- Added solutions by Luca Ferrari.

10 files changed, 867 insertions, 848 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 2a7213aae6..086fe9f14d 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,78 +1,97 @@
 {
-   "subtitle" : {
-      "text" : "[Champions: 2] Last updated at 2020-02-24 11:57:01 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "tooltip" : {
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "series" : [
       {
+         "name" : "Perl Weekly Challenge - 049",
          "colorByPoint" : 1,
          "data" : [
             {
-               "name" : "Peter Scott",
+               "name" : "Luca Ferrari",
+               "y" : 4,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
                "drilldown" : "Peter Scott",
+               "name" : "Peter Scott",
                "y" : 1
             },
             {
                "y" : 2,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
+               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor"
             }
-         ],
-         "name" : "Perl Weekly Challenge - 049"
+         ]
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 049"
-   },
-   "xAxis" : {
-      "type" : "category"
+   "subtitle" : {
+      "text" : "[Champions: 3] Last updated at 2020-02-24 12:00:36 GMT"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Peter Scott",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Peter Scott",
             "id" : "Peter Scott"
          },
          {
-            "id" : "Simon Proctor",
             "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Simon Proctor"
          }
       ]
+   },
+   "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/>"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 049"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 612092a0e1..8830ff1abf 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -6,41 +6,45 @@
       "type" : "column"
    },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
             "fontSize" : "13px",
             "fontFamily" : "Verdana, sans-serif"
          }
-      },
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-02-24 11:57:01 GMT"
+      }
    },
-   "legend" : {
-      "enabled" : "false"
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
    },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2020-02-24 12:00:36 GMT"
+   },
    "series" : [
       {
          "dataLabels" : {
-            "rotation" : -90,
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
+            "align" : "right",
             "format" : "{point.y:.0f}",
             "enabled" : "true",
-            "y" : 10,
-            "align" : "right",
-            "color" : "#FFFFFF"
+            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "y" : 10
          },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               517
+               519
             ],
             [
                "Perl",
@@ -48,16 +52,12 @@
             ],
             [
                "Raku",
-               1227
+               1229
             ]
-         ],
-         "name" : "Contributions"
+         ]
       }
    ],
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
+   "legend" : {
+      "enabled" : "false"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 1d4aaa3206..36cb273bb3 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,123 +1,132 @@
 {
-   "legend" : {
-      "enabled" : "false"
+   "chart" : {
+      "type" : "column"
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-02-24 11:57:01 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "series" : [
       {
+         "colorByPoint" : "true",
          "name" : "Perl Weekly Challenge Languages",
          "data" : [
             {
-               "drilldown" : "001",
+               "y" : 140,
                "name" : "#001",
-               "y" : 140
+               "drilldown" : "001"
             },
             {
+               "y" : 109,
                "name" : "#002",
-               "drilldown" : "002",
-               "y" : 109
+               "drilldown" : "002"
             },
             {
-               "name" : "#003",
                "drilldown" : "003",
+               "name" : "#003",
                "y" : 71
             },
             {
-               "y" : 91,
                "name" : "#004",
+               "y" : 91,
                "drilldown" : "004"
             },
             {
+               "y" : 71,
                "name" : "#005",
-               "drilldown" : "005",
-               "y" : 71
+               "drilldown" : "005"
             },
             {
                "name" : "#006",
-               "drilldown" : "006",
-               "y" : 48
+               "y" : 48,
+               "drilldown" : "006"
             },
             {
-               "drilldown" : "007",
+               "y" : 56,
                "name" : "#007",
-               "y" : 56
+               "drilldown" : "007"
             },
             {
                "drilldown" : "008",
-               "name" : "#008",
-               "y" : 70
+               "y" : 70,
+               "name" : "#008"
             },
             {
-               "drilldown" : "009",
                "name" : "#009",
-               "y" : 68
+               "y" : 68,
+               "drilldown" : "009"
             },
             {
                "y" : 60,
-               "drilldown" : "010",
-               "name" : "#010"
+               "name" : "#010",
+               "drilldown" : "010"
             },
             {
+               "y" : 79,
                "name" : "#011",
-               "drilldown" : "011",
