- Added solutions by Cheok-Yin Fung.

14 files changed, 1216 insertions, 1201 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 83ae4fb79f..901d7b216b 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,7 +1,30 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2022-06-05 15:04:23 GMT"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "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
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 167"
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Athanasius",
             "name" : "Athanasius",
             "data" : [
                [
@@ -12,10 +35,20 @@
                   "Raku",
                   2
                ]
+            ]
+         },
+         {
+            "id" : "Cheok-Yin Fung",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
             ],
-            "id" : "Athanasius"
+            "name" : "Cheok-Yin Fung"
          },
          {
+            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby",
             "data" : [
                [
@@ -26,8 +59,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Dave Jacoby"
+            ]
          },
          {
             "name" : "James Smith",
@@ -44,24 +76,24 @@
             "id" : "James Smith"
          },
          {
-            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "name" : "Jan Krnavek"
+            "id" : "Jan Krnavek"
          },
          {
-            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Jorg Sommrey"
+            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey"
          },
          {
             "data" : [
@@ -70,8 +102,8 @@
                   1
                ]
             ],
-            "id" : "Julien Fiegehenn",
-            "name" : "Julien Fiegehenn"
+            "name" : "Julien Fiegehenn",
+            "id" : "Julien Fiegehenn"
          },
          {
             "data" : [
@@ -88,21 +120,20 @@
                   1
                ]
             ],
-            "id" : "Laurent Rosenfeld",
-            "name" : "Laurent Rosenfeld"
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
          },
          {
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch"
+            ]
          },
          {
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -113,41 +144,40 @@
                   4
                ]
             ],
+            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari"
          },
          {
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
+            "id" : "Mohammad S Anwar",
+            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Mohammad S Anwar",
-            "name" : "Mohammad S Anwar"
+            ]
          },
          {
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Niels van Dijke"
          },
          {
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -157,21 +187,23 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith"
          },
          {
+            "name" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Robert Ransbottom",
-            "name" : "Robert Ransbottom"
+            "id" : "Robert Ransbottom"
          },
          {
-            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -188,7 +220,7 @@
             ]
          },
          {
-            "name" : "Ryan Thompson",
+            "id" : "Ryan Thompson",
             "data" : [
                [
                   "Perl",
@@ -199,11 +231,11 @@
                   2
                ]
             ],
-            "id" : "Ryan Thompson"
+            "name" : "Ryan Thompson"
          },
          {
-            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -217,7 +249,6 @@
          },
          {
             "name" : "W. Luis Mochan",
-            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -227,106 +258,95 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "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
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2022-06-05 12:22:51 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 167"
-   },
    "series" : [
       {
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 167",
          "data" : [
             {
                "drilldown" : "Athanasius",
-               "name" : "Athanasius",
-               "y" : 4
+               "y" : 4,
+               "name" : "Athanasius"
+            },
+            {
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung",
+               "y" : 2
             },
             {
+               "drilldown" : "Dave Jacoby",
                "y" : 2,
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
+               "name" : "Dave Jacoby"
             },
             {
+               "drilldown" : "James Smith",
                "y" : 3,
-               "name" : "James Smith",
-               "drilldown" : "James Smith"
+               "name" : "James Smith"
             },
             {
+               "name" : "Jan Krnavek",
                "y" : 1,
-               "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek"
+               "drilldown" : "Jan Krnavek"
             },
             {
+               "y" : 2,
                "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey",
-               "y" : 2
+               "drilldown" : "Jorg Sommrey"
             },
             {
+               "drilldown" : "Julien Fiegehenn",
                "y" : 1,
-               "name" : "Julien Fiegehenn",
-               "drilldown" : "Julien Fiegehenn"
+               "name" : "Julien Fiegehenn"
             },
             {
-               "y" : 4,
                "name" : "Laurent Rosenfeld",
+               "y" : 4,
                "drilldown" : "Laurent Rosenfeld"
             },
             {
                "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch",
-               "y" : 1
+               "y" : 1,
+               "name" : "Lubos Kolouch"
             },
             {
-               "name" : "Luca Ferrari",
                "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
                "y" : 6
             },
             {
+               "y" : 2,
                "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
-               "y" : 2
+               "drilldown" : "Mark Anderson"
             },
             {
-               "drilldown" : "Mohammad S Anwar",
                "name" : "Mohammad S Anwar",
-               "y" : 1
+               "y" : 1,
+               "drilldown" : "Mohammad S Anwar"
             },
             {
-               "name" : "Niels van Dijke",
                "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
                "y" : 1
             },
             {
