- Added solutions by Jan Krnavek.

13 files changed, 1370 insertions, 1355 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 571c98ad35..5159065916 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,27 +1,150 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 115"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "Abigail",
+               "y" : 2,
+               "drilldown" : "Abigail"
+            },
+            {
+               "name" : "Andinus",
+               "drilldown" : "Andinus",
+               "y" : 2
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Bartosz Jarzyna",
+               "name" : "Bartosz Jarzyna"
+            },
+            {
+               "name" : "Dave Cross",
+               "y" : 2,
+               "drilldown" : "Dave Cross"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 3,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "y" : 2,
+               "name" : "Feng Chang"
+            },
+            {
+               "drilldown" : "Flavio Poletti",
+               "y" : 6,
+               "name" : "Flavio Poletti"
+            },
+            {
+               "name" : "James Smith",
+               "y" : 2,
+               "drilldown" : "James Smith"
+            },
+            {
+               "name" : "Jan Krnavek",
+               "y" : 2,
+               "drilldown" : "Jan Krnavek"
+            },
+            {
+               "name" : "Jorg Sommrey",
+               "y" : 2,
+               "drilldown" : "Jorg Sommrey"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
+            },
+            {
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson",
+               "y" : 1
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Pete Houston",
+               "name" : "Pete Houston"
+            },
+            {
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West",
+               "y" : 4
+            },
+            {
+               "name" : "Simon Green",
+               "drilldown" : "Simon Green",
+               "y" : 3
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Stuart Little",
+               "name" : "Stuart Little"
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan"
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 115"
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Abigail",
             "id" : "Abigail",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Abigail"
          },
          {
             "name" : "Andinus",
-            "id" : "Andinus",
             "data" : [
                [
                   "Raku",
@@ -31,7 +154,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Andinus"
          },
          {
             "data" : [
@@ -48,10 +172,12 @@
                   1
                ]
             ],
-            "name" : "Arne Sommer",
-            "id" : "Arne Sommer"
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
          },
          {
+            "name" : "Bartosz Jarzyna",
+            "id" : "Bartosz Jarzyna",
             "data" : [
                [
                   "Perl",
@@ -61,21 +187,21 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Bartosz Jarzyna",
-            "name" : "Bartosz Jarzyna"
+            ]
          },
          {
-            "name" : "Dave Cross",
-            "id" : "Dave Cross",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Dave Cross",
+            "name" : "Dave Cross"
          },
          {
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -85,13 +211,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby"
+            ]
          },
          {
-            "id" : "E. Choroba",
             "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
@@ -100,17 +224,16 @@
             ]
          },
          {
+            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Feng Chang",
-            "id" : "Feng Chang"
+            "name" : "Feng Chang"
          },
          {
-            "id" : "Flavio Poletti",
             "name" : "Flavio Poletti",
             "data" : [
                [
@@ -125,7 +248,8 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Flavio Poletti"
          },
          {
             "data" : [
@@ -134,8 +258,18 @@
                   2
                ]
             ],
-            "name" : "James Smith",
-            "id" : "James Smith"
+            "id" : "James Smith",
+            "name" : "James Smith"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
          },
          {
             "name" : "Jorg Sommrey",
@@ -148,6 +282,7 @@
             ]
          },
          {
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -158,28 +293,27 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari"
+            "id" : "Luca Ferrari"
          },
          {
-            "name" : "Mark Anderson",
             "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Mark Anderson"
          },
          {
             "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Niels van Dijke"
          },
          {
             "data" : [
@@ -188,12 +322,11 @@
                   2
                ]
             ],
-            "name" : "Pete Houston",
-            "id" : "Pete Houston"
+            "id" : "Pete Houston",
+            "name" : "Pete Houston"
          },
          {
             "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -203,11 +336,11 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West"
          },
          {
             "id" : "Simon Green",
-            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -217,9 +350,12 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Simon Green"
          },
          {
+            "name" : "Stuart Little",
+            "id" : "Stuart Little",
             "data" : [
                [
                   "Perl",
@@ -229,13 +365,11 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Stuart Little",
-            "id" : "Stuart Little"
+            ]
          },
          {
-            "id" : "Ulrich Rieke",
             "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -248,8 +382,6 @@
             ]
          },
          {
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -259,142 +391,25 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "legend" : {
       "enabled" : 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/>"
-   },
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge - 115",
-         "data" : [
-            {
-               "name" : "Abigail",
-               "y" : 2,
-               "drilldown" : "Abigail"
-            },
-            {
-               "drilldown" : "Andinus",
-               "name" : "Andinus",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Arne Sommer",
-               "name" : "Arne Sommer",
-               "y" : 5
-            },
-            {
-               "name" : "Bartosz Jarzyna",
-               "y" : 3,
-               "drilldown" : "Bartosz Jarzyna"
-            },
-            {
-               "drilldown" : "Dave Cross",
-               "name" : "Dave Cross",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Feng Chang",
-               "drilldown" : "Feng Chang"
-            },
-            {
-               "drilldown" : "Flavio Poletti",
-               "y" : 6,
-               "name" : "Flavio Poletti"
-            },
-            {
-               "y" : 2,
-               "name" : "James Smith",
-               "drilldown" : "James Smith"
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "y" : 4,
-               "name" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 1
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "name" : "Pete Houston",
-               "y" : 2,
-               "drilldown" : "Pete Houston"
-            },
-            {
-               "y" : 4,
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "y" : 3,
-               "name" : "Simon Green",
-               "drilldown" : "Simon Green"
-            },
-            {
-               "name" : "Stuart Little",
-               "y" : 4,
-               "drilldown" : "Stuart Little"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 4,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "y" : 3,
-               "drilldown" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1
-      }
-   ],
-   "subtitle" : {
-      "text" : "[Champions: 20] Last updated at 2021-06-06 12:36:15 GMT"
-   },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          },
          "borderWidth" : 0
       }
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 115"
+   "subtitle" : {
+      "text" : "[Champions: 21] Last updated at 2021-06-06 12:41:51 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 5f53fd53c6..f75d22dcdd 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,19 +1,29 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "series" : [
       {
+         "name" : "Contributions",
          "dataLabels" : {
+            "y" : 10,