-               "y" : 79
+               "drilldown" : "011"
             },
             {
-               "y" : 83,
+               "drilldown" : "012",
                "name" : "#012",
-               "drilldown" : "012"
+               "y" : 83
             },
             {
-               "name" : "#013",
                "drilldown" : "013",
-               "y" : 76
+               "y" : 76,
+               "name" : "#013"
             },
             {
-               "y" : 96,
+               "drilldown" : "014",
                "name" : "#014",
-               "drilldown" : "014"
+               "y" : 96
             },
             {
-               "y" : 93,
                "name" : "#015",
+               "y" : 93,
                "drilldown" : "015"
             },
             {
                "y" : 66,
-               "drilldown" : "016",
-               "name" : "#016"
+               "name" : "#016",
+               "drilldown" : "016"
             },
             {
                "drilldown" : "017",
-               "name" : "#017",
-               "y" : 79
+               "y" : 79,
+               "name" : "#017"
             },
             {
-               "name" : "#018",
                "drilldown" : "018",
-               "y" : 76
+               "y" : 76,
+               "name" : "#018"
             },
             {
+               "name" : "#019",
                "y" : 95,
-               "drilldown" : "019",
-               "name" : "#019"
+               "drilldown" : "019"
             },
             {
+               "name" : "#020",
                "y" : 95,
-               "drilldown" : "020",
-               "name" : "#020"
+               "drilldown" : "020"
             },
             {
+               "drilldown" : "021",
                "y" : 67,
-               "name" : "#021",
-               "drilldown" : "021"
+               "name" : "#021"
             },
             {
-               "drilldown" : "022",
+               "y" : 63,
                "name" : "#022",
-               "y" : 63
+               "drilldown" : "022"
             },
             {
                "drilldown" : "023",
@@ -125,34 +134,34 @@
                "y" : 91
             },
             {
-               "name" : "#024",
                "drilldown" : "024",
+               "name" : "#024",
                "y" : 70
             },
             {
                "name" : "#025",
-               "drilldown" : "025",
-               "y" : 55
+               "y" : 55,
+               "drilldown" : "025"
             },
             {
+               "drilldown" : "026",
                "y" : 70,
-               "name" : "#026",
-               "drilldown" : "026"
+               "name" : "#026"
             },
             {
                "y" : 58,
-               "drilldown" : "027",
-               "name" : "#027"
+               "name" : "#027",
+               "drilldown" : "027"
             },
             {
-               "drilldown" : "028",
+               "y" : 78,
                "name" : "#028",
-               "y" : 78
+               "drilldown" : "028"
             },
             {
                "drilldown" : "029",
-               "name" : "#029",
-               "y" : 77
+               "y" : 77,
+               "name" : "#029"
             },
             {
                "y" : 115,
@@ -160,9 +169,9 @@
                "drilldown" : "030"
             },
             {
+               "y" : 87,
                "name" : "#031",
-               "drilldown" : "031",
-               "y" : 87
+               "drilldown" : "031"
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             {
                "drilldown" : "032",
@@ -175,122 +184,92 @@
                "y" : 108
             },
             {
-               "name" : "#034",
                "drilldown" : "034",
+               "name" : "#034",
                "y" : 60
             },
             {
-               "y" : 60,
                "drilldown" : "035",
-               "name" : "#035"
+               "name" : "#035",
+               "y" : 60
             },
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-               "name" : "#036",
                "drilldown" : "036",
+               "name" : "#036",
                "y" : 61
             },
             {
-               "name" : "#037",
                "drilldown" : "037",
+               "name" : "#037",
                "y" : 63
             },
             {
                "drilldown" : "038",
-               "name" : "#038",
-               "y" : 60
+               "y" : 60,
+               "name" : "#038"
             },
             {
-               "y" : 60,
                "drilldown" : "039",
-               "name" : "#039"
+               "name" : "#039",
+               "y" : 60
             },
             {
-               "name" : "#040",
                "drilldown" : "040",
-               "y" : 66
+               "y" : 66,
+               "name" : "#040"
             },
             {
-               "drilldown" : "041",
                "name" : "#041",
-               "y" : 69
+               "y" : 69,
+               "drilldown" : "041"
             },
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-               "y" : 88,
                "drilldown" : "042",
+               "y" : 88,
                "name" : "#042"
             },
             {
-               "name" : "#043",
                "drilldown" : "043",
-               "y" : 65
+               "y" : 65,
+               "name" : "#043"
             },
             {