+               "y" : 3,
                "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3
+               "drilldown" : "Peter Campbell Smith"
             },
             {
                "name" : "Robert Ransbottom",
-               "drilldown" : "Robert Ransbottom",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Robert Ransbottom"
             },
             {
-               "drilldown" : "Roger Bell_West",
                "name" : "Roger Bell_West",
-               "y" : 5
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
             },
             {
                "drilldown" : "Ryan Thompson",
@@ -334,33 +354,28 @@
                "y" : 4
             },
             {
-               "y" : 2,
                "drilldown" : "Ulrich Rieke",
+               "y" : 2,
                "name" : "Ulrich Rieke"
             },
             {
-               "y" : 3,
                "name" : "W. Luis Mochan",
+               "y" : 3,
                "drilldown" : "W. Luis Mochan"
             }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 167"
+         ]
       }
    ],
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "format" : "{point.y}",
             "enabled" : 1
-         }
+         },
+         "borderWidth" : 0
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 9ea9c515f3..5044bf0ffd 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,19 +1,33 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2022-06-05 15:04:23 GMT"
+   },
    "xAxis" : {
-      "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
-      }
+      },
+      "type" : "category"
    },
-   "chart" : {
-      "type" : "column"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "legend" : {
+      "enabled" : "false"
    },
    "series" : [
       {
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -21,43 +35,29 @@
             ],
             [
                "Perl",
-               8141
+               8143
             ],
             [
                "Raku",
                4821
             ]
          ],
+         "name" : "Contributions",
          "dataLabels" : {
-            "enabled" : "true",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "y" : 10,
             "color" : "#FFFFFF",
-            "align" : "right",
             "format" : "{point.y:.0f}",
-            "rotation" : -90
+            "y" : 10,
+            "align" : "right",
+            "rotation" : -90,
+            "enabled" : "true"
          }
       }
    ],
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2022]"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2022-06-05 12:22:51 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
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 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 0910b8fc81..dd5fa4f43d 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,18 +1,14 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
    "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2022-06-05 12:22:51 GMT"
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2022-06-05 15:04:23 GMT"
    },
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true"
+   "chart" : {
+      "type" : "column"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "name" : "001",
             "data" : [
                [
@@ -27,8 +23,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "001"
+            ]
          },
          {
             "name" : "002",
@@ -49,6 +44,7 @@
             "id" : "002"
          },
          {
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -63,10 +59,10 @@
                   9
                ]
             ],
-            "id" : "003",
             "name" : "003"
          },
          {
+            "id" : "004",
             "name" : "004",
             "data" : [
                [
@@ -81,11 +77,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004"
+            ]
          },
          {
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -100,9 +94,11 @@
                   12
                ]
             ],
-            "name" : "005"
+            "name" : "005",
+            "id" : "005"
          },
          {
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -117,7 +113,6 @@
                   7
                ]
             ],
-            "id" : "006",
             "name" : "006"
          },
          {
@@ -135,10 +130,12 @@
                   10
                ]
             ],
-            "id" : "007",
-            "name" : "007"
+            "name" : "007",
+            "id" : "007"
          },
          {
+            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -152,12 +149,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "008",
-            "name" : "008"
+            ]
          },
          {
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -172,9 +166,12 @@
                   13
                ]
             ],
-            "name" : "009"
+            "name" : "009",
+            "id" : "009"
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -188,11 +185,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010",
-            "name" : "010"
+            ]
          },
          {
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -207,11 +203,10 @@
                   10
                ]
             ],
-            "id" : "011",
-            "name" : "011"
+            "id" : "011"
          },
          {
-            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -226,10 +221,10 @@
                   11
                ]
             ],
-            "id" : "012"
+            "name" : "012"
          },
          {
-            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -244,10 +239,10 @@
                   13
                ]
             ],
-            "name" : "013"
+            "id" : "013"
          },
          {
-            "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -262,7 +257,7 @@
                   15
                ]
             ],
-            "id" : "014"
+            "name" : "014"
          },
          {
             "id" : "015",
@@ -283,6 +278,7 @@
             "name" : "015"
          },
          {
+            "id" : "016",
             "name" : "016",
             "data" : [
                [
@@ -297,10 +293,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016"
+            ]
          },
          {
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -315,11 +311,9 @@
                   12
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             "data" : [
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@@ -334,9 +328,11 @@
                   "Blog",
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                ]