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
             "color" : "#FFFFFF",
             "align" : "right",
-            "rotation" : -90,
             "enabled" : "true",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
+            "rotation" : -90,
             "format" : "{point.y:.0f}"
          },
          "data" : [
@@ -27,37 +37,27 @@
             ],
             [
                "Raku",
-               3451
+               3453
             ]
-         ],
-         "name" : "Contributions"
+         ]
       }
    ],
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-06-06 12:36:15 GMT"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
-      },
-      "type" : "category"
+      }
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "legend" : {
       "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-06-06 12:41:51 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 0f71144267..f79c256aac 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,11 +1,16 @@
 {
-   "legend" : {
-      "enabled" : "false"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
             "id" : "001",
             "data" : [
                [
@@ -20,11 +25,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001"
          },
          {
             "id" : "002",
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -38,9 +43,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "002"
          },
          {
+            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -54,13 +62,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003",
-            "name" : "003"
+            ]
          },
          {
             "id" : "004",
-            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -74,11 +79,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "004"
          },
          {
-            "id" : "005",
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -92,9 +96,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "005",
+            "name" : "005"
          },
          {
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -109,12 +116,11 @@
                   7
                ]
             ],
-            "id" : "006",
             "name" : "006"
          },
          {
-            "id" : "007",
             "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -131,8 +137,8 @@
             ]
          },
          {
-            "id" : "008",
             "name" : "008",
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -149,8 +155,6 @@
             ]
          },
          {
-            "name" : "009",
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -164,9 +168,12 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009",
+            "name" : "009"
          },
          {
+            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -181,10 +188,10 @@
                   11
                ]
             ],
-            "id" : "010",
             "name" : "010"
          },
          {
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -199,7 +206,6 @@
                   10
                ]
             ],
-            "name" : "011",
             "id" : "011"
          },
          {
@@ -221,8 +227,8 @@
             ]
          },
          {
-            "id" : "013",
             "name" : "013",
+            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -257,6 +263,7 @@
             "name" : "014"
          },
          {
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -271,8 +278,7 @@
                   15
                ]
             ],
-            "id" : "015",
-            "name" : "015"
+            "id" : "015"
          },
          {
             "name" : "016",
@@ -307,12 +313,10 @@
                   12
                ]
             ],
-            "name" : "017",
-            "id" : "017"
+            "id" : "017",
+            "name" : "017"
          },
          {
-            "id" : "018",
-            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -326,11 +330,13 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "018",
+            "name" : "018"
          },
          {
-            "id" : "019",
             "name" : "019",
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -347,6 +353,7 @@
             ]
          },
          {
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -361,10 +368,10 @@
                   13
                ]
             ],
-            "id" : "020",
             "name" : "020"
          },
          {
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -379,10 +386,11 @@
                   10
                ]
             ],
-            "id" : "021",
             "name" : "021"
          },
          {
+            "name" : "022",
+            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -396,9 +404,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "022",
-            "name" : "022"
+            ]
          },
          {
             "data" : [
@@ -419,8 +425,6 @@
             "name" : "023"
          },
          {
-            "id" : "024",
-            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -434,10 +438,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "024",
+            "name" : "024"
          },
          {
-            "name" : "025",
             "id" : "025",
             "data" : [
                [
@@ -452,9 +457,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "025"
          },
          {
+            "name" : "026",
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -468,13 +476,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "026",
-            "name" : "026"
+            ]
          },
          {
             "name" : "027",
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -488,11 +493,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "027"
          },
          {
-            "name" : "028",
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -506,9 +510,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "028",
+            "name" : "028"
          },
          {
+            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -523,12 +530,11 @@
                   12
                ]
             ],
-            "name" : "029",
             "id" : "029"
          },
          {
-            "id" : "030",
             "name" : "030",
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -546,7 +552,6 @@
          },
          {
             "name" : "031",
-            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -560,7 +565,8 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "031"
          },
          {
             "name" : "032",
@@ -581,6 +587,7 @@
             ]
          },
          {
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -595,10 +602,10 @@
                   10
                ]
             ],
-            "name" : "033",
-            "id" : "033"
+            "name" : "033"
          },
          {
+            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -613,12 +620,10 @@
                   11
                ]
             ],
-            "id" : "034",
             "name" : "034"
          },
          {
             "id" : "035",
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -632,11 +637,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "035"
          },
          {
-            "name" : "036",
-            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -650,9 +654,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "036",
+            "name" : "036"
          },
          {
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -667,8 +674,7 @@
                   9
                ]
             ],
-            "id" : "037",
-            "name" : "037"
+            "id" : "037"
          },
          {
             "name" : "038",
@@ -689,8 +695,6 @@
             ]
          },
          {
-            "name" : "039",
-            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -704,9 +708,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "039",
+            "name" : "039"
          },
          {
+            "name" : "040",
+            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -720,11 +728,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "040",
-            "name" : "040"
+            ]
          },
          {
+            "name" : "041",
+            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -738,11 +746,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "041",
-            "name" : "041"
+            ]
          },
          {
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -757,12 +764,10 @@
                   11
                ]
             ],
-            "name" : "042",
             "id" : "042"
          },
          {
             "id" : "043",
-            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -776,11 +781,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" :