- Added solutions by Jan Krnavek.

13 files changed, 1233 insertions, 1218 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 43e969882f..341717920b 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,102 +1,10 @@
 {
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge - 092",
-         "data" : [
-            {
-               "drilldown" : "Alexander Pankoff",
-               "name" : "Alexander Pankoff",
-               "y" : 2
-            },
-            {
-               "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby",
-               "y" : 2
-            },
-            {
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Flavio Poletti",
-               "name" : "Flavio Poletti"
-            },
-            {
-               "name" : "James Smith",
-               "drilldown" : "James Smith",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke"
-            },
-            {
-               "name" : "Nuno Vieira",
-               "drilldown" : "Nuno Vieira",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Paulo Custodio",
-               "name" : "Paulo Custodio"
-            },
-            {
-               "drilldown" : "Pete Houston",
-               "name" : "Pete Houston",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Philip Hood",
-               "name" : "Philip Hood"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "name" : "Simon Green",
-               "drilldown" : "Simon Green",
-               "y" : 3
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Stuart Little",
-               "name" : "Stuart Little"
-            },
-            {
-               "name" : "Ulrich Rieke",
-               "drilldown" : "Ulrich Rieke",
-               "y" : 3
-            },
-            {
-               "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1
-      }
-   ],
+   "legend" : {
+      "enabled" : 0
+   },
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2020-12-27 08:16:14 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -110,7 +18,7 @@
             "name" : "Alexander Pankoff"
          },
          {
-            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
@@ -121,7 +29,7 @@
                   1
                ]
             ],
-            "name" : "Andrew Shitov"
+            "id" : "Andrew Shitov"
          },
          {
             "data" : [
@@ -144,7 +52,6 @@
             ]
          },
          {
-            "id" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -155,6 +62,7 @@
                   2
                ]
             ],
+            "id" : "Flavio Poletti",
             "name" : "Flavio Poletti"
          },
          {
@@ -172,23 +80,33 @@
             "id" : "James Smith"
          },
          {
-            "id" : "Jorg Sommrey",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
+         },
+         {
+            "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Jorg Sommrey"
+            "id" : "Jorg Sommrey"
          },
          {
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "id" : "Mark Anderson",
             "name" : "Mark Anderson"
          },
          {
@@ -202,47 +120,46 @@
             "id" : "Niels van Dijke"
          },
          {
-            "name" : "Nuno Vieira",
+            "id" : "Nuno Vieira",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Nuno Vieira"
+            "name" : "Nuno Vieira"
          },
          {
+            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Paulo Custodio",
             "name" : "Paulo Custodio"
          },
          {
-            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Pete Houston",
             "name" : "Pete Houston"
          },
          {
             "name" : "Philip Hood",
+            "id" : "Philip Hood",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Philip Hood"
+            ]
          },
          {
-            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
             "data" : [
                [
@@ -257,10 +174,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Roger Bell_West"
          },
          {
-            "id" : "Simon Green",
+            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -271,20 +189,20 @@
                   1
                ]
             ],
-            "name" : "Simon Green"
+            "id" : "Simon Green"
          },
          {
+            "name" : "Stuart Little",
             "id" : "Stuart Little",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Stuart Little"
+            ]
          },
          {
-            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -295,9 +213,10 @@
                   1
                ]
             ],
-            "name" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke"
          },
          {
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -308,11 +227,116 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan"
          }
       ]
    },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "drilldown" : "Alexander Pankoff",
+               "y" : 2,
+               "name" : "Alexander Pankoff"
+            },
+            {
+               "drilldown" : "Andrew Shitov",
+               "y" : 2,
+               "name" : "Andrew Shitov"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
+               "y" : 2
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "name" : "James Smith",
+               "drilldown" : "James Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "y" : 2,
+               "name" : "Jan Krnavek"
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "y" : 2,
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
+            },
+            {
+               "drilldown" : "Nuno Vieira",
+               "y" : 2,
+               "name" : "Nuno Vieira"
+            },
+            {
+               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio",
+               "y" : 2
+            },
+            {
+               "name" : "Pete Houston",
+               "drilldown" : "Pete Houston",
+               "y" : 2
+            },
+            {
+               "name" : "Philip Hood",
+               "y" : 2,
+               "drilldown" : "Philip Hood"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "y" : 5,
+               "name" : "Roger Bell_West"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Simon Green",