-            ]
+            ],
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             "data" : [
                [
                   "Perl",
@@ -351,10 +347,10 @@
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                ]
             ],
-            "id" : "019",
-            "name" : "019"
+            "id" : "019"
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+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -369,10 +365,10 @@
                   13
                ]
             ],
-            "id" : "020",
-            "name" : "020"
+            "id" : "020"
          },
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+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -387,12 +383,11 @@
                   10
                ]
             ],
-            "id" : "021",
-            "name" : "021"
+            "id" : "021"
          },
          {
-            "name" : "022",
             "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -409,8 +404,8 @@
             ]
          },
          {
-            "name" : "023",
             "id" : "023",
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -427,6 +422,7 @@
             ]
          },
          {
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -441,11 +437,11 @@
                   11
                ]
             ],
-            "id" : "024",
-            "name" : "024"
+            "id" : "024"
          },
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             "id" : "025",
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -459,8 +455,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "025"
+            ]
          },
          {
             "id" : "026",
@@ -482,6 +477,7 @@
          },
          {
             "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -495,8 +491,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "027"
+            ]
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             "name" : "028",
@@ -517,7 +512,6 @@
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             "data" : [
                [
                   "Perl",
@@ -532,10 +526,11 @@
                   12
                ]
             ],
-            "name" : "029"
+            "name" : "029",
+            "id" : "029"
          },
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-            "name" : "030",
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -550,10 +545,10 @@
                   10
                ]
             ],
-            "id" : "030"
+            "name" : "030"
          },
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-            "id" : "031",
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -568,7 +563,7 @@
                   9
                ]
             ],
-            "name" : "031"
+            "id" : "031"
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             "name" : "032",
@@ -590,7 +585,6 @@
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-            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -604,7 +598,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
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@@ -625,8 +620,6 @@
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-            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -640,7 +633,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "035",
+            "id" : "035"
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@@ -661,7 +656,6 @@
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             "data" : [
                [
@@ -676,9 +670,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "037"
          },
          {
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -693,8 +689,7 @@
                   12
                ]
             ],
-            "id" : "038",
-            "name" : "038"
+            "id" : "038"
          },
          {
             "name" : "039",
@@ -715,7 +710,6 @@
             "id" : "039"
          },
          {
-            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -730,9 +724,11 @@
                   10
                ]
             ],
+            "name" : "040",
             "id" : "040"
          },
          {
+            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -747,12 +743,11 @@
                   9
                ]
             ],
-            "id" : "041",
             "name" : "041"
          },
          {
-            "name" : "042",
             "id" : "042",
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -788,6 +783,7 @@
          },
          {
             "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -801,11 +797,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "044"
+            ]
          },
          {
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -820,10 +814,10 @@
                   11
                ]
             ],
+            "name" : "045",
             "id" : "045"
          },
          {
-            "name" : "046",
             "id" : "046",
             "data" : [
                [
@@ -838,11 +832,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "046"
          },
          {
             "name" : "047",
-            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -856,11 +850,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "047"
          },
          {
             "name" : "048",
-            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -874,7 +868,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "048"
          },
          {
             "id" : "049",
@@ -895,6 +890,7 @@
             "name" : "049"
          },
          {
+            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -909,7 +905,6 @@
                   12
                ]
             ],
-            "id" : "050",
             "name" : "050"
          },
          {
@@ -949,6 +944,7 @@
             "name" : "052"
          },
          {
+            "id" : "053",
             "data" : [
                [
                   "Perl",
@@ -963,10 +959,11 @@
                   15
                ]
             ],
-            "id" : "053",
             "name" : "053"
          },
          {
+            "id" : "054",
+            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -980,12 +977,11 @@
                   "Blog",
                   18
                ]
-            ],
-            "id" : "054",
-            "name" : "054"
+            ]
          },
          {
             "id" : "055",
+            "name" : "055",
             "data" : [
                [
                   "Perl",
@@ -999,12 +995,10 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "