- Added solutions by Luca Ferrari.

10 files changed, 587 insertions, 568 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index b3ea2b6231..b45dae9cfe 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,26 +1,50 @@
 {
-   "title" : {
-      "text" : "Perl Weekly Challenge - 046"
+   "subtitle" : {
+      "text" : "[Champions: 4] Last updated at 2020-02-03 13:22:41 GMT"
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "name" : "Luca Ferrari",
+               "y" : 3,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "name" : "Roger Bell West",
+               "y" : 4,
+               "drilldown" : "Roger Bell West"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor",
+               "y" : 2
+            }
+         ],
+         "name" : "Perl Weekly Challenge - 046"
+      }
+   ],
+   "chart" : {
+      "type" : "column"
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 3] Last updated at 2020-02-03 13:19:02 GMT"
+   "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
    },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "Perl Weekly Challenge - 046"
    },
    "drilldown" : {
       "series" : [
@@ -35,6 +59,21 @@
             "name" : "E. Choroba"
          },
          {
+            "id" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Luca Ferrari"
+         },
+         {
+            "name" : "Roger Bell West",
             "data" : [
                [
                   "Perl",
@@ -45,51 +84,31 @@
                   2
                ]
             ],
-            "name" : "Roger Bell West",
             "id" : "Roger Bell West"
          },
          {
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Simon Proctor"
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor"
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 046",
-         "data" : [
-            {
-               "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Roger Bell West",
-               "name" : "Roger Bell West"
-            },
-            {
-               "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor",
-               "y" : 2
-            }
-         ]
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "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/>"
+   },
+   "legend" : {
+      "enabled" : 0
    },
    "xAxis" : {
       "type" : "category"
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index a48637cca0..aca3e52adc 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,41 +1,35 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2020-02-03 13:19:02 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "yAxis" : {
       "title" : {
          "text" : null
       },
       "min" : 0
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "chart" : {
+      "type" : "column"
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "subtitle" : {
+      "text" : "Last updated at 2020-02-03 13:22:41 GMT"
    },
    "series" : [
       {
          "dataLabels" : {
+            "format" : "{point.y:.0f}",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "align" : "right",
             "y" : 10,
-            "rotation" : -90
+            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "enabled" : "true",
+            "align" : "right"
          },
          "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               484
+               485
             ],
             [
                "Perl",
@@ -43,7 +37,7 @@
             ],
             [
                "Raku",
-               1133
+               1135
             ]
          ]
       }
@@ -51,13 +45,19 @@
    "xAxis" : {
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
       },
       "type" : "category"
    },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : "false"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index ea28a13a05..56854fe3f1 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,12 +1,13 @@
 {
    "series" : [
       {
+         "colorByPoint" : "true",
          "name" : "Perl Weekly Challenge Languages",
          "data" : [
             {
-               "y" : 140,
                "drilldown" : "001",
-               "name" : "#001"
+               "name" : "#001",
+               "y" : 140
             },
             {
                "drilldown" : "002",
@@ -14,24 +15,24 @@
                "y" : 109
             },
             {
-               "drilldown" : "003",
                "name" : "#003",
-               "y" : 71
+               "y" : 71,
+               "drilldown" : "003"
             },
             {
-               "name" : "#004",
                "drilldown" : "004",
+               "name" : "#004",
                "y" : 91
             },
             {
                "name" : "#005",
-               "drilldown" : "005",
-               "y" : 71
+               "y" : 71,
+               "drilldown" : "005"
             },
             {
-               "y" : 48,
+               "drilldown" : "006",
                "name" : "#006",
-               "drilldown" : "006"
+               "y" : 48
             },
             {
                "drilldown" : "007",
@@ -39,24 +40,24 @@
                "y" : 56
             },
             {
+               "y" : 70,
                "name" : "#008",
-               "drilldown" : "008",
-               "y" : 70
+               "drilldown" : "008"
             },
             {
-               "drilldown" : "009",
+               "y" : 68,
                "name" : "#009",
-               "y" : 68