                "name" : "#044",
-               "drilldown" : "044",
-               "y" : 81
+               "y" : 81,
+               "drilldown" : "044"
             },
             {
+               "name" : "#045",
                "y" : 94,
-               "drilldown" : "045",
-               "name" : "#045"
+               "drilldown" : "045"
             },
             {
+               "drilldown" : "046",
                "y" : 82,
-               "name" : "#046",
-               "drilldown" : "046"
+               "name" : "#046"
             },
             {
-               "y" : 80,
                "drilldown" : "047",
-               "name" : "#047"
+               "name" : "#047",
+               "y" : 80
             },
             {
-               "drilldown" : "048",
+               "y" : 101,
                "name" : "#048",
-               "y" : 101
+               "drilldown" : "048"
             },
             {
-               "drilldown" : "049",
                "name" : "#049",
-               "y" : 3
+               "y" : 7,
+               "drilldown" : "049"
             }
-         ],
-         "colorByPoint" : "true"
+         ]
       }
    ],
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "tooltip" : {
-      "followPointer" : "true",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
-   },
    "drilldown" : {
       "series" : [
          {
             "id" : "001",
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -304,10 +283,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001"
          },
          {
             "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -321,10 +302,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "002"
+            ]
          },
          {
+            "id" : "003",
             "name" : "003",
             "data" : [
                [
@@ -339,10 +320,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003"
+            ]
          },
          {
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -357,10 +338,10 @@
                   10
                ]
             ],
-            "name" : "004",
             "id" : "004"
          },
          {
+            "id" : "005",
             "name" : "005",
             "data" : [
                [
@@ -375,10 +356,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005"
+            ]
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -392,11 +374,10 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006",
-            "id" : "006"
+            ]
          },
          {
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -411,12 +392,9 @@
                   10
                ]
             ],
-            "name" : "007",
-            "id" : "007"
+            "name" : "007"
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-            "id" : "008",
-            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -430,10 +408,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008",
+            "id" : "008"
          },
          {
-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -448,6 +427,7 @@
                   13
                ]
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+            "name" : "009",
             "id" : "009"
          },
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@@ -470,7 +450,6 @@
          },
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             "id" : "011",
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -484,10 +463,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "011"
          },
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-            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -502,10 +481,10 @@
                   11
                ]
             ],
-            "name" : "012"
+            "name" : "012",
+            "id" : "012"
          },
          {
-            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -520,10 +499,11 @@
                   13
                ]
             ],
+            "name" : "013",
             "id" : "013"
          },
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-            "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -538,10 +518,9 @@
                   15
                ]
             ],
-            "name" : "014"
+            "id" : "014"
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          {
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -556,6 +535,7 @@
                   15
                ]
             ],
+            "name" : "015",
             "id" : "015"
          },
          {
@@ -595,7 +575,7 @@
             "id" : "017"
          },
          {
-            "name" : "018",
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -610,10 +590,9 @@
                   14
                ]
             ],
-            "id" : "018"
+            "name" : "018"
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-            "name" : "019",
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                [
                   "Perl",
@@ -628,11 +607,10 @@
                   13
                ]
             ],
+            "name" : "019",
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-            "id" : "020",
-            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -646,9 +624,12 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "020",
+            "id" : "020"
          },
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+            "id" : "021",
             "name" : "021",
             "data" : [
                [
@@ -663,11 +644,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "021"
