- Added solutions by Jan Krnavek.

12 files changed, 1141 insertions, 1117 deletions

diff --git a/members.json b/members.json
index 5257e27a26..1908f4e7d7 100644
--- a/members.json
+++ b/members.json
@@ -168,6 +168,7 @@
     "vinod-pal"             : "Vinod Kumar Pal",
     "vyacheslav-volgarev"   : "Vyacheslav Volgarev",
     "walt-mankowski"        : "Walt Mankowski",
+    "wambash"               : "Jan Krňávek",
     "wanderdoc"             : "Wanderdoc",
     "william-gilmore"       : "William Gilmore",
     "x1mandi"               : "Csaba Simandi",
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index ad29932bfa..5a054cb325 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,34 +1,8 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 14] Last updated at 2020-08-04 15:26:46 GMT"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 072"
-   },
    "series" : [
       {
-         "name" : "Perl Weekly Challenge - 072",
          "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 072",
          "data" : [
             {
                "y" : 3,
@@ -41,71 +15,80 @@
                "name" : "Duncan C. White"
             },
             {
-               "y" : 2,
+               "name" : "E. Choroba",
                "drilldown" : "E. Choroba",
-               "name" : "E. Choroba"
+               "y" : 2
             },
             {
+               "drilldown" : "Jan Krnavek",
                "y" : 2,
+               "name" : "Jan Krnavek"
+            },
+            {
+               "name" : "Jason Messer",
                "drilldown" : "Jason Messer",
-               "name" : "Jason Messer"
+               "y" : 2
             },
             {
-               "drilldown" : "Javier Luque",
                "name" : "Javier Luque",
-               "y" : 5
+               "y" : 5,
+               "drilldown" : "Javier Luque"
             },
             {
+               "drilldown" : "Luca Ferrari",
                "y" : 4,
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari"
+               "name" : "Luca Ferrari"
             },
             {
-               "y" : 2,
+               "name" : "Mark Anderson",
                "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
+               "y" : 2
             },
             {
-               "y" : 4,
                "drilldown" : "Mohammad S Anwar",
+               "y" : 4,
                "name" : "Mohammad S Anwar"
             },
             {
-               "y" : 2,
                "drilldown" : "Niels van Dijke",
+               "y" : 2,
                "name" : "Niels van Dijke"
             },
             {
-               "name" : "Roger Bell_West",
                "drilldown" : "Roger Bell_West",
-               "y" : 4
+               "y" : 4,
+               "name" : "Roger Bell_West"
             },
             {
-               "y" : 2,
                "name" : "Simon Miner",
-               "drilldown" : "Simon Miner"
+               "drilldown" : "Simon Miner",
+               "y" : 2
             },
             {
-               "drilldown" : "Simon Proctor",
                "name" : "Simon Proctor",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Simon Proctor"
             },
             {
-               "y" : 4,
                "drilldown" : "Ulrich Rieke",
+               "y" : 4,
                "name" : "Ulrich Rieke"
             },
             {
-               "y" : 2,
                "name" : "Yary Hluchan",
-               "drilldown" : "Yary Hluchan"
+               "drilldown" : "Yary Hluchan",
+               "y" : 2
             }
          ]
       }
    ],
+   "title" : {
+      "text" : "Perl Weekly Challenge - 072"
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
@@ -116,8 +99,7 @@
                   1
                ]
             ],
-            "name" : "Andrew Shitov",
-            "id" : "Andrew Shitov"
+            "name" : "Andrew Shitov"
          },
          {
             "name" : "Duncan C. White",
@@ -131,13 +113,13 @@
          },
          {
             "id" : "E. Choroba",
-            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "E. Choroba"
          },
          {
             "data" : [
@@ -146,12 +128,20 @@
                   2
                ]
             ],
-            "id" : "Jason Messer",
-            "name" : "Jason Messer"
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
+         },
+         {
+            "name" : "Jason Messer",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Jason Messer"
          },
          {
-            "name" : "Javier Luque",
-            "id" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -165,11 +155,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
          },
          {
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -179,17 +169,19 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            "id" : "Mark Anderson"
          },
          {
             "data" : [
@@ -202,8 +194,8 @@
                   2
                ]
             ],
-            "name" : "Mohammad S Anwar",
-            "id" : "Mohammad S Anwar"
+            "id" : "Mohammad S Anwar",
+            "name" : "Mohammad S Anwar"
          },
          {
             "data" : [
@@ -216,7 +208,6 @@
             "name" : "Niels van Dijke"
          },
          {
-            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
             "data" : [
                [
@@ -227,31 +218,30 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Roger Bell_West"
          },
          {
             "id" : "Simon Miner",
-            "name" : "Simon Miner",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Simon Miner"
          },
          {
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Simon Proctor",
-            "id" : "Simon Proctor"
+            "name" : "Simon Proctor"
          },
          {
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -261,10 +251,11 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
          },
          {
-            "name" : "Yary Hluchan",
             "id" : "Yary Hluchan",
             "data" : [
                [
@@ -275,16 +266,40 @@
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Yary Hluchan"
          }
       ]
    },
+   "subtitle" : {
+      "text" : "[Champions: 15] Last updated at 2020-08-04 16:01:36 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
