- Added solution by Leo Manfredi.

11 files changed, 1434 insertions, 1419 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 2c6a3725ae..467998e1ee 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,17 +1,92 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
       }
    },
-   "chart" : {
-      "type" : "column"
-   },
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge - 067",
+         "data" : [
+            {
+               "name" : "Andrew Shitov",
+               "y" : 2,
+               "drilldown" : "Andrew Shitov"
+            },
+            {
+               "y" : 2,
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "Leo Manfredi",
+               "y" : 1,
+               "name" : "Leo Manfredi"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "y" : 4,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "name" : "Simon Miner",
+               "y" : 2,
+               "drilldown" : "Simon Miner"
+            },
+            {
+               "name" : "Simon Proctor",
+               "y" : 2,
+               "drilldown" : "Simon Proctor"
+            },
+            {
+               "y" : 3,
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc",
+               "y" : 2
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
    "tooltip" : {
-      "followPointer" : 1,
       "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/>"
    },
+   "subtitle" : {
+      "text" : "[Champions: 11] Last updated at 2020-06-30 09:54:12 GMT"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 067"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "drilldown" : {
       "series" : [
          {
@@ -35,6 +110,18 @@
             "id" : "Dave Jacoby"
          },
          {
+            "id" : "Leo Manfredi",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Leo Manfredi"
+         },
+         {
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -44,19 +131,17 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari"
+            ]
          },
          {
             "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson"
+            ]
          },
          {
             "name" : "Niels van Dijke",
@@ -69,34 +154,34 @@
             "id" : "Niels van Dijke"
          },
          {
+            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Roger Bell_West"
+            ]
          },
          {
             "name" : "Simon Miner",
+            "id" : "Simon Miner",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Simon Miner"
+            ]
          },
          {
             "name" : "Simon Proctor",
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Simon Proctor"
          },
          {
             "name" : "Ulrich Rieke",
@@ -113,94 +198,24 @@
             "id" : "Ulrich Rieke"
          },
          {
-            "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Wanderdoc"
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc"
          }
       ]
    },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "drilldown" : "Andrew Shitov",
-               "name" : "Andrew Shitov",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "y" : 4,
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "name" : "Mark Anderson",
-               "y" : 2,
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "y" : 2,
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "name" : "Simon Miner",
-               "y" : 2,
-               "drilldown" : "Simon Miner"
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 3,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "name" : "Wanderdoc",
-               "y" : 2,
-               "drilldown" : "Wanderdoc"
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 067"
-      }
-   ],
    "xAxis" : {
       "type" : "category"
    },
+   "chart" : {
+      "type" : "column"
+   },
    "legend" : {
       "enabled" : 0
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 067"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 10] Last updated at 2020-06-30 09:51:29 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index e5f9352d4a..a2361bf3ce 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,25 +1,7 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2020-06-30 09:51:29 GMT"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
    "series" : [
       {
          "name" : "Contributions",
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "align" : "right",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "rotation" : -90,
-            "enabled" : "true",
-            "y" : 10
-         },
          "data" : [
             [
                "Blog",
@@ -27,37 +9,55 @@
             ],
             [
                "Perl",
-               2762
+               2763
             ],
             [
                "Raku",
                1761
             ]
-         ]
+         ],
+         "dataLabels" : {
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "align" : "right",
+            "rotation" : -90,
+            "y" : 10,
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
+            "enabled" : "true"
+         }
       }
    ],
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-06-30 09:54:12 GMT"
+   },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
-      },
-      "type" : "category"
+      }
    },
    "legend" : {
       "enabled" : "false"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
    "chart" : {
       "type" : "column"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 4e8b829df4..15b78237be 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -2,370 +2,10 @@
    "xAxis" : {
       "type" : "category"
    },
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge Languages",
-         "colorByPoint" : "true",
-         "data" : [
-            {
-               "name" : "#001",
-               "y" : 142,
-               "drilldown" : "001"
-            },
-            {
-               "drilldown" : "002",
-               "y" : 109,
-               "name" : "#002"
-            },
-            {
-               "drilldown" : "003",
-               "y" : 71,
-               "name" : "#003"
-            },
-            {
-               "drilldown" : "004",
-               "y" : 91,
-               "name" : "#004"
-            },
-            {
-               "drilldown" : "005",
-               "y" : 72,
-               "name" : "#005"
-            },
-            {
-               "drilldown" : "006",
-               "name" : "#006",
-               "y" : 52
-            },
-            {
-               "drilldown" : "007",
-               "y" : 59,
-               "name" : "#007"
-            },
-            {
-               "y" : 72,
-               "name" : "#008",
-               "drilldown" : "008"
-            },
-            {
-               "drilldown" : "009",
-               "y" : 68,
-               "name" : "#009"
-            },
-            {
-               "y" : 60,
-               "name" : "#010",
-               "drilldown" : "010"
-            },
-            {
