- Added solutions by Jan Krnavek.

13 files changed, 1201 insertions, 1186 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index f1e4b6740b..e038abb838 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,30 +1,19 @@
 {
-   "legend" : {
-      "enabled" : 0
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2021-04-11 00:45:44 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge - 107"
    },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
+   "xAxis" : {
+      "type" : "category"
    },
-   "chart" : {
-      "type" : "column"
+   "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/>"
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Abigail",
             "data" : [
                [
                   "Perl",
@@ -35,12 +24,9 @@
                   2
                ]
             ],
-            "name" : "Abigail",
             "id" : "Abigail"
          },
          {
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -50,19 +36,23 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
-            "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "E. Choroba"
+            "name" : "E. Choroba"
          },
          {
+            "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -72,9 +62,7 @@
                   "Blog",
                   2
                ]
-            ],
-            "name" : "Flavio Poletti",
-            "id" : "Flavio Poletti"
+            ]
          },
          {
             "data" : [
@@ -87,8 +75,18 @@
                   1
                ]
             ],
-            "name" : "James Smith",
-            "id" : "James Smith"
+            "id" : "James Smith",
+            "name" : "James Smith"
+         },
+         {
+            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
          },
          {
             "name" : "Jorg Sommrey",
@@ -101,6 +99,7 @@
             "id" : "Jorg Sommrey"
          },
          {
+            "id" : "Lance Wicks",
             "data" : [
                [
                   "Perl",
@@ -111,11 +110,10 @@
                   1
                ]
             ],
-            "name" : "Lance Wicks",
-            "id" : "Lance Wicks"
+            "name" : "Lance Wicks"
          },
          {
-            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -130,7 +128,7 @@
                   1
                ]
             ],
-            "name" : "Laurent Rosenfeld"
+            "id" : "Laurent Rosenfeld"
          },
          {
             "data" : [
@@ -143,32 +141,32 @@
                   2
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
             "id" : "Mark Anderson",
-            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mark Anderson"
          },
          {
-            "id" : "Mohammad S Anwar",
-            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Mohammad S Anwar",
+            "name" : "Mohammad S Anwar"
          },
          {
-            "id" : "Niels van Dijke",
             "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
@@ -177,26 +175,27 @@
             ]
          },
          {
+            "name" : "PJ Durai",
+            "id" : "PJ Durai",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "name" : "PJ Durai",
-            "id" : "PJ Durai"
+            ]
          },
          {
+            "name" : "Pete Houston",
+            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Pete Houston",
-            "id" : "Pete Houston"
+            ]
          },
          {
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -211,10 +210,10 @@
                   1
                ]
             ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            "name" : "Roger Bell_West"
          },
          {
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -225,7 +224,6 @@
                   2
                ]
             ],
-            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke"
          },
          {
@@ -243,92 +241,104 @@
             "id" : "W. Luis Mochan"
          },
          {
-            "name" : "Wanderdoc",
+            "id" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Wanderdoc"
+            "name" : "Wanderdoc"
          }
       ]
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 107"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   "legend" : {
+      "enabled" : 0
    },
-   "xAxis" : {
-      "type" : "category"
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2021-04-11 00:48:13 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
    },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 107",
          "data" : [
             {
                "drilldown" : "Abigail",
-               "name" : "Abigail",
-               "y" : 4
+               "y" : 4,
+               "name" : "Abigail"
             },
             {
-               "y" : 3,
                "name" : "Dave Jacoby",
+               "y" : 3,
                "drilldown" : "Dave Jacoby"
             },
             {
-               "drilldown" : "E. Choroba",
                "name" : "E. Choroba",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "E. Choroba"
             },
             {
-               "y" : 4,
                "name" : "Flavio Poletti",
+               "y" : 4,
                "drilldown" : "Flavio Poletti"
             },
             {
-               "y" : 3,
                "name" : "James Smith",
+               "y" : 3,
                "drilldown" : "James Smith"
             },
             {
+               "name" : "Jan Krnavek",
                "y" : 2,
-               "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey"
+               "drilldown" : "Jan Krnavek"
             },
             {
+               "drilldown" : "Jorg Sommrey",
                "y" : 2,
+               "name" : "Jorg Sommrey"
+            },
+            {
                "name" : "Lance Wicks",
-               "drilldown" : "Lance Wicks"
+               "drilldown" : "Lance Wicks",
+               "y" : 2
             },
             {
-               "y" : 5,
                "drilldown" : "Laurent Rosenfeld",
+               "y" : 5,
                "name" : "Laurent Rosenfeld"
             },
             {
-               "name" : "Luca Ferrari",
                "drilldown" : "Luca Ferrari",
-               "y" : 4
+               "y" : 4,
+               "name" : "Luca Ferrari"
             },
             {
-               "name" : "Mark Anderson",
                "drilldown" : "Mark Anderson",
-               "y" : 2
+               "y" : 2,
+               "name" : "Mark Anderson"
             },
             {
                "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar",
-               "y" : 2