+               "drilldown" : "009"
             },
             {
-               "y" : 60,
                "name" : "#010",
+               "y" : 60,
                "drilldown" : "010"
             },
             {
                "drilldown" : "011",
-               "name" : "#011",
-               "y" : 79
+               "y" : 79,
+               "name" : "#011"
             },
             {
                "drilldown" : "012",
@@ -69,69 +70,69 @@
                "y" : 76
             },
             {
+               "name" : "#014",
                "y" : 96,
-               "drilldown" : "014",
-               "name" : "#014"
+               "drilldown" : "014"
             },
             {
-               "drilldown" : "015",
                "name" : "#015",
-               "y" : 93
+               "y" : 93,
+               "drilldown" : "015"
             },
             {
-               "y" : 66,
                "name" : "#016",
+               "y" : 66,
                "drilldown" : "016"
             },
             {
-               "name" : "#017",
                "drilldown" : "017",
+               "name" : "#017",
                "y" : 79
             },
             {
+               "y" : 76,
                "name" : "#018",
-               "drilldown" : "018",
-               "y" : 76
+               "drilldown" : "018"
             },
             {
-               "y" : 95,
+               "drilldown" : "019",
                "name" : "#019",
-               "drilldown" : "019"
+               "y" : 95
             },
             {
-               "y" : 95,
                "drilldown" : "020",
+               "y" : 95,
                "name" : "#020"
             },
             {
                "y" : 67,
-               "drilldown" : "021",
-               "name" : "#021"
+               "name" : "#021",
+               "drilldown" : "021"
             },
             {
-               "name" : "#022",
                "drilldown" : "022",
-               "y" : 63
+               "y" : 63,
+               "name" : "#022"
             },
             {
+               "y" : 91,
                "name" : "#023",
-               "drilldown" : "023",
-               "y" : 91
+               "drilldown" : "023"
             },
             {
+               "drilldown" : "024",
                "y" : 70,
-               "name" : "#024",
-               "drilldown" : "024"
+               "name" : "#024"
             },
             {
-               "y" : 55,
                "drilldown" : "025",
-               "name" : "#025"
+               "name" : "#025",
+               "y" : 55
             },
             {
                "drilldown" : "026",
-               "name" : "#026",
-               "y" : 70
+               "y" : 70,
+               "name" : "#026"
             },
             {
                "y" : 58,
@@ -139,125 +140,125 @@
                "drilldown" : "027"
             },
             {
-               "drilldown" : "028",
                "name" : "#028",
-               "y" : 78
+               "y" : 78,
+               "drilldown" : "028"
             },
             {
+               "y" : 77,
                "name" : "#029",
-               "drilldown" : "029",
-               "y" : 77
+               "drilldown" : "029"
             },
             {
-               "name" : "#030",
                "drilldown" : "030",
-               "y" : 115
+               "y" : 115,
+               "name" : "#030"
             },
             {
-               "y" : 87,
                "drilldown" : "031",
+               "y" : 87,
                "name" : "#031"
             },
             {
-               "name" : "#032",
                "drilldown" : "032",
-               "y" : 92
+               "y" : 92,
+               "name" : "#032"
             },
             {
+               "y" : 108,
                "name" : "#033",
-               "drilldown" : "033",
-               "y" : 108
+               "drilldown" : "033"
             },
             {
                "drilldown" : "034",
-               "name" : "#034",
-               "y" : 60
+               "y" : 60,
+               "name" : "#034"
             },
             {
+               "drilldown" : "035",
                "y" : 60,
-               "name" : "#035",
-               "drilldown" : "035"
+               "name" : "#035"
             },
             {
+               "drilldown" : "036",
                "y" : 61,
-               "name" : "#036",
-               "drilldown" : "036"
+               "name" : "#036"
             },
             {
                "y" : 63,
-               "drilldown" : "037",
-               "name" : "#037"
+               "name" : "#037",
+               "drilldown" : "037"
             },
             {
-               "name" : "#038",
                "drilldown" : "038",
+               "name" : "#038",
                "y" : 60
             },
             {
+               "drilldown" : "039",
                "y" : 60,
-               "name" : "#039",
-               "drilldown" : "039"
+               "name" : "#039"
             },
             {
-               "y" : 66,
                "name" : "#040",
+               "y" : 66,
                "drilldown" : "040"
             },
             {
+               "y" : 69,
                "name" : "#041",
-               "drilldown" : "041",
-               "y" : 69
+               "drilldown" : "041"
             },
