- Added solutions by Niels van Dijke.

14 files changed, 1403 insertions, 1388 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index ae8c3c8e5f..7d36ac06fc 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,18 +1,91 @@
 {
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-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
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-            "format" : "{point.y}"
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+   "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/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "subtitle" : {
+      "text" : "[Champions: 11] Last updated at 2022-01-12 14:07:33 GMT"
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 147",
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "name" : "Alexander Karelas",
+               "drilldown" : "Alexander Karelas",
+               "y" : 1
+            },
+            {
+               "name" : "James Smith",
+               "drilldown" : "James Smith",
+               "y" : 3
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 7
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Mohammad S Anwar",
+               "drilldown" : "Mohammad S Anwar"
+            },
+            {
+               "y" : 2,
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "y" : 5,
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ]
       }
+   ],
+   "title" : {
+      "text" : "The Weekly Challenge - 147"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Alexander Karelas",
             "name" : "Alexander Karelas",
+            "id" : "Alexander Karelas",
             "data" : [
                [
                   "Perl",
@@ -31,10 +104,12 @@
                   1
                ]
             ],
-            "name" : "James Smith",
-            "id" : "James Smith"
+            "id" : "James Smith",
+            "name" : "James Smith"
          },
          {
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -44,9 +119,7 @@
                   "Blog",
                   5
                ]
-            ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            ]
          },
          {
             "data" : [
@@ -55,11 +128,10 @@
                   2
                ]
             ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
          },
          {
-            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
@@ -70,11 +142,22 @@
                   1
                ]
             ],
-            "id" : "Mohammad S Anwar"
+            "id" : "Mohammad S Anwar",
+            "name" : "Mohammad S Anwar"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
          },
          {
-            "id" : "Peter Campbell Smith",
             "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -87,7 +170,6 @@
             ]
          },
          {
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -102,21 +184,20 @@
                   1
                ]
             ],
-            "name" : "Roger Bell_West"
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West"
          },
          {
-            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Simon Proctor"
+            "id" : "Simon Proctor",
+            "name" : "Simon Proctor"
          },
          {
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -126,7 +207,9 @@
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
          },
          {
             "id" : "W. Luis Mochan",
@@ -144,87 +227,19 @@
          }
       ]
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 147"
-   },
-   "series" : [
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-         "data" : [
-            {
-               "drilldown" : "Alexander Karelas",
-               "name" : "Alexander Karelas",
-               "y" : 1
-            },
-            {
-               "y" : 3,
-               "drilldown" : "James Smith",
-               "name" : "James Smith"
-            },
-            {
-               "y" : 7,
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "y" : 2,
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar",
-               "y" : 2
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
-            }
-         ],
-         "name" : "The Weekly Challenge - 147",
-         "colorByPoint" : 1
-      }
-   ],
    "legend" : {
       "enabled" : 0
    },
-   "chart" : {
-      "type" : "column"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
    },
-   "subtitle" : {
-      "text" : "[Champions: 10] Last updated at 2022-01-12 11:54:51 GMT"
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 3f7d100cef..715e579340 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,31 +1,12 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "legend" : {
-      "enabled" : "false"
+   "subtitle" : {
+      "text" : "Last updated at 2022-01-12 14:07:32 GMT"
    },
    "series" : [
       {
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -33,31 +14,50 @@
             ],
             [
                "Perl",
-               7068
+               7070
             ],
             [
                "Raku",
                4261
             ]
          ],
+         "name" : "Contributions",
          "dataLabels" : {
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
             "y" : 10,
-            "enabled" : "true",
+            "format" : "{point.y:.0f}",
+            "align" : "right",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "align" : "right"
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "rotation" : -90
          }
       }
    ],
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
    "chart" : {
       "type" : "column"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2022-01-12 11:54:51 GMT"
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 2dbe846b3c..9484a2567f 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -2,11 +2,6 @@
    "xAxis" : {
       "type" : "category"
    },
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : "true",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>"
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    "drilldown" : {
       "series" : [
          {
@@ -24,12 +19,10 @@
                   11
                ]
             ],
-            "name" : "001",
-            "id" : "001"
+            "id" : "001",
+            "name" : "001"
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-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -43,7 +36,9 @@
                   "Blog",
                   10
                ]
-            ]
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+            "name" : "002"
          },
          {
             "data" : [
@@ -64,8 +59,6 @@
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-            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -79,10 +72,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "004",
+            "name" : "004"
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-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -97,10 +91,10 @@
                   12
                ]
             ],
+            "name" : "005",
             "id" : "005"
          },
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-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -115,10 +109,12 @@
                   7
                ]
             ],
+            "name" : "006",
             "id" : "006"
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             "id" : "007",
+            "name" : "007",
             "data" : [
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                   "Perl",
@@ -132,8 +128,7 @@
                   "Blog",
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-            "name" : "007"
+            ]
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          {
             "data" : [
@@ -186,10 +181,12 @@
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                ]
