- Added solutions by Lubos Kolouch.

13 files changed, 1211 insertions, 1196 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index eef46ab090..9ba83e0707 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,4 +1,9 @@
 {
+   "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/>"
+   },
    "series" : [
       {
          "data" : [
@@ -8,49 +13,54 @@
                "name" : "Abigail"
             },
             {
-               "y" : 2,
+               "name" : "Alexander Pankoff",
                "drilldown" : "Alexander Pankoff",
-               "name" : "Alexander Pankoff"
+               "y" : 2
             },
             {
-               "name" : "Colin Crain",
                "drilldown" : "Colin Crain",
-               "y" : 1
+               "y" : 1,
+               "name" : "Colin Crain"
             },
             {
-               "y" : 3,
+               "name" : "Dave Jacoby",
                "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby"
+               "y" : 3
             },
             {
-               "y" : 2,
                "drilldown" : "E. Choroba",
+               "y" : 2,
                "name" : "E. Choroba"
             },
             {
-               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti",
                "y" : 4,
-               "drilldown" : "Flavio Poletti"
+               "name" : "Flavio Poletti"
             },
             {
-               "y" : 2,
                "drilldown" : "Gustavo Chaves",
+               "y" : 2,
                "name" : "Gustavo Chaves"
             },
             {
+               "name" : "James Smith",
                "drilldown" : "James Smith",
-               "y" : 3,
-               "name" : "James Smith"
+               "y" : 3
             },
             {
-               "name" : "Jan Hoogenraad",
+               "drilldown" : "Jan Hoogenraad",
                "y" : 2,
-               "drilldown" : "Jan Hoogenraad"
+               "name" : "Jan Hoogenraad"
             },
             {
-               "name" : "Jorg Sommrey",
+               "y" : 2,
                "drilldown" : "Jorg Sommrey",
-               "y" : 2
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "name" : "Lubos Kolouch",
+               "y" : 2,
+               "drilldown" : "Lubos Kolouch"
             },
             {
                "y" : 4,
@@ -58,77 +68,55 @@
                "name" : "Luca Ferrari"
             },
             {
+               "name" : "Mark Anderson",
                "y" : 2,
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
+               "drilldown" : "Mark Anderson"
             },
             {
-               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
                "y" : 2,
-               "name" : "Niels van Dijke"
+               "drilldown" : "Niels van Dijke"
             },
             {
-               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio",
                "y" : 2,
-               "drilldown" : "Paulo Custodio"
+               "name" : "Paulo Custodio"
             },
             {
-               "name" : "Pete Houston",
+               "drilldown" : "Pete Houston",
                "y" : 2,
-               "drilldown" : "Pete Houston"
+               "name" : "Pete Houston"
             },
             {
-               "name" : "Roger Bell_West",
                "drilldown" : "Roger Bell_West",
-               "y" : 5
+               "y" : 5,
+               "name" : "Roger Bell_West"
             },
             {
-               "y" : 1,
                "drilldown" : "Simon Proctor",
+               "y" : 1,
                "name" : "Simon Proctor"
             },
             {
-               "y" : 4,
+               "name" : "Stuart Little",
                "drilldown" : "Stuart Little",
-               "name" : "Stuart Little"
+               "y" : 4
             },
             {
-               "name" : "Ulrich Rieke",
                "y" : 4,
-               "drilldown" : "Ulrich Rieke"
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke"
             },
             {
-               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
                "y" : 3,
-               "name" : "W. Luis Mochan"
+               "drilldown" : "W. Luis Mochan"
             }
          ],
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 097"
+         "name" : "Perl Weekly Challenge - 097",
+         "colorByPoint" : 1
       }
    ],
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "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" : [
          {
@@ -138,31 +126,30 @@
                   2
                ]
             ],
-            "name" : "Abigail",
-            "id" : "Abigail"
+            "id" : "Abigail",
+            "name" : "Abigail"
          },
          {
             "id" : "Alexander Pankoff",
-            "name" : "Alexander Pankoff",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Alexander Pankoff"
          },
          {
             "name" : "Colin Crain",
-            "id" : "Colin Crain",
             "data" : [
                [
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Colin Crain"
          },
          {
-            "name" : "Dave Jacoby",
             "id" : "Dave Jacoby",
             "data" : [
                [
@@ -173,17 +160,18 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Dave Jacoby"
          },
          {
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "E. Choroba",
-            "id" : "E. Choroba"
+            "name" : "E. Choroba"
          },
          {
             "name" : "Flavio Poletti",
@@ -200,47 +188,56 @@
             ]
          },
          {
-            "id" : "Gustavo Chaves",
-            "name" : "Gustavo Chaves",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Gustavo Chaves",
+            "name" : "Gustavo Chaves"
          },
          {
             "id" : "James Smith",
-            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
                   3
                ]
-            ]
+            ],
+            "name" : "James Smith"
          },
          {
-            "id" : "Jan Hoogenraad",
-            "name" : "Jan Hoogenraad",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Jan Hoogenraad",
+            "name" : "Jan Hoogenraad"
          },
          {
