- Added solutions by Jan Krnavek.

14 files changed, 1337 insertions, 1322 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 9c0a4dc608..75233a4ca3 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,8 +1,24 @@
 {
+   "xAxis" : {
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 11] Last updated at 2021-12-23 12:27:51 GMT"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 144"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -13,11 +29,12 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby"
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby"
          },
          {
-            "name" : "David Santiago",
             "id" : "David Santiago",
+            "name" : "David Santiago",
             "data" : [
                [
                   "Raku",
@@ -32,12 +49,20 @@
                   2
                ]
             ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            "name" : "E. Choroba",
+            "id" : "E. Choroba"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek"
          },
          {
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -47,31 +72,33 @@
                   "Blog",
                   4
                ]
-            ]
+            ],
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
          },
          {
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "name" : "Mark Anderson"
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson"
          },
          {
-            "id" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Mohammad S Anwar"
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar"
          },
          {
-            "name" : "Paulo Custodio",
             "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
@@ -80,6 +107,8 @@
             ]
          },
          {
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -89,12 +118,10 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith"
+            ]
          },
          {
-            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -109,7 +136,7 @@
                   1
                ]
             ],
-            "name" : "Roger Bell_West"
+            "id" : "Roger Bell_West"
          },
          {
             "data" : [
@@ -122,23 +149,35 @@
                   2
                ]
             ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke"
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 144"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "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/>"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "series" : [
       {
-         "name" : "The Weekly Challenge - 144",
-         "colorByPoint" : 1,
          "data" : [
             {
-               "y" : 3,
                "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
+               "drilldown" : "Dave Jacoby",
+               "y" : 3
             },
             {
                "y" : 1,
@@ -146,34 +185,39 @@
                "name" : "David Santiago"
             },
             {
-               "drilldown" : "E. Choroba",
                "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek",
                "y" : 2
             },
             {
-               "drilldown" : "Luca Ferrari",
                "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
                "y" : 6
             },
             {
-               "drilldown" : "Mark Anderson",
+               "y" : 1,
                "name" : "Mark Anderson",
-               "y" : 1
+               "drilldown" : "Mark Anderson"
             },
             {
-               "y" : 1,
+               "name" : "Mohammad S Anwar",
                "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar"
+               "y" : 1
             },
             {
-               "name" : "Paulo Custodio",
                "drilldown" : "Paulo Custodio",
+               "name" : "Paulo Custodio",
                "y" : 2
             },
             {
-               "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
                "name" : "Peter Campbell Smith",
-               "y" : 3
+               "drilldown" : "Peter Campbell Smith"
             },
             {
                "y" : 5,
@@ -185,38 +229,9 @@
                "drilldown" : "Ulrich Rieke",
                "y" : 4
             }
-         ]
-      }
-   ],
-   "legend" : {
-      "enabled" : 0
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
+         ],
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 144"
       }
-   },
-   "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/>"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 10] Last updated at 2021-12-22 03:02:50 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index bf6c746766..aae3411f41 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,8 +2,24 @@
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-12-23 12:27:51 GMT"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "series" : [
       {
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -15,49 +31,33 @@
             ],
             [
                "Raku",
-               4173
+               4175
             ]
          ],
          "dataLabels" : {
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "align" : "right",
-            "rotation" : -90,
-            "format" : "{point.y:.0f}",
             "y" : 10,
             "enabled" : "true",
-            "color" : "#FFFFFF"
-         },
-         "name" : "Contributions"
+            "color" : "#FFFFFF",
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            }
+         }
       }
    ],
+   "chart" : {
+      "type" : "column"
+   },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
-   },
-   "legend" : {
-      "enabled" : "false"
+      },
+      "min" : 0
    },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-12-22 03:02:50 GMT"
-   },
-   "chart" : {
-      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index ab41c5efa1..fd97bf0be7 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,10 +1,18 @@