+               "name" : "Simon Green"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Stuart Little",
+               "name" : "Stuart Little"
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "y" : 3,
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "name" : "Perl Weekly Challenge - 092",
+         "colorByPoint" : 1
+      }
+   ],
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
@@ -322,6 +346,14 @@
          }
       }
    },
+   "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/>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "title" : {
       "text" : "Perl Weekly Challenge - 092"
    },
@@ -329,22 +361,5 @@
       "title" : {
          "text" : "Total Solutions"
       }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : 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/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2020-12-27 08:13:09 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index d0a5514bf8..4d68e589e4 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,27 +1,22 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
+   "legend" : {
+      "enabled" : "false"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "subtitle" : {
+      "text" : "Last updated at 2020-12-27 08:16:14 GMT"
+   },
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
    },
    "series" : [
       {
-         "dataLabels" : {
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "y" : 10,
-            "align" : "right",
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "color" : "#FFFFFF"
-         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -33,31 +28,36 @@
             ],
             [
                "Raku",
-               2776
+               2778
             ]
          ],
-         "name" : "Contributions"
+         "dataLabels" : {
+            "align" : "right",
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "y" : 10,
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "rotation" : -90,
+            "format" : "{point.y:.0f}"
+         }
       }
    ],
-   "subtitle" : {
-      "text" : "Last updated at 2020-12-27 08:13:09 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "chart" : {
       "type" : "column"
    },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 0c51b1cbb3..8bd4c82e97 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,20 +1,6 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
+   "legend" : {
+      "enabled" : "false"
    },
    "drilldown" : {
       "series" : [
@@ -73,8 +59,6 @@
             "name" : "003"
          },
          {
-            "name" : "004",
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -88,10 +72,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "004",
+            "name" : "004"
          },
          {
-            "name" : "005",
             "id" : "005",
             "data" : [
                [
@@ -106,9 +91,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "005"
          },
          {
+            "name" : "006",
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -122,12 +110,10 @@
                   "Blog",
                   7
                ]
-            ],
-            "id" : "006",
-            "name" : "006"
+            ]
          },
          {
-            "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -142,7 +128,7 @@
                   10
                ]
             ],
-            "id" : "007"
+            "name" : "007"
          },
          {
             "data" : [
@@ -163,7 +149,7 @@
             "name" : "008"
          },
          {
-            "name" : "009",
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -178,10 +164,11 @@
                   13
                ]
             ],
-            "id" : "009"
+            "name" : "009"
          },
          {
             "name" : "010",
+            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -195,12 +182,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010"
+            ]
          },
          {
-            "name" : "011",
-            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -214,10 +198,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "011",
+            "name" : "011"
          },
          {
-            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -232,11 +217,11 @@
                   11
                ]
             ],
+            "id" : "012",
             "name" : "012"
          },
          {
             "name" : "013",
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -250,7 +235,8 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "013"
          },
          {
             "name" : "014",
@@ -271,6 +257,7 @@
             "id" : "014"
          },
          {
+            "name" : "015",
             "id" : "015",
             "data" : [
                [
@@ -285,11 +272,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "015"
+            ]
          },
          {
-            "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -304,7 +290,7 @@
                   12
                ]
             ],
-            "name" : "016"
+            "id" : "016"
          },
          {
             "name" : "017",
@@ -325,7 +311,6 @@
             ]
          },
          {
-            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -340,10 +325,12 @@
                   14
                ]
             ],
-            "id" : "018"
+            "id" : "018",
+            "name" : "018"
          },
          {
             "name" : "019",
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -357,10 +344,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "019"
+            ]
          },
          {
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -375,7 +362,6 @@
                   13
                ]
             ],
-            "id" : "020",
             "name" : "020"
          },
          {
@@ -398,6 +384,7 @@
          },
          {
             "name" : "022",
+            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -411,10 +398,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "022"
+            ]
          },
          {
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -429,10 +416,10 @@
                   12
                ]
             ],
-            "id" : "023",
             "name" : "023"