    "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/>"
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1
    },
    "chart" : {
       "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 7c56073bbb..41ea38c740 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,28 +1,46 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
+      },
+      "min" : 0
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "xAxis" : {
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
       }
    },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-08-04 16:01:36 GMT"
    },
    "series" : [
       {
          "name" : "Contributions",
+         "dataLabels" : {
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "y" : 10,
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
+            "align" : "right",
+            "enabled" : "true"
+         },
          "data" : [
             [
                "Blog",
@@ -34,30 +52,12 @@
             ],
             [
                "Raku",
-               1921
+               1923
             ]
-         ],
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "enabled" : "true",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "y" : 10
-         }
+         ]
       }
    ],
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-08-04 15:26:46 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index f66ad35c41..dba856c227 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,37 +1,28 @@
 {
+   "xAxis" : {
+      "type" : "category"
+   },
    "legend" : {
       "enabled" : "false"
    },
+   "tooltip" : {
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "followPointer" : "true"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
    "chart" : {
       "type" : "column"
    },
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true"
-   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
             "name" : "001",
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -67,7 +58,6 @@
          },
          {
             "id" : "003",
-            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -81,9 +71,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "003"
          },
          {
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -98,7 +90,6 @@
                   10
                ]
             ],
-            "name" : "004",
             "id" : "004"
          },
          {
@@ -120,6 +111,7 @@
             ]
          },
          {
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -134,10 +126,11 @@
                   7
                ]
             ],
-            "id" : "006",
             "name" : "006"
          },
          {
+            "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -151,9 +144,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "007",
-            "name" : "007"
+            ]
          },
          {
             "name" : "008",
@@ -174,8 +165,6 @@
             ]
          },
          {
-            "name" : "009",
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -189,10 +178,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009",
+            "name" : "009"
          },
          {
-            "name" : "010",
             "id" : "010",
             "data" : [
                [
@@ -207,9 +197,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "010"
          },
          {
+            "name" : "011",
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -223,11 +216,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "011",
-            "name" : "011"
+            ]
          },
          {
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -242,8 +234,7 @@
                   11
                ]
             ],
-            "name" : "012",
-            "id" : "012"
+            "name" : "012"
          },
          {
             "data" : [
@@ -260,10 +251,11 @@
                   13
                ]
             ],
-            "name" : "013",
-            "id" : "013"
+            "id" : "013",
+            "name" : "013"
          },
          {
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -278,8 +270,7 @@
                   15
                ]
             ],
-            "id" : "014",
-            "name" : "014"
+            "id" : "014"
          },
          {
             "data" : [
@@ -296,12 +287,12 @@
                   15
                ]
             ],
-            "name" : "015",
-            "id" : "015"
+            "id" : "015",
+            "name" : "015"
          },
          {
-            "id" : "016",
             "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -318,6 +309,7 @@
             ]
          },
          {
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -332,8 +324,7 @@
                   12
                ]
             ],
-            "id" : "017",
-            "name" : "017"
+            "id" : "017"
          },
          {
             "data" : [
@@ -350,12 +341,11 @@
                   14
                ]
             ],
-            "name" : "018",
-            "id" : "018"
+            "id" : "018",
+            "name" : "018"
          },
          {
             "id" : "019",
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -369,10 +359,10 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "019"
          },
          {
-            "name" : "020",
             "id" : "020",
             "data" : [
                [
@@ -387,11 +377,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "020"
          },
          {
             "name" : "021",
-            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -405,10 +395,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "021"
          },
          {
-            "id" : "022",
             "name" : "022",
             "data" : [
                [
@@ -423,9 +413,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "022"
          },
          {
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -440,10 +432,10 @@
                   12
                ]
             ],
-            "name" : "023",
-            "id" : "023"
+            "name" : "023"
          },
          {
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -458,7 +450,6 @@
                   11
                ]
             ],
-            "name" : "024",
             "id" : "024"
          },
          {
@@ -481,7 +472,6 @@
          },
          {
             "name" : "026",