-               "name" : "#011",
-               "y" : 79,
-               "drilldown" : "011"
-            },
-            {
-               "y" : 83,
-               "name" : "#012",
-               "drilldown" : "012"
-            },
-            {
-               "drilldown" : "013",
-               "y" : 76,
-               "name" : "#013"
-            },
-            {
-               "y" : 96,
-               "name" : "#014",
-               "drilldown" : "014"
-            },
-            {
-               "name" : "#015",
-               "y" : 93,
-               "drilldown" : "015"
-            },
-            {
-               "drilldown" : "016",
-               "y" : 66,
-               "name" : "#016"
-            },
-            {
-               "drilldown" : "017",
-               "name" : "#017",
-               "y" : 79
-            },
-            {
-               "name" : "#018",
-               "y" : 76,
-               "drilldown" : "018"
-            },
-            {
-               "drilldown" : "019",
-               "y" : 97,
-               "name" : "#019"
-            },
-            {
-               "y" : 95,
-               "name" : "#020",
-               "drilldown" : "020"
-            },
-            {
-               "drilldown" : "021",
-               "y" : 67,
-               "name" : "#021"
-            },
-            {
-               "name" : "#022",
-               "y" : 63,
-               "drilldown" : "022"
-            },
-            {
-               "name" : "#023",
-               "y" : 91,
-               "drilldown" : "023"
-            },
-            {
-               "drilldown" : "024",
-               "name" : "#024",
-               "y" : 70
-            },
-            {
-               "drilldown" : "025",
-               "y" : 55,
-               "name" : "#025"
-            },
-            {
-               "y" : 70,
-               "name" : "#026",
-               "drilldown" : "026"
-            },
-            {
-               "drilldown" : "027",
-               "y" : 58,
-               "name" : "#027"
-            },
-            {
-               "y" : 78,
-               "name" : "#028",
-               "drilldown" : "028"
-            },
-            {
-               "y" : 77,
-               "name" : "#029",
-               "drilldown" : "029"
-            },
-            {
-               "drilldown" : "030",
-               "name" : "#030",
-               "y" : 115
-            },
-            {
-               "drilldown" : "031",
-               "name" : "#031",
-               "y" : 87
-            },
-            {
-               "name" : "#032",
-               "y" : 92,
-               "drilldown" : "032"
-            },
-            {
-               "name" : "#033",
-               "y" : 108,
-               "drilldown" : "033"
-            },
-            {
-               "y" : 62,
-               "name" : "#034",
-               "drilldown" : "034"
-            },
-            {
-               "drilldown" : "035",
-               "y" : 62,
-               "name" : "#035"
-            },
-            {
-               "drilldown" : "036",
-               "y" : 66,
-               "name" : "#036"
-            },
-            {
-               "name" : "#037",
-               "y" : 65,
-               "drilldown" : "037"
-            },
-            {
-               "drilldown" : "038",
-               "name" : "#038",
-               "y" : 65
-            },
-            {
-               "drilldown" : "039",
-               "y" : 60,
-               "name" : "#039"
-            },
-            {
-               "drilldown" : "040",
-               "name" : "#040",
-               "y" : 71
-            },
-            {
-               "drilldown" : "041",
-               "y" : 74,
-               "name" : "#041"
-            },
-            {
-               "y" : 88,
-               "name" : "#042",
-               "drilldown" : "042"
-            },
-            {
-               "name" : "#043",
-               "y" : 66,
-               "drilldown" : "043"
-            },
-            {
-               "drilldown" : "044",
-               "name" : "#044",
-               "y" : 82
-            },
-            {
-               "name" : "#045",
-               "y" : 94,
-               "drilldown" : "045"
-            },
-            {
-               "drilldown" : "046",
-               "y" : 85,
-               "name" : "#046"
-            },
-            {
-               "drilldown" : "047",
-               "name" : "#047",
-               "y" : 82
-            },
-            {
-               "y" : 106,
-               "name" : "#048",
-               "drilldown" : "048"
-            },
-            {
-               "y" : 85,
-               "name" : "#049",
-               "drilldown" : "049"
-            },
-            {
-               "drilldown" : "050",
-               "name" : "#050",
-               "y" : 96
-            },
-            {
-               "name" : "#051",
-               "y" : 87,
-               "drilldown" : "051"
-            },
-            {
-               "name" : "#052",
-               "y" : 89,
-               "drilldown" : "052"
-            },
-            {
-               "y" : 99,
-               "name" : "#053",
-               "drilldown" : "053"
-            },
-            {
-               "drilldown" : "054",
-               "name" : "#054",
-               "y" : 99
-            },
-            {
-               "y" : 86,
-               "name" : "#055",
-               "drilldown" : "055"
-            },
-            {
-               "drilldown" : "056",
-               "y" : 93,
-               "name" : "#056"
-            },
-            {
-               "y" : 78,
-               "name" : "#057",
-               "drilldown" : "057"
-            },
-            {
-               "name" : "#058",
-               "y" : 61,
-               "drilldown" : "058"
-            },
-            {
-               "name" : "#059",
-               "y" : 82,
-               "drilldown" : "059"
-            },
-            {
-               "drilldown" : "060",
-               "name" : "#060",
-               "y" : 78
-            },
-            {
-               "drilldown" : "061",
-               "name" : "#061",
-               "y" : 79
-            },
-            {
-               "drilldown" : "062",
-               "y" : 54,
-               "name" : "#062"
-            },
-            {
-               "drilldown" : "063",
-               "y" : 87,
-               "name" : "#063"
-            },
-            {
-               "drilldown" : "064",
-               "name" : "#064",
-               "y" : 76
-            },
-            {
-               "drilldown" : "065",
-               "name" : "#065",
-               "y" : 71
-            },
-            {
-               "drilldown" : "066",
-               "y" : 81,
-               "name" : "#066"
-            },
-            {
-               "y" : 23,
