- Added solutions by Lubos Kolouch.

13 files changed, 1666 insertions, 1651 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index b7fa2073e3..aae4889a62 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,123 +1,9 @@
 {
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 127",
-         "data" : [
-            {
-               "y" : 1,
-               "drilldown" : "Andrew Shitov",
-               "name" : "Andrew Shitov"
-            },
-            {
-               "name" : "Andrezgz",
-               "drilldown" : "Andrezgz",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Cheok-Yin Fung",
-               "drilldown" : "Cheok-Yin Fung"
-            },
-            {
-               "y" : 3,
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "y" : 2,
-               "name" : "Duane Powell",
-               "drilldown" : "Duane Powell"
-            },
-            {
-               "y" : 6,
-               "drilldown" : "Flavio Poletti",
-               "name" : "Flavio Poletti"
-            },
-            {
-               "y" : 3,
-               "name" : "James Smith",
-               "drilldown" : "James Smith"
-            },
-            {
-               "y" : 2,
-               "name" : "Jan Krnavek",
-               "drilldown" : "Jan Krnavek"
-            },
-            {
-               "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari",
-               "y" : 4
-            },
-            {
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
-               "y" : 1
-            },
-            {
-               "y" : 2,
-               "name" : "Matthew Neleigh",
-               "drilldown" : "Matthew Neleigh"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke"
-            },
-            {
-               "name" : "Olivier Delouya",
-               "drilldown" : "Olivier Delouya",
-               "y" : 1
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
-            },
-            {
-               "name" : "Steven Wilson",
-               "drilldown" : "Steven Wilson",
-               "y" : 1
-            },
-            {
-               "drilldown" : "Stuart Little",
-               "name" : "Stuart Little",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke",
-               "y" : 4
-            },
-            {
-               "y" : 3,
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan"
-            }
-         ]
-      }
-   ],
-   "legend" : {
-      "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 20] Last updated at 2021-08-28 10:10:51 GMT"
-   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Andrew Shitov",
             "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
@@ -126,27 +12,26 @@
             ]
          },
          {
-            "name" : "Andrezgz",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Andrezgz",
             "id" : "Andrezgz"
          },
          {
+            "name" : "Cheok-Yin Fung",
             "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Cheok-Yin Fung"
+            ]
          },
          {
-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -157,19 +42,21 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby"
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby"
          },
          {
-            "id" : "Duane Powell",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Duane Powell",
             "name" : "Duane Powell"
          },
          {
+            "id" : "Flavio Poletti",
             "name" : "Flavio Poletti",
             "data" : [
                [
@@ -184,11 +71,11 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Flavio Poletti"
+            ]
          },
          {
             "name" : "James Smith",
+            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -198,22 +85,21 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "James Smith"
+            ]
          },
          {
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Jan Krnavek",
-            "id" : "Jan Krnavek"
+            ]
          },
          {
-            "id" : "Jorg Sommrey",
             "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
@@ -222,7 +108,18 @@
             ]
          },
          {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Lubos Kolouch",
+            "id" : "Lubos Kolouch"
+         },
+         {
             "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -232,52 +129,49 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Luca Ferrari"
+            ]
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            ]
          },
          {
-            "id" : "Matthew Neleigh",
-            "name" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Matthew Neleigh",
+            "id" : "Matthew Neleigh"
          },
          {
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke"
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
          },
          {
             "name" : "Olivier Delouya",
+            "id" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Olivier Delouya"
+            ]
          },
          {
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -291,30 +185,31 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
          },
          {
-            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
+            "name" : "Simon Proctor",
             "id" : "Simon Proctor"
          },
          {
-            "id" : "Steven Wilson",
-            "name" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Steven Wilson",
+            "name" : "Steven Wilson"
          },
          {
-            "id" : "Stuart Little",
             "data" : [
                [
                   "Perl",
@@ -325,9 +220,12 @@
                   2
                ]
             ],
-            "name" : "Stuart Little"
+            "name" : "Stuart Little",
+            "id" : "Stuart Little"
          },
          {
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -337,12 +235,11 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke"
+            ]
          },