+            ]
          },
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-            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -682,6 +661,7 @@
                   10
                ]
             ],
+            "name" : "022",
             "id" : "022"
          },
          {
@@ -703,6 +683,7 @@
             "id" : "023"
          },
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+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -717,10 +698,10 @@
                   11
                ]
             ],
-            "name" : "024",
             "id" : "024"
          },
          {
+            "id" : "025",
             "name" : "025",
             "data" : [
                [
@@ -735,11 +716,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025"
+            ]
          },
          {
-            "name" : "026",
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -754,11 +734,9 @@
                   10
                ]
             ],
-            "id" : "026"
+            "name" : "026"
          },
          {
-            "id" : "027",
-            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -772,9 +750,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "027",
+            "id" : "027"
          },
          {
+            "id" : "028",
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -788,9 +770,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "028",
-            "id" : "028"
+            ]
          },
          {
             "id" : "029",
@@ -811,6 +791,7 @@
             ]
          },
          {
+            "id" : "030",
             "name" : "030",
             "data" : [
                [
@@ -825,8 +806,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "030"
+            ]
          },
          {
             "name" : "031",
@@ -847,7 +827,7 @@
             "id" : "031"
          },
          {
-            "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -862,7 +842,7 @@
                   10
                ]
             ],
-            "name" : "032"
+            "id" : "032"
          },
          {
             "data" : [
@@ -901,6 +881,7 @@
             "id" : "034"
          },
          {
+            "id" : "035",
             "name" : "035",
             "data" : [
                [
@@ -915,12 +896,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "035"
+            ]
          },
          {
             "id" : "036",
-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -934,9 +913,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "036"
          },
          {
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -951,10 +932,10 @@
                   9
                ]
             ],
-            "name" : "037",
-            "id" : "037"
+            "name" : "037"
          },
          {
+            "id" : "038",
             "name" : "038",
             "data" : [
                [
@@ -969,12 +950,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "038"
+            ]
          },
          {
-            "id" : "039",
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -988,7 +966,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "039",
+            "id" : "039"
          },
          {
             "id" : "040",
@@ -1009,6 +989,7 @@
             ]
          },
          {
+            "id" : "041",
             "name" : "041",
             "data" : [
                [
@@ -1023,11 +1004,10 @@
                   "Blog",
                   8
                ]
-            ],
-            "id" : "041"
+            ]
          },
          {
-            "id" : "042",
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -1042,9 +1022,10 @@
                   11
                ]
             ],
-            "name" : "042"
+            "id" : "042"
          },
          {
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -1059,10 +1040,10 @@
                   10
                ]
             ],
-            "name" : "043",
-            "id" : "043"
+            "name" : "043"
          },
          {
+            "id" : "044",
             "name" : "044",
             "data" : [
                [
@@ -1077,11 +1058,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "044"
+            ]
          },
          {
             "id" : "045",
+            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -1095,10 +1076,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "045"
+            ]
          },
          {
+            "id" : "046",
+            "name" : "046",
             "data" : [
                [
                   "Perl",
@@ -1112,12 +1094,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "046",
-            "id" : "046"
+            ]
          },
          {
-            "id" : "047",
+            "name" : "047",
             "data" : [
                [
                   "Perl",
@@ -1132,7 +1112,7 @@
                   9
                ]
             ],
-            "name" : "047"
+            "id" : "047"
          },
          {
             "id" : "048",
@@ -1153,6 +1133,7 @@
             "name" : "048"
          },
          {
+            "id" : "049",
             "name" : "049",
             "data" : [
                [
@@ -1161,15 +1142,34 @@
                ],
                [
                   "Raku",
-                  2
+                  4
                ],
                [
                   "Blog",
-                  0
+                  2
                ]
-            ],
-            "id" : "049"
+            ]
          }
       ]
+   },
+   "subtitle" : {
+      "text" : "Click the colum