             "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Jorg Sommrey"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
          },
          {
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari",
             "data" : [
                [
@@ -251,47 +248,48 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Luca Ferrari"
          },
          {
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            "name" : "Mark Anderson"
          },
          {
-            "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
          },
          {
+            "name" : "Paulo Custodio",
+            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Paulo Custodio",
-            "id" : "Paulo Custodio"
+            ]
          },
          {
             "id" : "Pete Houston",
-            "name" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Pete Houston"
          },
          {
             "data" : [
@@ -308,8 +306,8 @@
                   1
                ]
             ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
          },
          {
             "name" : "Simon Proctor",
@@ -323,7 +321,6 @@
          },
          {
             "id" : "Stuart Little",
-            "name" : "Stuart Little",
             "data" : [
                [
                   "Perl",
@@ -333,11 +330,12 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Stuart Little"
          },
          {
-            "id" : "Ulrich Rieke",
             "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -350,7 +348,6 @@
             ]
          },
          {
-            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan",
             "data" : [
                [
@@ -361,12 +358,25 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "W. Luis Mochan"
          }
       ]
    },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
    "subtitle" : {
-      "text" : "[Champions: 20] Last updated at 2021-01-30 10:35:49 GMT"
+      "text" : "[Champions: 21] Last updated at 2021-01-31 01:24:23 GMT"
+   },
+   "legend" : {
+      "enabled" : 0
    },
    "chart" : {
       "type" : "column"
@@ -374,7 +384,12 @@
    "title" : {
       "text" : "Perl Weekly Challenge - 097"
    },
-   "legend" : {
-      "enabled" : 0
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index dd6581a70d..712afbcd6c 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,25 +1,4 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2021-01-30 10:35:49 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      }
-   },
    "series" : [
       {
          "data" : [
@@ -29,35 +8,56 @@
             ],
             [
                "Perl",
-               4504
+               4506
             ],
             [
                "Raku",
                2920
             ]
          ],
+         "name" : "Contributions",
          "dataLabels" : {
             "y" : 10,
+            "color" : "#FFFFFF",
             "align" : "right",
+            "rotation" : -90,
             "enabled" : "true",
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
             "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
             },
-            "rotation" : -90
-         },
-         "name" : "Contributions"
+            "format" : "{point.y:.0f}"
+         }
       }
    ],
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "yAxis" : {
       "title" : {
          "text" : null
       },
       "min" : 0
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-01-31 01:24:23 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index f4925f040b..e16ce8e455 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,4 +1,33 @@
 {
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-01-31 01:24:23 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -20,6 +49,8 @@
             "name" : "001"
          },
          {
+            "name" : "002",
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -33,11 +64,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "002",
-            "name" : "002"
+            ]
          },
          {
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -52,10 +82,11 @@
                   9
                ]
             ],
-            "id" : "003",
-            "name" : "003"
+            "id" : "003"
          },
          {
+            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -69,11 +100,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004",
-            "name" : "004"
+            ]
          },
          {
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -88,7 +118,6 @@
                   12
                ]
             ],
-            "id" : "005",
             "name" : "005"
          },
          {
@@ -106,10 +135,11 @@
                   7
                ]
             ],
-            "name" : "006",
-            "id" : "006"
+            "id" : "006",
+            "name" : "006"
          },
          {
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -124,12 +154,9 @@
                   10
                ]
             ],
-            "id" : "007",
             "name" : "007"
          },
          {
-            "id" : "008",
-            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -143,11 +170,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "008",
+            "name" : "008"
          },
          {
             "id" : "009",
-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -161,9 +189,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009"
          },
          {
+            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -178,10 +208,10 @@
                   11
                ]
             ],
-            "id" : "010",
             "name" : "010"
          },
          {
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -196,11 +226,9 @@
                   10
                ]
             ],
-            "name" : "011",
-            "id" : "011"
+            "name" : "011"
          },
          {
-            "id" : "012",
             "name" : "012",
             "data" : [
                [
@@ -215,7 +243,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "012"
          },
          {
             "name" : "013",
@@ -236,6 +265,7 @@
             ]
          },
          {
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -250,12 +280,9 @@
                   15