          {
             "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -352,37 +249,155 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "W. Luis Mochan"
+            ]
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 127"
+   "xAxis" : {
+      "type" : "category"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 1,
+               "drilldown" : "Andrew Shitov",
+               "name" : "Andrew Shitov"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Andrezgz",
+               "name" : "Andrezgz"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby"
+            },
+            {
+               "name" : "Duane Powell",
+               "y" : 2,
+               "drilldown" : "Duane Powell"
+            },
+            {
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti",
+               "y" : 6
+            },
+            {
+               "drilldown" : "James Smith",
+               "y" : 3,
+               "name" : "James Smith"
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "y" : 2,
+               "name" : "Jan Krnavek"
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "y" : 2,
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "name" : "Lubos Kolouch",
+               "y" : 2,
+               "drilldown" : "Lubos Kolouch"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "y" : 4,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 1,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "name" : "Matthew Neleigh",
+               "drilldown" : "Matthew Neleigh",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
+            },
+            {
+               "name" : "Olivier Delouya",
+               "y" : 1,
+               "drilldown" : "Olivier Delouya"
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "name" : "Simon Proctor",
+               "y" : 1,
+               "drilldown" : "Simon Proctor"
+            },
+            {
+               "name" : "Steven Wilson",
+               "drilldown" : "Steven Wilson",
+               "y" : 1
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Stuart Little",
+               "name" : "Stuart Little"
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 127"
       }
-   },
+   ],
    "chart" : {
       "type" : "column"
    },
+   "subtitle" : {
+      "text" : "[Champions: 21] Last updated at 2021-08-28 11:55:11 GMT"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "xAxis" : {
-      "type" : "category"
+   "title" : {
+      "text" : "The Weekly Challenge - 127"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
    },
    "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/>"
+   },
+   "legend" : {
+      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 237214886f..5b840e77d3 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,18 +1,15 @@
 {
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "series" : [
       {
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "y" : 10,
-            "color" : "#FFFFFF",
-            "rotation" : -90,
-            "enabled" : "true",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "align" : "right"
-         },
          "data" : [
             [
                "Blog",
@@ -20,44 +17,47 @@
             ],
             [
                "Perl",
-               6074
+               6076
             ],
             [
                "Raku",
                3767
             ]
          ],
+         "dataLabels" : {
+            "y" : 10,
+            "align" : "right",
+            "enabled" : "true",
+            "rotation" : -90,
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            }
+         },
          "name" : "Contributions"
       }
    ],
-   "legend" : {
-      "enabled" : "false"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-08-28 10:10:51 GMT"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
    },
    "chart" : {
       "type" : "column"
    },
    "yAxis" : {
+      "min" : 0,
       "title" : {
          "text" : null
-      },
-      "min" : 0
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
+      }
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "subtitle" : {
+      "text" : "Last updated at 2021-08-28 11:55:11 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 9128535567..d353576224 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,19 +1,40 @@
 {
+   "legend" : {
+      "enabled" : "false"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true"
+   },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
+            "enabled" : 1,
+            "format" : "{point.y}"
          },
          "borderWidth" : 0
       }
    },
-   "title" : {
-      "text" : "The Weekly Challenge Language"
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-08-28 11:55:11 GMT"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -27,12 +48,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "001",
-            "id" : "001"
+            ]
          },
          {
             "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -46,10 +66,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "002"
+            ]
          },
          {
+            "id" : "003",
             "name" : "003",
             "data" : [
                [
@@ -64,10 +84,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003"
+            ]
          },
          {
+            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -81,11 +102,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004",
-            "id" : "004"
+            ]
          },
          {
+            "id" : "005",
+            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -99,11 +120,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "005",
-            "id" : "005"
+            ]
          },
          {
+            "name" : "006",
             "id" : "006",
             "data" : [
                [
@@ -118,8 +138,7 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006"
+            ]
          },
          {
             "data" : [
@@ -136,10 +155,11 @@
                   10
                ]
             ],
