- Added solutions by Jan Krnavek.

13 files changed, 1173 insertions, 1158 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 7cece13a4a..750b491e2f 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -4,27 +4,94 @@
          "text" : "Total Solutions"
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "plotOptions" : {
       "series" : {
+         "borderWidth" : 0,
          "dataLabels" : {
             "enabled" : 1,
             "format" : "{point.y}"
-         },
-         "borderWidth" : 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/>"
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 3,
+               "drilldown" : "Aaron Smith",
+               "name" : "Aaron Smith"
+            },
+            {
+               "name" : "Ben Davies",
+               "drilldown" : "Ben Davies",
+               "y" : 2
+            },
+            {
+               "drilldown" : "James Smith",
+               "y" : 2,
+               "name" : "James Smith"
+            },
+            {
+               "name" : "Jan Krnavek",
+               "y" : 2,
+               "drilldown" : "Jan Krnavek"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 2,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Peter Mayr",
+               "name" : "Peter Mayr"
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 4,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor"
+            },
+            {
+               "drilldown" : "Stuart Little",
+               "y" : 4,
+               "name" : "Stuart Little"
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "y" : 4,
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "name" : "Perl Weekly Challenge - 106"
+      }
+   ],
+   "legend" : {
+      "enabled" : 0
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Aaron Smith",
             "data" : [
                [
                   "Raku",
@@ -35,30 +102,40 @@
                   1
                ]
             ],
-            "name" : "Aaron Smith"
+            "name" : "Aaron Smith",
+            "id" : "Aaron Smith"
          },
          {
-            "name" : "Ben Davies",
+            "id" : "Ben Davies",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Ben Davies"
+            "name" : "Ben Davies"
          },
          {
             "id" : "James Smith",
+            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
+            ]
+         },
+         {
+            "name" : "Jan Krnavek",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
             ],
-            "name" : "James Smith"
+            "id" : "Jan Krnavek"
          },
          {
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -69,40 +146,40 @@
                   2
                ]
             ],
+            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari"
          },
          {
-            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Mark Anderson"
+            "name" : "Mark Anderson"
          },
          {
+            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke"
          },
          {
-            "name" : "Peter Mayr",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
+            "name" : "Peter Mayr",
             "id" : "Peter Mayr"
          },
          {
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -113,21 +190,20 @@
                   2
                ]
             ],
+            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West"
          },
          {
             "id" : "Simon Proctor",
-            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Simon Proctor"
          },
          {
-            "id" : "Stuart Little",
-            "name" : "Stuart Little",
             "data" : [
                [
                   "Perl",
@@ -137,10 +213,12 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Stuart Little",
+            "id" : "Stuart Little"
          },
          {
-            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -151,7 +229,7 @@
                   2
                ]
             ],
-            "id" : "Ulrich Rieke"
+            "name" : "Ulrich Rieke"
          },
          {
             "name" : "W. Luis Mochan",
@@ -169,84 +247,21 @@
          }
       ]
    },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 106",
-         "data" : [
-            {
-               "y" : 3,
-               "drilldown" : "Aaron Smith",
-               "name" : "Aaron Smith"
-            },
-            {
-               "name" : "Ben Davies",
-               "y" : 2,
-               "drilldown" : "Ben Davies"
-            },
-            {
-               "drilldown" : "James Smith",
-               "y" : 2,
-               "name" : "James Smith"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari",
-               "y" : 4
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "name" : "Peter Mayr",
-               "drilldown" : "Peter Mayr",
-               "y" : 1
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "Stuart Little",
-               "y" : 4,
-               "name" : "Stuart Little"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ]
-      }
-   ],
-   "title" : {
-      "text" : "Perl Weekly Challenge - 106"
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
    },
    "chart" : {
       "type" : "column"
    },
-   "legend" : {
-      "enabled" : 0
+   "xAxis" : {
+      "type" : "category"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 106"
    },
    "subtitle" : {
-      "text" : "[Champions: 12] Last updated at 2021-03-30 08:30:57 GMT"
+      "text" : "[Champions: 13] Last updated at 2021-03-30 16:33:13 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 119636fb04..799008cedf 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,11 +2,36 @@
    "chart" : {
       "type" : "column"
    },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-03-30 16:33:13 GMT"
+   },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "series" : [
       {
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -18,46 +43,21 @@
             ],
             [
                "Raku",
-               3176
+               3178
             ]
          ],
-         "name" : "Contributions",
          "dataLabels" : {
-            "align" : "right",
             "rotation" : -90,
+            "y" : 10,