+               "y" : 2,
+               "name" : "Mohammad S Anwar"
             },
             {
                "y" : 2,
-               "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke"
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
             },
             {
                "y" : 1,
@@ -337,30 +347,35 @@
             },
             {
                "drilldown" : "Pete Houston",
-               "name" : "Pete Houston",
-               "y" : 2
+               "y" : 2,
+               "name" : "Pete Houston"
             },
             {
-               "drilldown" : "Roger Bell_West",
                "name" : "Roger Bell_West",
-               "y" : 5
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
             },
             {
-               "name" : "Ulrich Rieke",
                "drilldown" : "Ulrich Rieke",
-               "y" : 3
+               "y" : 3,
+               "name" : "Ulrich Rieke"
             },
             {
-               "y" : 3,
                "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3
             },
             {
+               "name" : "Wanderdoc",
                "y" : 2,
-               "drilldown" : "Wanderdoc",
-               "name" : "Wanderdoc"
+               "drilldown" : "Wanderdoc"
             }
-         ]
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 107"
       }
-   ]
+   ],
+   "chart" : {
+      "type" : "column"
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 315372558b..d22aee24c6 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,7 +1,37 @@
 {
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-04-11 00:48:13 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "series" : [
       {
          "name" : "Contributions",
+         "dataLabels" : {
+            "rotation" : -90,
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
+            "enabled" : "true",
+            "y" : 10,
+            "align" : "right"
+         },
          "data" : [
             [
                "Blog",
@@ -13,21 +43,9 @@
             ],
             [
                "Raku",
-               3203
+               3205
             ]
-         ],
-         "dataLabels" : {
-            "y" : 10,
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "enabled" : "true",
-            "rotation" : -90,
-            "align" : "right",
-            "color" : "#FFFFFF"
-         }
+         ]
       }
    ],
    "xAxis" : {
@@ -39,24 +57,6 @@
          }
       }
    },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-04-11 00:45:44 GMT"
-   },
-   "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 67a55dc15d..0fdf2cc3ca 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -7,25 +7,17 @@
          "text" : "Total Solutions"
       }
    },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
    "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-04-11 00:45:44 GMT"
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-04-11 00:48:13 GMT"
    },
-   "chart" : {
-      "type" : "column"
+   "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>"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -40,11 +32,10 @@
                   11
                ]
             ],
+            "id" : "001",
             "name" : "001"
          },
          {
-            "id" : "002",
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -58,9 +49,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "002",
+            "name" : "002"
          },
          {
+            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -74,12 +69,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003",
-            "id" : "003"
+            ]
          },
          {
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -94,6 +86,7 @@
                   10
                ]
             ],
+            "id" : "004",
             "name" : "004"
          },
          {
@@ -115,6 +108,7 @@
             "id" : "005"
          },
          {
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -129,8 +123,7 @@
                   7
                ]
             ],
-            "name" : "006",
-            "id" : "006"
+            "name" : "006"
          },
          {
             "id" : "007",
@@ -151,6 +144,7 @@
             "name" : "007"
          },
          {
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -165,10 +159,11 @@
                   12
                ]
             ],
-            "name" : "008",
-            "id" : "008"
+            "name" : "008"
          },
          {
+            "name" : "009",
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -182,12 +177,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009",
-            "id" : "009"
+            ]
          },
          {
-            "id" : "010",
             "name" : "010",
             "data" : [
                [
@@ -202,7 +194,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010"
          },
          {
             "name" : "011",
@@ -224,6 +217,7 @@
          },
          {
             "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -237,10 +231,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012"
+            ]
          },
          {
+            "name" : "013",
+            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -254,9 +249,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "013",
-            "id" : "013"
+            ]
          },
          {
             "name" : "014",
@@ -277,7 +270,6 @@
             "id" : "014"
          },
          {
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -292,9 +284,11 @@
                   15
                ]
             ],
-            "id" : "015"
+            "id" : "015",
+            "name" : "015"
          },
          {
+            "name" : "016",
             "id" : "016",
             "data" : [
                [
@@ -309,11 +303,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016"
+            ]
          },
          {
-            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -328,10 +320,11 @@
                   12
                ]
             ],
-            "id" : "017"
+            "id" : "017",
+            "name" : "017"
          },
          {
-            "id" : "018",
+            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -346,10 +339,11 @@
                   14
                ]
             ],
-            "name" : "018"
+            "id" : "018"
          },
          {
             "name" : "019",
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -363,11 +357,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "019"
+            ]
          },
          {
             "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -381,10 +375,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020"