 {
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-12-23 12:27:51 GMT"
+   },
    "legend" : {
       "enabled" : "false"
    },
    "series" : [
       {
-         "name" : "The Weekly Challenge Languages",
          "data" : [
             {
                "y" : 161,
@@ -12,24 +20,24 @@
                "name" : "#001"
             },
             {
-               "drilldown" : "002",
                "name" : "#002",
+               "drilldown" : "002",
                "y" : 125
             },
             {
                "y" : 83,
-               "name" : "#003",
-               "drilldown" : "003"
+               "drilldown" : "003",
+               "name" : "#003"
             },
             {
-               "name" : "#004",
+               "y" : 99,
                "drilldown" : "004",
-               "y" : 99
+               "name" : "#004"
             },
             {
-               "drilldown" : "005",
+               "y" : 78,
                "name" : "#005",
-               "y" : 78
+               "drilldown" : "005"
             },
             {
                "name" : "#006",
@@ -47,29 +55,29 @@
                "y" : 78
             },
             {
-               "y" : 76,
+               "name" : "#009",
                "drilldown" : "009",
-               "name" : "#009"
+               "y" : 76
             },
             {
                "y" : 65,
-               "drilldown" : "010",
-               "name" : "#010"
+               "name" : "#010",
+               "drilldown" : "010"
             },
             {
-               "y" : 85,
+               "drilldown" : "011",
                "name" : "#011",
-               "drilldown" : "011"
+               "y" : 85
             },
             {
+               "y" : 89,
                "name" : "#012",
-               "drilldown" : "012",
-               "y" : 89
+               "drilldown" : "012"
             },
             {
-               "y" : 85,
                "drilldown" : "013",
-               "name" : "#013"
+               "name" : "#013",
+               "y" : 85
             },
             {
                "y" : 101,
@@ -77,28 +85,28 @@
                "drilldown" : "014"
             },
             {
-               "y" : 99,
+               "name" : "#015",
                "drilldown" : "015",
-               "name" : "#015"
+               "y" : 99
             },
             {
-               "drilldown" : "016",
+               "y" : 71,
                "name" : "#016",
-               "y" : 71
+               "drilldown" : "016"
             },
             {
+               "y" : 84,
                "drilldown" : "017",
-               "name" : "#017",
-               "y" : 84
+               "name" : "#017"
             },
             {
+               "y" : 81,
                "drilldown" : "018",
-               "name" : "#018",
-               "y" : 81
+               "name" : "#018"
             },
             {
-               "name" : "#019",
                "drilldown" : "019",
+               "name" : "#019",
                "y" : 103
             },
             {
@@ -107,34 +115,34 @@
                "drilldown" : "020"
             },
             {
-               "y" : 72,
                "name" : "#021",
-               "drilldown" : "021"
+               "drilldown" : "021",
+               "y" : 72
             },
             {
-               "name" : "#022",
+               "y" : 68,
                "drilldown" : "022",
-               "y" : 68
+               "name" : "#022"
             },
             {
-               "name" : "#023",
+               "y" : 97,
                "drilldown" : "023",
-               "y" : 97
+               "name" : "#023"
             },
             {
+               "y" : 75,
                "name" : "#024",
-               "drilldown" : "024",
-               "y" : 75
+               "drilldown" : "024"
             },
             {
                "y" : 59,
-               "name" : "#025",
-               "drilldown" : "025"
+               "drilldown" : "025",
+               "name" : "#025"
             },
             {
-               "drilldown" : "026",
+               "y" : 74,
                "name" : "#026",
-               "y" : 74
+               "drilldown" : "026"
             },
             {
                "name" : "#027",
@@ -142,9 +150,9 @@
                "y" : 62
             },
             {
+               "y" : 82,
                "name" : "#028",
-               "drilldown" : "028",
-               "y" : 82
+               "drilldown" : "028"
             },
             {
                "name" : "#029",
@@ -152,19 +160,19 @@
                "y" : 81
             },
             {
-               "y" : 119,
+               "drilldown" : "030",
                "name" : "#030",
-               "drilldown" : "030"
+               "y" : 119
             },
             {
-               "y" : 89,
                "name" : "#031",
-               "drilldown" : "031"
+               "drilldown" : "031",
+               "y" : 89
             },
             {
                "y" : 94,
-               "name" : "#032",
-               "drilldown" : "032"
+               "drilldown" : "032",
+               "name" : "#032"
             },
             {
                "y" : 110,
@@ -172,54 +180,54 @@
                "name" : "#033"
             },
             {
+               "y" : 64,
                "name" : "#034",
-               "drilldown" : "034",
-               "y" : 64
+               "drilldown" : "034"
             },
             {
-               "y" : 64,
+               "name" : "#035",
                "drilldown" : "035",
-               "name" : "#035"
+               "y" : 64
             },
             {
+               "y" : 68,
                "name" : "#036",
-               "drilldown" : "036",
-               "y" : 68
+               "drilldown" : "036"
             },
             {