             {
+               "drilldown" : "042",
                "y" : 88,
-               "name" : "#042",
-               "drilldown" : "042"
+               "name" : "#042"
             },
             {
                "drilldown" : "043",
-               "name" : "#043",
-               "y" : 64
+               "y" : 64,
+               "name" : "#043"
             },
             {
-               "y" : 75,
+               "drilldown" : "044",
                "name" : "#044",
-               "drilldown" : "044"
+               "y" : 75
             },
             {
-               "y" : 91,
+               "drilldown" : "045",
                "name" : "#045",
-               "drilldown" : "045"
+               "y" : 91
             },
             {
-               "y" : 8,
-               "name" : "#046",
-               "drilldown" : "046"
+               "drilldown" : "046",
+               "y" : 11,
+               "name" : "#046"
             }
-         ],
-         "colorByPoint" : "true"
+         ]
       }
    ],
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : "true",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>"
-   },
-   "xAxis" : {
-      "type" : "category"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-02-03 13:22:41 GMT"
    },
    "chart" : {
       "type" : "column"
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-02-03 13:19:02 GMT"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
-   "legend" : {
-      "enabled" : "false"
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -272,10 +273,10 @@
                   11
                ]
             ],
-            "name" : "001"
+            "name" : "001",
+            "id" : "001"
          },
          {
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -290,6 +291,7 @@
                   10
                ]
             ],
+            "name" : "002",
             "id" : "002"
          },
          {
@@ -311,6 +313,7 @@
             "name" : "003"
          },
          {
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -325,11 +328,9 @@
                   10
                ]
             ],
-            "name" : "004",
             "id" : "004"
          },
          {
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -344,9 +345,11 @@
                   12
                ]
             ],
+            "name" : "005",
             "id" : "005"
          },
          {
+            "id" : "006",
             "name" : "006",
             "data" : [
                [
@@ -361,8 +364,7 @@
                   "Blog",
                   7
                ]
-            ],
-            "id" : "006"
+            ]
          },
          {
             "id" : "007",
@@ -383,6 +385,7 @@
             "name" : "007"
          },
          {
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -397,10 +400,11 @@
                   12
                ]
             ],
-            "name" : "008",
             "id" : "008"
          },
          {
+            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -414,9 +418,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009",
-            "id" : "009"
+            ]
          },
          {
             "id" : "010",
@@ -437,6 +439,7 @@
             "name" : "010"
          },
          {
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -451,11 +454,10 @@
                   10
                ]
             ],
-            "name" : "011",
-            "id" : "011"
+            "name" : "011"
          },
          {
-            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -470,7 +472,7 @@
                   11
                ]
             ],
-            "id" : "012"
+            "name" : "012"
          },
          {
             "id" : "013",
@@ -509,7 +511,6 @@
             ]
          },
          {
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -524,6 +525,7 @@
                   15
                ]
             ],
+            "name" : "015",
             "id" : "015"
          },
          {
@@ -545,8 +547,6 @@
             ]
          },
          {
-            "id" : "017",
-            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -560,11 +560,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "017",
+            "id" : "017"
          },
          {
             "id" : "018",
-            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -578,10 +579,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "018"
          },
          {
-            "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -596,10 +598,11 @@
                   13
                ]
             ],
-            "name" : "019"
+            "id" : "019"
          },
          {
             "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -613,11 +616,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020"
+            ]
          },
          {
-            "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -632,10 +634,11 @@
                   10
                ]
             ],
-            "id" : "021"
+            "name" : "021"
          },
          {
             "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -649,10 +652,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "022"
+            ]
          },
          {
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -667,10 +670,10 @@
                   12
                ]
             ],
-            "name" : "023",
             "id" : "023"
          },