+            ]
          },
          {
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -399,8 +393,7 @@
                   10
                ]
             ],
-            "name" : "021",
-            "id" : "021"
+            "name" : "021"
          },
          {
             "data" : [
@@ -417,10 +410,12 @@
                   10
                ]
             ],
-            "name" : "022",
-            "id" : "022"
+            "id" : "022",
+            "name" : "022"
          },
          {
+            "name" : "023",
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -434,11 +429,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "023",
-            "id" : "023"
+            ]
          },
          {
+            "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -452,9 +447,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "024",
-            "id" : "024"
+            ]
          },
          {
             "id" : "025",
@@ -489,10 +482,11 @@
                   10
                ]
             ],
-            "name" : "026",
-            "id" : "026"
+            "id" : "026",
+            "name" : "026"
          },
          {
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -507,7 +501,6 @@
                   9
                ]
             ],
-            "name" : "027",
             "id" : "027"
          },
          {
@@ -529,8 +522,6 @@
             "id" : "028"
          },
          {
-            "id" : "029",
-            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -544,9 +535,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029",
+            "name" : "029"
          },
          {
+            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -561,11 +555,10 @@
                   10
                ]
             ],
-            "name" : "030",
             "id" : "030"
          },
          {
-            "name" : "031",
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -580,10 +573,9 @@
                   9
                ]
             ],
-            "id" : "031"
+            "name" : "031"
          },
          {
-            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -598,9 +590,11 @@
                   10
                ]
             ],
+            "id" : "032",
             "name" : "032"
          },
          {
+            "name" : "033",
             "id" : "033",
             "data" : [
                [
@@ -615,10 +609,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "033"
+            ]
          },
          {
+            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -633,11 +627,9 @@
                   11
                ]
             ],
-            "name" : "034",
-            "id" : "034"
+            "name" : "034"
          },
          {
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -652,7 +644,8 @@
                   9
                ]
             ],
-            "id" : "035"
+            "id" : "035",
+            "name" : "035"
          },
          {
             "data" : [
@@ -669,11 +662,10 @@
                   11
                ]
             ],
-            "name" : "036",
-            "id" : "036"
+            "id" : "036",
+            "name" : "036"
          },
          {
-            "id" : "037",
             "name" : "037",
             "data" : [
                [
@@ -688,9 +680,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "037"
          },
          {
+            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -705,11 +699,9 @@
                   12
                ]
             ],
-            "name" : "038",
-            "id" : "038"
+            "name" : "038"
          },
          {
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -724,9 +716,11 @@
                   12
                ]
             ],
-            "id" : "039"
+            "id" : "039",
+            "name" : "039"
          },
          {
+            "name" : "040",
             "id" : "040",
             "data" : [
                [
@@ -741,8 +735,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040"
+            ]
          },
          {
             "data" : [
@@ -759,12 +752,11 @@
                   9
                ]
             ],
-            "name" : "041",
-            "id" : "041"
+            "id" : "041",
+            "name" : "041"
          },
          {
             "id" : "042",
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -778,7 +770,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042"
          },
          {
             "id" : "043",
@@ -799,7 +792,6 @@
             "name" : "043"
          },
          {
-            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -814,10 +806,10 @@
                   11
                ]
             ],
-            "id" : "044"
+            "id" : "044",
+            "name" : "044"
          },
          {
-            "id" : "045",
             "name" : "045",
             "data" : [
                [
@@ -832,7 +824,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "045"
          },
          {
             "id" : "046",
@@ -871,7 +864,7 @@
             "id" : "047"
          },
          {
-            "name" : "048",
+            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -886,10 +879,9 @@
                   12
                ]
             ],
-            "id" : "048"
+            "name" : "048"
          },
          {
-            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -904,9 +896,11 @@
                   12
                ]
             ],
+            "id" : "049",
             "name" : "049"
          },
          {
+            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -921,10 +915,10 @@
                   12
                ]
             ],
-            "name" : "050",
-            "id" : "050"
+            "name" : "050"
          },
          {
+            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -939,7 +933,6 @@
                   11
                ]
             ],
-            "name" : "051",
             "id" : "051"
          },
          {
@@ -957,8 +950,8 @@
                   14
                ]
             ],
-            "name" : "052",
-            "id" : "052"
+            "id" : "052",
+            "name" : "052"
          },
          {
             "id" : "053",
@@ -980,7 +973,6 @@
          },
          {
             "id" : "054",
-            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -994,7 +986,8 @@
                   "Blog",
                   18
                ]
-            ]
+            ],
+            "name" : "054"
          },
          {