                "y" : 67,
-               "drilldown" : "037",
-               "name" : "#037"
+               "name" : "#037",
+               "drilldown" : "037"
             },
             {
-               "drilldown" : "038",
                "name" : "#038",
+               "drilldown" : "038",
                "y" : 68
             },
             {
-               "name" : "#039",
                "drilldown" : "039",
+               "name" : "#039",
                "y" : 62
             },
             {
-               "y" : 73,
+               "drilldown" : "040",
                "name" : "#040",
-               "drilldown" : "040"
+               "y" : 73
             },
             {
-               "y" : 76,
                "drilldown" : "041",
-               "name" : "#041"
+               "name" : "#041",
+               "y" : 76
             },
             {
-               "name" : "#042",
                "drilldown" : "042",
+               "name" : "#042",
                "y" : 92
             },
             {
-               "y" : 68,
+               "name" : "#043",
                "drilldown" : "043",
-               "name" : "#043"
+               "y" : 68
             },
             {
                "y" : 85,
@@ -227,9 +235,9 @@
                "drilldown" : "044"
             },
             {
+               "y" : 96,
                "drilldown" : "045",
-               "name" : "#045",
-               "y" : 96
+               "name" : "#045"
             },
             {
                "name" : "#046",
@@ -237,19 +245,19 @@
                "y" : 87
             },
             {
-               "name" : "#047",
+               "y" : 84,
                "drilldown" : "047",
-               "y" : 84
+               "name" : "#047"
             },
             {
+               "y" : 108,
                "drilldown" : "048",
-               "name" : "#048",
-               "y" : 108
+               "name" : "#048"
             },
             {
-               "drilldown" : "049",
+               "y" : 89,
                "name" : "#049",
-               "y" : 89
+               "drilldown" : "049"
             },
             {
                "drilldown" : "050",
@@ -263,23 +271,23 @@
             },
             {
                "y" : 91,
-               "drilldown" : "052",
-               "name" : "#052"
+               "name" : "#052",
+               "drilldown" : "052"
             },
             {
-               "y" : 101,
+               "drilldown" : "053",
                "name" : "#053",
-               "drilldown" : "053"
+               "y" : 101
             },
             {
                "y" : 103,
-               "name" : "#054",
-               "drilldown" : "054"
+               "drilldown" : "054",
+               "name" : "#054"
             },
             {
                "y" : 88,
-               "drilldown" : "055",
-               "name" : "#055"
+               "name" : "#055",
+               "drilldown" : "055"
             },
             {
                "y" : 95,
@@ -288,38 +296,38 @@
             },
             {
                "y" : 80,
-               "drilldown" : "057",
-               "name" : "#057"
+               "name" : "#057",
+               "drilldown" : "057"
             },
             {
-               "drilldown" : "058",
+               "y" : 69,
                "name" : "#058",
-               "y" : 69
+               "drilldown" : "058"
             },
             {
-               "drilldown" : "059",
+               "y" : 89,
                "name" : "#059",
-               "y" : 89
+               "drilldown" : "059"
             },
             {
-               "drilldown" : "060",
+               "y" : 85,
                "name" : "#060",
-               "y" : 85
+               "drilldown" : "060"
             },
             {
-               "y" : 81,
+               "name" : "#061",
                "drilldown" : "061",
-               "name" : "#061"
+               "y" : 81
             },
             {
-               "y" : 58,
                "name" : "#062",
-               "drilldown" : "062"
+               "drilldown" : "062",
+               "y" : 58
             },
             {
                "y" : 89,
-               "name" : "#063",
-               "drilldown" : "063"
+               "drilldown" : "063",
+               "name" : "#063"
             },
             {
                "y" : 80,
@@ -327,24 +335,24 @@
                "name" : "#064"
             },
             {
-               "y" : 73,
+               "drilldown" : "065",
                "name" : "#065",
-               "drilldown" : "065"
+               "y" : 73
             },
             {
-               "drilldown" : "066",
                "name" : "#066",
+               "drilldown" : "066",
                "y" : 84
             },
             {
+               "y" : 90,
                "drilldown" : "067",
-               "name" : "#067",
-               "y" : 90
+               "name" : "#067"
             },
             {
+               "y" : 75,
                "drilldown" : "068",
-               "name" : "#068",
-               "y" : 75
+               "name" : "#068"
             },
             {
                "y" : 83,
@@ -352,13 +360,13 @@
                "drilldown" : "069"
             },
             {
-               "y" : 93,
                "name" : "#070",
-               "drilldown" : "070"
+               "drilldown" : "070",
+               "y" : 93
             },
             {
-               "drilldown" : "071",
                "name" : "#071",
+               "drilldown" : "071",
                "y" : 78
             },
             {
@@ -367,14 +375,14 @@
                "drilldown" : "072"
             },
             {
-               "drilldown" : "073",
+               "y" : 110,
                "name" : "#073",
-               "y" : 110
+               "drilldown" : "073"
             },
             {