                ]
             ],
-            "name" : "014",
-            "id" : "014"
+            "name" : "014"
          },
          {
-            "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -269,7 +296,9 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "015",
+            "name" : "015"
          },
          {
             "data" : [
@@ -286,8 +315,8 @@
                   12
                ]
             ],
-            "name" : "016",
-            "id" : "016"
+            "id" : "016",
+            "name" : "016"
          },
          {
             "data" : [
@@ -308,6 +337,7 @@
             "name" : "017"
          },
          {
+            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -322,12 +352,10 @@
                   14
                ]
             ],
-            "id" : "018",
-            "name" : "018"
+            "id" : "018"
          },
          {
             "id" : "019",
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -341,10 +369,10 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "019"
          },
          {
-            "id" : "020",
             "name" : "020",
             "data" : [
                [
@@ -359,11 +387,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "020"
          },
          {
             "id" : "021",
-            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -377,7 +405,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "021"
          },
          {
             "name" : "022",
@@ -398,6 +427,7 @@
             ]
          },
          {
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -412,12 +442,11 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "id" : "023"
          },
          {
-            "id" : "024",
             "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -434,6 +463,7 @@
             ]
          },
          {
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -448,7 +478,6 @@
                   12
                ]
             ],
-            "name" : "025",
             "id" : "025"
          },
          {
@@ -470,6 +499,7 @@
             "name" : "026"
          },
          {
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -484,12 +514,9 @@
                   9
                ]
             ],
-            "name" : "027",
-            "id" : "027"
+            "name" : "027"
          },
          {
-            "id" : "028",
-            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -503,10 +530,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "028",
+            "name" : "028"
          },
          {
-            "name" : "029",
             "id" : "029",
             "data" : [
                [
@@ -521,9 +549,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "029"
          },
          {
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -538,12 +568,10 @@
                   10
                ]
             ],
-            "id" : "030",
             "name" : "030"
          },
          {
             "id" : "031",
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -557,11 +585,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031"
          },
          {
-            "id" : "032",
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -575,9 +602,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "032",
+            "name" : "032"
          },
          {
+            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -591,9 +622,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "033",
-            "id" : "033"
+            ]
          },
          {
             "data" : [
@@ -610,12 +639,10 @@
                   11
                ]
             ],
-            "name" : "034",
-            "id" : "034"
+            "id" : "034",
+            "name" : "034"
          },
          {
-            "id" : "035",
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -629,11 +656,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "035",
+            "name" : "035"
          },
          {
-            "name" : "036",
-            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -647,11 +674,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "036",
+            "name" : "036"
          },
          {
             "id" : "037",
-            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -665,9 +693,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "037"
          },
          {
+            "name" : "038",
+            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -681,13 +712,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "038",
-            "name" : "038"
+            ]
          },
          {
             "id" : "039",
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -701,11 +729,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "039"
          },
          {
-            "id" : "040",
-            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -719,10 +746,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "040",
+            "name" : "040"
          },
          {
-            "name" : "041",
             "id" : "041",
             "data" : [
                [
@@ -737,9 +765,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "041"
          },
          {
+            "name" : "042",
+            "id" : "042",
             "data" : [
                [
                   "Perl",
@@ -753,9 +784,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "042",
-            "name" : "042"
+            ]
          },
          {
             "name" : "043",
@@ -777,7 +806,6 @@
          },
          {
             "name" : "044",
-            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -791,9 +819,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "044"
          },
          {
+            "name" : "045",
+            "id" : "045",
             "data" : [
                [
                   "Perl",
@@ -807,13 +838,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "045",
-            "id" : "045"
+            ]
          },
          {
             "id" : "046",
-            "name" : "046",
             "data" : [
                [
                   "Perl",
@@ -827,9 +855,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "046"
          },
          {
+            "name" : "047",
+            "id" : "047",