          },
          {
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -447,10 +434,10 @@
                   11
                ]
             ],
-            "id" : "024",
-            "name" : "024"
+            "id" : "024"
          },
          {
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -465,8 +452,7 @@
                   12
                ]
             ],
-            "id" : "025",
-            "name" : "025"
+            "id" : "025"
          },
          {
             "id" : "026",
@@ -487,6 +473,7 @@
             "name" : "026"
          },
          {
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -501,11 +488,9 @@
                   9
                ]
             ],
-            "id" : "027",
             "name" : "027"
          },
          {
-            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -520,10 +505,11 @@
                   9
                ]
             ],
-            "id" : "028"
+            "id" : "028",
+            "name" : "028"
          },
          {
-            "id" : "029",
+            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -538,9 +524,10 @@
                   12
                ]
             ],
-            "name" : "029"
+            "id" : "029"
          },
          {
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -555,11 +542,11 @@
                   10
                ]
             ],
-            "id" : "030",
             "name" : "030"
          },
          {
             "name" : "031",
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -573,11 +560,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "031"
+            ]
          },
          {
-            "name" : "032",
             "id" : "032",
             "data" : [
                [
@@ -592,10 +577,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "032"
          },
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-            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -610,10 +596,10 @@
                   10
                ]
             ],
-            "id" : "033"
+            "name" : "033"
          },
          {
-            "id" : "034",
+            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -628,10 +614,10 @@
                   11
                ]
             ],
-            "name" : "034"
+            "id" : "034"
          },
          {
-            "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -646,7 +632,7 @@
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                ]
             ],
-            "id" : "035"
+            "name" : "035"
          },
          {
             "name" : "036",
@@ -667,6 +653,7 @@
             "id" : "036"
          },
          {
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -681,11 +668,10 @@
                   9
                ]
             ],
-            "id" : "037",
             "name" : "037"
          },
          {
-            "name" : "038",
+            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -700,7 +686,7 @@
                   12
                ]
             ],
-            "id" : "038"
+            "name" : "038"
          },
          {
             "data" : [
@@ -739,6 +725,7 @@
             "name" : "040"
          },
          {
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -753,11 +740,10 @@
                   9
                ]
             ],
-            "id" : "041",
-            "name" : "041"
+            "id" : "041"
          },
          {
-            "name" : "042",
+            "id" : "042",
             "data" : [
                [
                   "Perl",
@@ -772,7 +758,7 @@
                   11
                ]
             ],
-            "id" : "042"
+            "name" : "042"
          },
          {
             "id" : "043",
@@ -793,7 +779,6 @@
             "name" : "043"
          },
          {
-            "name" : "044",
             "id" : "044",
             "data" : [
                [
@@ -808,10 +793,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "044"
          },
          {
-            "id" : "045",
             "data" : [
                [
                   "Perl",
@@ -826,9 +811,11 @@
                   11
                ]
             ],
+            "id" : "045",
             "name" : "045"
          },
          {
+            "name" : "046",
             "id" : "046",
             "data" : [
                [
@@ -843,10 +830,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "046"
+            ]
          },
          {
+            "name" : "047",
+            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -860,13 +848,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "047",
-            "name" : "047"
+            ]
          },
          {
-            "name" : "048",
-            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -880,9 +864,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "048",
+            "name" : "048"
          },
          {
+            "name" : "049",
             "id" : "049",
             "data" : [
                [
@@ -897,10 +884,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "049"
+            ]
          },
          {
+            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -915,11 +902,10 @@
                   12
                ]
             ],
-            "id" : "050",
             "name" : "050"
          },
          {
-            "id" : "051",
+            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -934,10 +920,9 @@
                   11
                ]
             ],
-            "name" : "051"
+            "id" : "051"
          },
          {
-            "name" : "052",
             "id" : "052",
             "data" : [
                [
@@ -952,9 +937,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "052"
          },
          {
+            "name" : "053",
             "data" : [
                [
                   "Perl",
@@ -969,11 +956,11 @@
                   15
                ]
             ],
-            "id" : "053",
-            "name" : "053"
+            "id" : "053"
          },
          {
             "name" : "054",
+            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -987,8 +974,7 @@
                   "Blog",
                   18