-               "name" : "#067",
-               "drilldown" : "067"
-            }
-         ]
-      }
-   ],
-   "legend" : {
-      "enabled" : "false"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "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"
-   },
    "drilldown" : {
       "series" : [
          {
             "name" : "001",
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -379,10 +19,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001"
          },
          {
             "name" : "002",
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -396,11 +38,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "002"
+            ]
          },
          {
-            "name" : "003",
             "id" : "003",
             "data" : [
                [
@@ -415,7 +55,8 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "003"
          },
          {
             "data" : [
@@ -454,6 +95,7 @@
             ]
          },
          {
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -468,11 +110,9 @@
                   7
                ]
             ],
-            "id" : "006",
-            "name" : "006"
+            "id" : "006"
          },
          {
-            "name" : "007",
             "id" : "007",
             "data" : [
                [
@@ -487,9 +127,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007"
          },
          {
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -504,8 +146,7 @@
                   12
                ]
             ],
-            "id" : "008",
-            "name" : "008"
+            "id" : "008"
          },
          {
             "name" : "009",
@@ -526,6 +167,8 @@
             ]
          },
          {
+            "name" : "010",
+            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -539,12 +182,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010",
-            "name" : "010"
+            ]
          },
          {
-            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -559,6 +199,7 @@
                   10
                ]
             ],
+            "id" : "011",
             "name" : "011"
          },
          {
@@ -581,7 +222,6 @@
          },
          {
             "name" : "013",
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -595,11 +235,10 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "013"
          },
          {
-            "name" : "014",
-            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -613,11 +252,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "014",
+            "name" : "014"
          },
          {
             "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -631,9 +271,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "015"
          },
          {
+            "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -647,11 +290,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016",
-            "name" : "016"
+            ]
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             "id" : "017",
             "data" : [
                [
@@ -666,8 +308,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "017"
+            ]
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          {
             "data" : [
@@ -688,7 +329,6 @@
             "name" : "018"
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             "data" : [
                [
                   "Perl",
@@ -703,9 +343,11 @@
                   13
                ]
             ],
-            "id" : "019"
+            "id" : "019",
+            "name" : "019"
          },
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+            "name" : "020",
             "id" : "020",
             "data" : [
                [
@@ -720,11 +362,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020"
+            ]
          },
          {
-            "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -739,7 +380,7 @@
                   10
                ]
             ],
-            "id" : "021"
+            "name" : "021"
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             "id" : "022",
@@ -779,7 +420,6 @@
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-            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -793,7 +433,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "024"
          },
          {
             "id" : "025",
@@ -814,6 +455,7 @@
             "name" : "025"
          },
          {
+            "name" : "026",
             "id" : "026",
             "data" : [
                [
@@ -828,10 +470,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "026"
+            ]
          },
          {
+            "name" : "027",
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -845,12 +488,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "027",
-            "name" : "027"
+            ]
          },
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-            "name" : "028",
             "id" : "028",
             "data" : [
                [
@@ -865,9 +505,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "028"
          },
          {
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -882,11 +524,9 @@
                   12
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-            "id" : "029",
             "name" : "029"
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             "id" : "030",
             "data" : [
                [
@@ -901,7 +541,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "030"
          },
          {
             "name" : "031",
@@ -941,6 +582,7 @@
          },
          {
             "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -954,8 +596,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033"
+            ]
          },
          {
             "name" : "034",
@@ -976,6 +617,7 @@
             ]
          },
          {
+            "name" : "035",
             "id" : "035",
             "data" : [
                [
@@ -990,8 +632,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "035"
+            ]
          },
          {
             "name" : "036",
@@ -1012,6 +653,7 @@
             ]
          },
          {
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -1026,11 +668,9 @@
                   9
                ]
             ],
-            "id" : "037",
-            "name" : "037"
+            "id" : "037"
          },
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-            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -1045,10 +685,10 @@
                   12
                ]
             ],
+            "id" : "038",
             "name" : "038"
          },
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-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -1063,9 +703,11 @@
                   12
                ]
             ],
-            "id" : "039"
+            "id" : "039",
+            "name" : "039"
          },
          {
+            "id" : "040",
             "data" : [
                [