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-            "name" : "010",
-            "id" : "010"
+            "id" : "010",
+            "name" : "010"
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+            "id" : "011",
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@@ -203,12 +200,9 @@
                   "Blog",
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-            ],
-            "name" : "011",
-            "id" : "011"
+            ]
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-            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -223,10 +217,12 @@
                   11
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             ],
+            "name" : "012",
             "id" : "012"
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+            "name" : "013",
             "data" : [
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@@ -240,11 +236,9 @@
                   "Blog",
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-            "name" : "014",
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                [
                   "Perl",
@@ -259,6 +253,7 @@
                   15
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+            "name" : "014",
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          {
@@ -280,6 +275,8 @@
             ]
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+            "id" : "016",
+            "name" : "016",
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                   "Perl",
@@ -293,11 +290,11 @@
                   "Blog",
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-            ],
-            "name" : "016",
-            "id" : "016"
+            ]
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+            "name" : "017",
+            "id" : "017",
             "data" : [
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                   "Perl",
@@ -311,9 +308,7 @@
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-            "id" : "017"
+            ]
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@@ -334,6 +329,8 @@
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                   "Perl",
@@ -347,11 +344,10 @@
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+            ]
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@@ -366,8 +362,7 @@
                   "Blog",
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@@ -388,6 +383,8 @@
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@@ -401,12 +398,9 @@
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@@ -421,11 +415,10 @@
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@@ -439,11 +432,13 @@
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+            "name" : "024"
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@@ -496,6 +491,8 @@
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@@ -509,9 +506,7 @@
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@@ -532,6 +527,8 @@
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@@ -545,12 +542,9 @@
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@@ -565,9 +559,12 @@
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@@ -581,13 +578,9 @@
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@@ -601,10 +594,11 @@
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@@ -619,9 +613,11 @@
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@@ -636,12 +632,9 @@
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@@ -655,11 +648,11 @@
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@@ -673,10 +666,13 @@
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@@ -690,10 +686,11 @@
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@@ -707,12 +704,11 @@
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@@ -726,8 +722,7 @@
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@@ -744,11 +739,10 @@
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@@ -763,10 +757,10 @@
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@@ -781,10 +775,12 @@
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@@ -798,11 +794,11 @@
                   "Blog",
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-            "name" : "044"
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+            "id" : "045",
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                   "Perl",
@@ -816,11 +812,9 @@
                   "Blog",
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                   "Perl",
@@ -835,10 +829,10 @@
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                   "Perl",
@@ -853,10 +847,12 @@
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                   "Perl",
@@ -870,10 +866,10 @@
                   "Blog",
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@@ -888,8 +884,7 @@
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@@ -910,8 +905,6 @@
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-            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -925,10 +918,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "051",
+            "id" : "051"
          },
          {
             "name" : "052",
+            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -942,8 +938,7 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "052"
+            ]
          },
          {
             "id" : "053",
@@ -965,6 +960,7 @@
          },
          {
             "name" : "054",
+            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -978,11 +974,9 @@
                   "Blog",
                   18
                ]
-            ],
-            "id" : "054"
+            ]
          },
          {
-            "id" : "055",
             "data" : [
                [
                   "Perl",
@@ -997,10 +991,12 @@
                   14
                ]
             ],
-            "name" : "055"
+            "name" : "055",
+            "id" : "055"
          },
          {
             "name" : "056",
+            "id" : "056",
             "data" : [
                [
                   "Perl",
@@ -1014,11 +1010,9 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "056"
+            ]
          },
          {
-            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1033,10 +1027,12 @@
                   15
                ]
             ],
+            "id" : "057",
             "name" : "057"
          },
          {
             "name" : "058",
+            "id" : "058",
             "data" : [
                [
                   "Perl",
@@ -1050,10 +1046,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "058"
+            ]
          },
          {
+            "name" : "059",
+            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1067,11 +1064,11 @@
                   "Blog",
                   16
                ]
-            ],
-            "name" : "059",
-            "id" : "059"
+            ]
          },
          {
+            "id" : "060",
+            "name" : "060",
             "data" : [
                [
                   "Perl",
@@ -1085,12 +1082,9 @@
                   "Blog",
                   16
                ]
-            ],
-            "name" : "060",
-            "id" : "060"
+            ]
          },
          {
-            "id" : "061",
             "data" : [
                [
                   "Perl",
@@ -1105,11 +1099,10 @@
                   14
                ]
             ],
+            "id" : "061",
             "name" : "061"
          },
          {
-            "id" : "062",
-            "name" : "062",
             "data" : [
                [
                   "Perl",
@@ -1123,11 +1116,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "062",
+            "id" : "062"
          },
          {
-            "id" : "063",
-            "name" : "063",
             "data" : [
                [
                   "Perl",
@@ -1141,10 +1134,11 @@