             "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "y" : 10,
-            "enabled" : "true"
+            "enabled" : "true",
+            "format" : "{point.y:.0f}",
+            "align" : "right"
          }
       }
-   ],
-   "subtitle" : {
-      "text" : "Last updated at 2021-03-30 08:30:57 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 4e67608b9b..e67c0dbb97 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,29 +1,16 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
+   "chart" : {
+      "type" : "column"
    },
    "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/>"
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "name" : "001",
             "data" : [
                [
@@ -38,12 +25,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "001"
+            ]
          },
          {
-            "id" : "002",
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -57,10 +41,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "002",
+            "id" : "002"
          },
          {
-            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -75,10 +60,11 @@
                   9
                ]
             ],
+            "name" : "003",
             "id" : "003"
          },
          {
-            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -93,10 +79,9 @@
                   10
                ]
             ],
-            "id" : "004"
+            "name" : "004"
          },
          {
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -111,6 +96,7 @@
                   12
                ]
             ],
+            "name" : "005",
             "id" : "005"
          },
          {
@@ -132,7 +118,7 @@
             "id" : "006"
          },
          {
-            "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -147,10 +133,10 @@
                   10
                ]
             ],
-            "id" : "007"
+            "name" : "007"
          },
          {
-            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -165,7 +151,7 @@
                   12
                ]
             ],
-            "name" : "008"
+            "id" : "008"
          },
          {
             "name" : "009",
@@ -186,8 +172,6 @@
             "id" : "009"
          },
          {
-            "id" : "010",
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -201,11 +185,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "010",
+            "id" : "010"
          },
          {
             "id" : "011",
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -219,7 +204,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "011"
          },
          {
             "name" : "012",
@@ -277,6 +263,7 @@
          },
          {
             "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -290,8 +277,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "015"
+            ]
          },
          {
             "id" : "016",
@@ -330,7 +316,6 @@
             "id" : "017"
          },
          {
-            "id" : "018",
             "name" : "018",
             "data" : [
                [
@@ -345,10 +330,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "018"
          },
          {
-            "name" : "019",
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -363,9 +349,10 @@
                   13
                ]
             ],
-            "id" : "019"
+            "name" : "019"
          },
          {
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -380,10 +367,10 @@
                   13
                ]
             ],
-            "name" : "020",
             "id" : "020"
          },
          {
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -398,11 +385,10 @@
                   10
                ]
             ],
-            "name" : "021",
-            "id" : "021"
+            "name" : "021"
          },
          {
-            "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -417,10 +403,9 @@
                   10
                ]
             ],
-            "name" : "022"
+            "id" : "022"
          },
          {
-            "id" : "023",
             "name" : "023",
             "data" : [
                [
@@ -435,10 +420,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "023"
          },
          {
-            "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -453,9 +439,10 @@
                   11
                ]
             ],
-            "name" : "024"
+            "id" : "024"
          },
          {
+            "id" : "025",
             "name" : "025",
             "data" : [
                [
@@ -470,11 +457,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025"
+            ]
          },
          {
-            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -489,9 +474,11 @@
                   10
                ]
             ],
+            "name" : "026",
             "id" : "026"
          },
          {
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -506,10 +493,10 @@
                   9
                ]
             ],
-            "name" : "027",
             "id" : "027"
          },
          {
+            "id" : "028",
             "name" : "028",
             "data" : [
                [
@@ -524,11 +511,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "028"
+            ]
          },
          {
-            "id" : "029",
+            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -543,10 +529,9 @@
                   12
                ]
             ],
-            "name" : "029"
+            "id" : "029"
          },
          {
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -561,6 +546,7 @@
                   10
                ]
             ],
+            "name" : "030",
             "id" : "030"
          },
          {
@@ -582,7 +568,7 @@
             "id" : "031"
          },
          {
-            "name" : "032",
+            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -597,10 +583,10 @@
                   10
                ]
             ],
-            "id" : "032"
+            "name" : "032"
          },
          {
-            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -615,7 +601,7 @@
                   10
                ]
             ],
-            "id" : "033"
+            "name" : "033"