-            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -495,7 +485,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "026"
          },
          {
             "name" : "027",
@@ -516,6 +507,7 @@
             ]
          },
          {
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -530,12 +522,10 @@
                   9
                ]
             ],
-            "id" : "028",
-            "name" : "028"
+            "id" : "028"
          },
          {
             "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -549,11 +539,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029"
          },
          {
             "name" : "030",
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -567,11 +557,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
-            "id" : "031",
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -585,9 +574,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "031",
+            "name" : "031"
          },
          {
+            "name" : "032",
+            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -601,12 +594,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "032",
-            "name" : "032"
+            ]
          },
          {
-            "name" : "033",
             "id" : "033",
             "data" : [
                [
@@ -621,11 +611,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "033"
          },
          {
-            "id" : "034",
-            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -639,11 +628,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "034",
+            "name" : "034"
          },
          {
             "id" : "035",
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -657,7 +647,8 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "035"
          },
          {
             "data" : [
@@ -678,6 +669,7 @@
             "name" : "036"
          },
          {
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -692,12 +684,10 @@
                   9
                ]
             ],
-            "id" : "037",
             "name" : "037"
          },
          {
             "id" : "038",
-            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -711,7 +701,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "038"
          },
          {
             "name" : "039",
@@ -732,6 +723,8 @@
             ]
          },
          {
+            "name" : "040",
+            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -745,13 +738,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040",
-            "id" : "040"
+            ]
          },
          {
-            "id" : "041",
-            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -765,9 +754,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "041",
+            "name" : "041"
          },
          {
+            "id" : "042",
             "data" : [
                [
                   "Perl",
@@ -782,10 +774,10 @@
                   11
                ]
             ],
-            "name" : "042",
-            "id" : "042"
+            "name" : "042"
          },
          {
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -800,10 +792,11 @@
                   11
                ]
             ],
-            "id" : "043",
             "name" : "043"
          },
          {
+            "name" : "044",
+            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -817,13 +810,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "044",
-            "name" : "044"
+            ]
          },
          {
             "name" : "045",
-            "id" : "045",
             "data" : [
                [
                   "Perl",
@@ -837,11 +827,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "045"
          },
          {
-            "name" : "046",
-            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -855,11 +844,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "046",
+            "name" : "046"
          },
          {
-            "id" : "047",
-            "name" : "047",
             "data" : [
                [
                   "Perl",
@@ -873,9 +862,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "047",
+            "name" : "047"
          },
          {
+            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -890,10 +882,10 @@
                   12
                ]
             ],
-            "name" : "048",
-            "id" : "048"
+            "name" : "048"
          },
          {
+            "name" : "049",
             "data" : [
                [
                   "Perl",
@@ -908,12 +900,10 @@
                   12
                ]
             ],
-            "id" : "049",
-            "name" : "049"
+            "id" : "049"
          },
          {
             "name" : "050",
-            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -927,7 +917,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "050"
          },
          {
             "name" : "051",
@@ -948,6 +939,8 @@
             ]
          },
          {
+            "name" : "052",
+            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -961,9 +954,7 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "052",
-            "name" : "052"
+            ]
          },
          {
             "data" : [
@@ -980,8 +971,8 @@
                   15
                ]
             ],
-            "name" : "053",
-            "id" : "053"
+            "id" : "053",
+            "name" : "053"
          },
          {
             "data" : [
@@ -998,8 +989,8 @@
                   18
                ]
             ],
-            "name" : "054",
-            "id" : "054"
+            "id" : "054",
+            "name" : "054"
          },
          {
             "name" : "055",
@@ -1020,8 +1011,6 @@
             ]
          },
          {
-            "id" : "056",
-            "name" : "056",
             "data" : [
                [
                   "Perl",
@@ -1035,7 +1024,9 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "id" : "056",
+            "name" : "056"
          },
          {
             "name" : "057",
@@ -1056,7 +1047,6 @@
             ]
          },
          {
-            "id" : "058",
             "name" : "058",
             "data" : [
                [
@@ -1071,7 +1061,8 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "058"