-               "y" : 115,
+               "name" : "#074",
                "drilldown" : "074",
-               "name" : "#074"
+               "y" : 115
             },
             {
                "y" : 115,
@@ -382,28 +390,28 @@
                "name" : "#075"
             },
             {
+               "y" : 99,
                "name" : "#076",
-               "drilldown" : "076",
-               "y" : 99
+               "drilldown" : "076"
             },
             {
-               "name" : "#077",
                "drilldown" : "077",
+               "name" : "#077",
                "y" : 98
             },
             {
+               "y" : 127,
                "name" : "#078",
-               "drilldown" : "078",
-               "y" : 127
+               "drilldown" : "078"
             },
             {
-               "drilldown" : "079",
+               "y" : 122,
                "name" : "#079",
-               "y" : 122
+               "drilldown" : "079"
             },
             {
-               "drilldown" : "080",
                "name" : "#080",
+               "drilldown" : "080",
                "y" : 127
             },
             {
@@ -422,9 +430,9 @@
                "y" : 127
             },
             {
-               "y" : 119,
                "name" : "#084",
-               "drilldown" : "084"
+               "drilldown" : "084",
+               "y" : 119
             },
             {
                "name" : "#085",
@@ -432,13 +440,13 @@
                "y" : 114
             },
             {
+               "y" : 104,
                "drilldown" : "086",
-               "name" : "#086",
-               "y" : 104
+               "name" : "#086"
             },
             {
-               "name" : "#087",
                "drilldown" : "087",
+               "name" : "#087",
                "y" : 101
             },
             {
@@ -447,23 +455,23 @@
                "drilldown" : "088"
             },
             {
-               "name" : "#089",
                "drilldown" : "089",
+               "name" : "#089",
                "y" : 113
             },
             {
-               "y" : 113,
+               "name" : "#090",
                "drilldown" : "090",
-               "name" : "#090"
+               "y" : 113
             },
             {
-               "y" : 108,
+               "name" : "#091",
                "drilldown" : "091",
-               "name" : "#091"
+               "y" : 108
             },
             {
-               "drilldown" : "092",
                "name" : "#092",
+               "drilldown" : "092",
                "y" : 98
             },
             {
@@ -472,14 +480,14 @@
                "y" : 87
             },
             {
-               "name" : "#094",
                "drilldown" : "094",
+               "name" : "#094",
                "y" : 87
             },
             {
                "y" : 108,
-               "drilldown" : "095",
-               "name" : "#095"
+               "name" : "#095",
+               "drilldown" : "095"
             },
             {
                "y" : 108,
@@ -492,13 +500,13 @@
                "name" : "#097"
             },
             {
-               "drilldown" : "098",
                "name" : "#098",
+               "drilldown" : "098",
                "y" : 108
             },
             {
-               "drilldown" : "099",
                "name" : "#099",
+               "drilldown" : "099",
                "y" : 97
             },
             {
@@ -507,14 +515,14 @@
                "drilldown" : "100"
             },
             {
-               "y" : 83,
+               "name" : "#101",
                "drilldown" : "101",
-               "name" : "#101"
+               "y" : 83
             },
             {
-               "drilldown" : "102",
+               "y" : 90,
                "name" : "#102",
-               "y" : 90
+               "drilldown" : "102"
             },
             {
                "drilldown" : "103",
@@ -522,24 +530,24 @@
                "y" : 79
             },
             {
-               "name" : "#104",
+               "y" : 85,
                "drilldown" : "104",
-               "y" : 85
+               "name" : "#104"
             },
             {
-               "y" : 75,
+               "drilldown" : "105",
                "name" : "#105",
-               "drilldown" : "105"
+               "y" : 75
             },
             {
-               "y" : 97,
                "drilldown" : "106",
-               "name" : "#106"
+               "name" : "#106",
+               "y" : 97
             },
             {
                "y" : 90,
-               "drilldown" : "107",
-               "name" : "#107"
+               "name" : "#107",
+               "drilldown" : "107"
             },
             {
                "name" : "#108",
@@ -547,14 +555,14 @@
                "y" : 94
             },
             {
+               "y" : 107,
                "drilldown" : "109",
-               "name" : "#109",
-               "y" : 107
+               "name" : "#109"
             },
             {
-               "y" : 108,
                "name" : "#110",
-               "drilldown" : "110"
+               "drilldown" : "110",
+               "y" : 108
             },
             {
                "y" : 91,
@@ -562,9 +570,9 @@
                "name" : "#111"
             },
             {
+               "y" : 92,
                "drilldown" : "112",
-               "name" : "#112",
-               "y" : 92
+               "name" : "#112"
             },
             {
                "y" : 92,
@@ -572,9 +580,9 @@
                "drilldown" : "113"
             },
             {
-               "y" : 108,
                "drilldown" : "114",
-               "name" : "#114"
+               "name" : "#114",
+               "y" : 108
             },
             {
                "y" : 96,
@@ -587,44 +595,44 @@
                "drilldown" : "116"