          },
          {
             "id" : "034",
@@ -654,7 +640,7 @@
             "id" : "035"
          },
          {
-            "id" : "036",
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -669,10 +655,10 @@
                   11
                ]
             ],
-            "name" : "036"
+            "id" : "036"
          },
          {
-            "id" : "037",
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -687,7 +673,7 @@
                   9
                ]
             ],
-            "name" : "037"
+            "id" : "037"
          },
          {
             "id" : "038",
@@ -708,7 +694,7 @@
             "name" : "038"
          },
          {
-            "name" : "039",
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -723,9 +709,10 @@
                   12
                ]
             ],
-            "id" : "039"
+            "name" : "039"
          },
          {
+            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -740,11 +727,11 @@
                   10
                ]
             ],
-            "name" : "040",
-            "id" : "040"
+            "name" : "040"
          },
          {
             "id" : "041",
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -758,11 +745,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "041"
+            ]
          },
          {
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -777,10 +762,10 @@
                   11
                ]
             ],
+            "name" : "042",
             "id" : "042"
          },
          {
-            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -795,9 +780,11 @@
                   11
                ]
             ],
+            "name" : "043",
             "id" : "043"
          },
          {
+            "id" : "044",
             "name" : "044",
             "data" : [
                [
@@ -812,10 +799,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "044"
+            ]
          },
          {
+            "id" : "045",
             "name" : "045",
             "data" : [
                [
@@ -830,10 +817,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "045"
+            ]
          },
          {
+            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -848,8 +835,7 @@
                   10
                ]
             ],
-            "name" : "046",
-            "id" : "046"
+            "name" : "046"
          },
          {
             "name" : "047",
@@ -870,6 +856,7 @@
             "id" : "047"
          },
          {
+            "name" : "048",
             "data" : [
                [
                   "Perl",
@@ -884,11 +871,10 @@
                   12
                ]
             ],
-            "name" : "048",
             "id" : "048"
          },
          {
-            "name" : "049",
+            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -903,7 +889,7 @@
                   12
                ]
             ],
-            "id" : "049"
+            "name" : "049"
          },
          {
             "id" : "050",
@@ -925,7 +911,6 @@
          },
          {
             "id" : "051",
-            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -939,10 +924,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "051"
          },
          {
-            "id" : "052",
             "name" : "052",
             "data" : [
                [
@@ -957,7 +942,8 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "052"
          },
          {
             "id" : "053",
@@ -978,7 +964,7 @@
             "name" : "053"
          },
          {
-            "id" : "054",
+            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -993,11 +979,10 @@
                   18
                ]
             ],
-            "name" : "054"
+            "id" : "054"
          },
          {
             "id" : "055",
-            "name" : "055",
             "data" : [
                [
                   "Perl",
@@ -1011,7 +996,8 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "055"
          },
          {
             "id" : "056",
@@ -1050,6 +1036,7 @@
             "name" : "057"
          },
          {
+            "id" : "058",
             "name" : "058",
             "data" : [
                [
@@ -1064,8 +1051,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "058"
+            ]
          },
          {
             "id" : "059",
@@ -1104,7 +1090,6 @@
             "name" : "060"
          },
          {
-            "id" : "061",
             "name" : "061",
             "data" : [
                [
@@ -1119,10 +1104,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "061"
          },
          {
-            "name" : "062",
+            "id" : "062",
             "data" : [
                [
                   "Perl",
@@ -1137,9 +1123,10 @@
                   11
                ]
             ],
-            "id" : "062"
+            "name" : "062"
          },
          {
+            "id" : "063",
             "name" : "063",
             "data" : [
                [
@@ -1154,10 +1141,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "063"
+            ]
          },
          {
+            "name" : "064",
             "data" : [
                [
                   "Perl",
@@ -1172,7 +1159,6 @@
                   16
                ]
             ],
-            "name" : "064",
             "id" : "064"
          },
          {
@@ -1212,7 +1198,7 @@
             "id" : "066"
          },
          {
-            "name" : "067",
+            "id" : "067",
             "data" : [
                [
                   "Perl",
@@ -1227,9 +1213,10 @@
                   18
                ]
             ],
-            "id" : "067"
+            "name" : "067"
          },
          {
+            "id" : "068",
             "data" : [
                [
                   "Perl",
@@ -1244,11 +1231,9 @@
                   13
                ]
             ],
-            "name" : "068",
-            "id" : "068"
+            "name" : "068"
          },
          {
-            "name" : "069",
             "data" : [
                [
                   "Perl",
@@ -1263,10 +1248,11 @@
                   16
                ]
             ],
+            "name" : "069",
             "id" : "069"