "#089"
             },
             {
-               "name" : "#090",
                "y" : 113,
+               "name" : "#090",
                "drilldown" : "090"
             },
             {
                "drilldown" : "091",
-               "y" : 108,
-               "name" : "#091"
+               "name" : "#091",
+               "y" : 108
             },
             {
-               "y" : 98,
+               "drilldown" : "092",
                "name" : "#092",
-               "drilldown" : "092"
+               "y" : 98
             },
             {
-               "drilldown" : "093",
                "y" : 87,
-               "name" : "#093"
+               "name" : "#093",
+               "drilldown" : "093"
             },
             {
-               "drilldown" : "094",
+               "y" : 87,
                "name" : "#094",
-               "y" : 87
+               "drilldown" : "094"
             },
             {
                "name" : "#095",
-               "y" : 108,
-               "drilldown" : "095"
+               "drilldown" : "095",
+               "y" : 108
             },
             {
                "name" : "#096",
-               "y" : 108,
-               "drilldown" : "096"
+               "drilldown" : "096",
+               "y" : 108
             },
             {
-               "name" : "#097",
                "y" : 111,
-               "drilldown" : "097"
+               "drilldown" : "097",
+               "name" : "#097"
             },
             {
-               "name" : "#098",
                "y" : 108,
-               "drilldown" : "098"
+               "drilldown" : "098",
+               "name" : "#098"
             },
             {
                "name" : "#099",
-               "y" : 97,
-               "drilldown" : "099"
+               "drilldown" : "099",
+               "y" : 97
             },
             {
                "name" : "#100",
-               "y" : 120,
-               "drilldown" : "100"
+               "drilldown" : "100",
+               "y" : 120
             },
             {
+               "drilldown" : "101",
                "name" : "#101",
-               "y" : 83,
-               "drilldown" : "101"
+               "y" : 83
             },
             {
-               "y" : 90,
                "name" : "#102",
-               "drilldown" : "102"
+               "drilldown" : "102",
+               "y" : 90
             },
             {
-               "drilldown" : "103",
                "name" : "#103",
+               "drilldown" : "103",
                "y" : 79
             },
             {
-               "name" : "#104",
                "y" : 85,
+               "name" : "#104",
                "drilldown" : "104"
             },
             {
-               "drilldown" : "105",
                "y" : 73,
+               "drilldown" : "105",
                "name" : "#105"
             },
             {
-               "drilldown" : "106",
+               "y" : 97,
                "name" : "#106",
-               "y" : 97
+               "drilldown" : "106"
             },
             {
-               "drilldown" : "107",
                "name" : "#107",
+               "drilldown" : "107",
                "y" : 90
             },
             {
-               "drilldown" : "108",
+               "y" : 94,
                "name" : "#108",
-               "y" : 94
+               "drilldown" : "108"
             },
             {
-               "y" : 107,
                "name" : "#109",
-               "drilldown" : "109"
+               "drilldown" : "109",
+               "y" : 107
             },
             {
                "drilldown" : "110",
-               "y" : 108,
-               "name" : "#110"
+               "name" : "#110",
+               "y" : 108
             },
             {
-               "y" : 91,
+               "drilldown" : "111",
                "name" : "#111",
-               "drilldown" : "111"
+               "y" : 91
             },
             {
-               "name" : "#112",
                "y" : 92,
-               "drilldown" : "112"
+               "drilldown" : "112",
+               "name" : "#112"
             },
             {
-               "name" : "#113",
                "y" : 92,
-               "drilldown" : "113"
+               "drilldown" : "113",
+               "name" : "#113"
             },
             {
-               "drilldown" : "114",
                "name" : "#114",
+               "drilldown" : "114",
                "y" : 108
             },
             {
@@ -606,30 +586,60 @@
                "drilldown" : "116"
             },
             {
-               "name" : "#117",
                "y" : 97,
-               "drilldown" : "117"
+               "drilldown" : "117",
+               "name" : "#117"
             },
             {
                "y" : 81,
-               "name" : "#118",
-               "drilldown" : "118"
+               "drilldown" : "118",
+               "name" : "#118"
             },
             {
+               "name" : "#119",