          {
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -685,11 +688,9 @@
                   11
                ]
             ],
-            "name" : "024",
-            "id" : "024"
+            "name" : "024"
          },
          {
-            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -704,6 +705,7 @@
                   12
                ]
             ],
+            "name" : "025",
             "id" : "025"
          },
          {
@@ -726,6 +728,7 @@
          },
          {
             "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -739,8 +742,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "027"
+            ]
          },
          {
             "id" : "028",
@@ -761,7 +763,6 @@
             ]
          },
          {
-            "id" : "029",
             "name" : "029",
             "data" : [
                [
@@ -776,10 +777,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029"
          },
          {
             "id" : "030",
+            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -793,12 +796,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "030"
+            ]
          },
          {
             "id" : "031",
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -812,9 +813,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031"
          },
          {
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -829,7 +832,6 @@
                   10
                ]
             ],
-            "name" : "032",
             "id" : "032"
          },
          {
@@ -851,7 +853,6 @@
             "id" : "033"
          },
          {
-            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -866,10 +867,12 @@
                   11
                ]
             ],
+            "name" : "034",
             "id" : "034"
          },
          {
             "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -883,10 +886,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "035"
+            ]
          },
          {
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -901,11 +904,10 @@
                   10
                ]
             ],
-            "name" : "036",
             "id" : "036"
          },
          {
-            "name" : "037",
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -920,11 +922,10 @@
                   9
                ]
             ],
-            "id" : "037"
+            "name" : "037"
          },
          {
             "id" : "038",
-            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -938,10 +939,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "038"
          },
          {
-            "id" : "039",
+            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -956,10 +958,9 @@
                   12
                ]
             ],
-            "name" : "039"
+            "id" : "039"
          },
          {
-            "id" : "040",
             "name" : "040",
             "data" : [
                [
@@ -974,9 +975,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "040"
          },
          {
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -991,12 +994,9 @@
                   8
                ]
             ],
-            "name" : "041",
             "id" : "041"
          },
          {
-            "id" : "042",
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -1010,10 +1010,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042",
+            "id" : "042"
          },
          {
-            "name" : "043",
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -1028,11 +1030,9 @@
                   9
                ]
             ],
-            "id" : "043"
+            "name" : "043"
          },
          {
-            "id" : "044",
-            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -1046,9 +1046,12 @@
                   "Blog",
                   8
                ]
-            ]
+            ],
+            "name" : "044",
+            "id" : "044"
          },
          {
+            "id" : "045",
             "name" : "045",
             "data" : [
                [
@@ -1063,12 +1066,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "045"
+            ]
          },
          {
-            "id" : "046",
-            "name" : "046",
             "data" : [
                [
                   "Perl",
@@ -1076,23 +1076,23 @@
                ],
                [
                   "Raku",
-                  4
+                  6
                ],
                [
                   "Blog",
-                  0
+                  1
                ]
-            ]
+            ],
+            "name" : "046",
+            "id" : "046"
          }
       ]
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
+   "legend" : {
+      "enabled" : "false"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "xAxis" : {
+      "type" : "category"
    },
    "plotOptions" : {
       "series" : {
diff --git a/stats/pwc-leaders.json b/stats/pwc-leaders.json
index 96c852f3db..329e6890fe 100644
--- a/stats/pwc-leaders.json
+++ b/stats/pwc-leaders.json
@@ -1,26 +1,27 @@
 {
    "series" : [
       {
+         "name" : "Perl Weekly Challenge Leaders",
          "data" : [
             {
                "y" : 556,
-               "drilldown" : "Laurent Rosenfeld",
-               "name" : "#1: Laurent Rosenfeld"
+               "name" : "#1: Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld"
             },
             {
-