-            "name" : "007",
-            "id" : "007"
+            "id" : "007",
+            "name" : "007"
          },
          {
+            "name" : "008",
             "id" : "008",
             "data" : [
                [
@@ -154,8 +174,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008"
+            ]
          },
          {
             "id" : "009",
@@ -176,8 +195,8 @@
             ]
          },
          {
-            "id" : "010",
             "name" : "010",
+            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -194,7 +213,6 @@
             ]
          },
          {
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -209,11 +227,10 @@
                   10
                ]
             ],
+            "name" : "011",
             "id" : "011"
          },
          {
-            "id" : "012",
-            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -227,11 +244,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "012",
+            "id" : "012"
          },
          {
-            "id" : "013",
-            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -245,10 +262,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "013",
+            "name" : "013"
          },
          {
-            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -263,9 +281,12 @@
                   15
                ]
             ],
-            "name" : "014"
+            "name" : "014",
+            "id" : "014"
          },
          {
+            "name" : "015",
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -279,9 +300,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "015",
-            "id" : "015"
+            ]
          },
          {
             "data" : [
@@ -302,6 +321,7 @@
             "id" : "016"
          },
          {
+            "id" : "017",
             "name" : "017",
             "data" : [
                [
@@ -316,11 +336,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "017"
+            ]
          },
          {
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -335,7 +353,8 @@
                   14
                ]
             ],
-            "name" : "018"
+            "name" : "018",
+            "id" : "018"
          },
          {
             "data" : [
@@ -356,7 +375,6 @@
             "id" : "019"
          },
          {
-            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -371,10 +389,12 @@
                   13
                ]
             ],
-            "id" : "020"
+            "id" : "020",
+            "name" : "020"
          },
          {
             "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -388,11 +408,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021"
+            ]
          },
          {
-            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -407,9 +425,11 @@
                   10
                ]
             ],
+            "id" : "022",
             "name" : "022"
          },
          {
+            "name" : "023",
             "id" : "023",
             "data" : [
                [
@@ -424,11 +444,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "023"
+            ]
          },
          {
-            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -443,10 +461,12 @@
                   11
                ]
             ],
+            "name" : "024",
             "id" : "024"
          },
          {
             "name" : "025",
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -460,8 +480,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025"
+            ]
          },
          {
             "data" : [
@@ -496,8 +515,8 @@
                   9
                ]
             ],
-            "name" : "027",
-            "id" : "027"
+            "id" : "027",
+            "name" : "027"
          },
          {
             "id" : "028",
@@ -519,6 +538,7 @@
          },
          {
             "name" : "029",
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -532,10 +552,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "029"
+            ]
          },
          {
+            "id" : "030",
+            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -549,11 +570,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "030",
-            "id" : "030"
+            ]
          },
          {
+            "name" : "031",
             "id" : "031",
             "data" : [
                [
@@ -568,11 +588,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "031"
+            ]
          },
          {
-            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -587,11 +605,12 @@
                   10
                ]
             ],
-            "name" : "032"
+            "name" : "032",
+            "id" : "032"
          },
          {
-            "id" : "033",
             "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -608,7 +627,6 @@
             ]
          },
          {
-            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -623,6 +641,7 @@
                   11
                ]
             ],
+            "id" : "034",
             "name" : "034"
          },
          {
@@ -644,7 +663,6 @@
             ]
          },
          {
-            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -659,9 +677,11 @@
                   11
                ]
             ],
-            "name" : "036"
+            "name" : "036",
+            "id" : "036"
          },
          {
+            "name" : "037",
             "id" : "037",
             "data" : [
                [
@@ -676,10 +696,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "037"
+            ]
          },
          {
+            "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -693,11 +714,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "038",
-            "id" : "038"
+            ]
          },
          {
+            "name" : "039",
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -711,11 +732,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "039",
-            "id" : "039"
+