- Added solutions by Cheok-Yin Fung.

13 files changed, 1356 insertions, 1341 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 013573ebdd..b7fa2073e3 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,32 +1,152 @@
 {
+   "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",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Andrew Shitov",
-            "name" : "Andrew Shitov"
+            ]
          },
          {
+            "name" : "Andrezgz",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Andrezgz",
             "id" : "Andrezgz"
          },
          {
+            "id" : "Cheok-Yin Fung",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Cheok-Yin Fung"
+         },
+         {
             "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -36,19 +156,21 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Dave Jacoby"
          },
          {
-            "name" : "Duane Powell",
             "id" : "Duane Powell",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Duane Powell"
          },
          {
+            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -63,10 +185,10 @@
                   2
                ]
             ],
-            "name" : "Flavio Poletti",
             "id" : "Flavio Poletti"
          },
          {
+            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -77,7 +199,6 @@
                   1
                ]
             ],
-            "name" : "James Smith",
             "id" : "James Smith"
          },
          {
@@ -91,16 +212,17 @@
             "id" : "Jan Krnavek"
          },
          {
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey"
+            ]
          },
          {
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -111,50 +233,51 @@
                   2
                ]
             ],
-            "name" : "Luca Ferrari",
             "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"
+            ]
          },
          {
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "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",
@@ -168,23 +291,21 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
+            ]
          },
          {
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "name" : "Simon Proctor",
             "id" : "Simon Proctor"
          },
          {
-            "name" : "Steven Wilson",
             "id" : "Steven Wilson",
+            "name" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
@@ -193,6 +314,7 @@
             ]
          },
          {
+            "id" : "Stuart Little",
             "data" : [
                [
                   "Perl",
@@ -203,12 +325,9 @@
                   2
                ]
             ],
-            "name" : "Stuart Little",
-            "id" : "Stuart Little"
+            "name" : "Stuart Little"
          },
          {
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -218,11 +337,12 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke"
          },
          {
             "name" : "W. Luis Mochan",
-            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -232,132 +352,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 127",
-         "data" : [
-            {
-               "y" : 1,
-               "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov"
-            },
-            {
-               "name" : "Andrezgz",
-               "y" : 2,
-               "drilldown" : "Andrezgz"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "y" : 3,
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "y" : 2,
-               "name" : "Duane Powell",
-               "drilldown" : "Duane Powell"
-            },
-            {
-               "drilldown" : "Flavio Poletti",
-               "y" : 6,
-               "name" : "Flavio Poletti"
-            },
-            {
-               "y" : 3,
-               "name" : "James Smith",
-               "drilldown" : "James Smith"
-            },
-            {
-               "y" : 2,
-               "name" : "Jan Krnavek",
-               "drilldown" : "Jan Krnavek"
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "y" : 2,
-               "name" : "Jorg Sommrey"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "y" : 4,
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "y" : 1,
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "name" : "Matthew Neleigh",
-               "y" : 2,
-               "drilldown" : "Matthew Neleigh"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "y" : 1,
-               "name" : "Olivier Delouya",
-               "drilldown" : "Olivier Delouya"
-            },
-            {
-               "y" : 5,
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "y" : 1,
-               "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "Steven Wilson",
-               "y" : 1,
-               "name" : "Steven Wilson"
-            },
-            {
-               "drilldown" : "Stuart Little",
-               "name" : "Stuart Little",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 4,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ]
-      }
-   ],
-   "subtitle" : {
-      "text" : "[Champions: 19] Last updated at 2021-08-28 01:52:06 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
    "title" : {
       "text" : "The Weekly Challenge - 127"
    },
@@ -369,5 +368,21 @@
          },
          "borderWidth" : 0
       }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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/>"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 6a24ba395c..237214886f 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,43 +1,18 @@
 {
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
    "series" : [
       {
          "dataLabels" : {
+            "format" : "{point.y:.0f}",
+            "y" : 10,
+            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "enabled" : "true",
             "style" : {
                "fontSize" : "13px",
                "fontFamily" : "Verdana, sans-serif"
             },
-            "enabled" : "true",
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "align" : "right",
-            "y" : 10
+            "align" : "right"
          },
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -45,19 +20,44 @@
             ],
             [
                "Perl",
-               6072
+               6074
             ],
             [
                "Raku",
                3767
             ]
-         ]
+         ],
+         "name" : "Contributions"
       }
    ],
+   "legend" : {
+      "enabled" : "false"
+   },
    "subtitle" : {
-      "text" : "Last updated at 2021-08-28 01:52:06 GMT"
+      "text" : "Last updated at 2021-08-28 10:10:51 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
    "chart" : {
       "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 4f03f10ad0..9128535567 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,29 +1,19 @@
 {
-   "xAxis" : {
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Language"
-   },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
       }
    },
-   "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>"
+   "title" : {
+      "text" : "The Weekly Challenge Language"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -37,10 +27,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001",
+            "id" : "001"
          },
          {
-            "name" : "002",
             "id" : "002",
             "data" : [
                [
@@ -55,11 +46,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "002"
          },
          {
             "name" : "003",
-            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -73,7 +64,8 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "003"
          },
          {
             "data" : [
@@ -90,8 +82,8 @@
                   10
                ]
             ],
-            "id" : "004",
-            "name" : "004"
+            "name" : "004",
+            "id" : "004"
          },
          {
             "data" : [
@@ -112,6 +104,7 @@
             "id" : "005"
          },
          {
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -126,8 +119,7 @@
                   7
                ]
             ],
-            "name" : "006",
-            "id" : "006"
+            "name" : "006"
          },
          {
             "data" : [
@@ -144,12 +136,11 @@
                   10
                ]
             ],
-            "id" : "007",
-            "name" : "007"
+            "name" : "007",
+            "id" : "007"
          },
          {
             "id" : "008",
-            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -163,9 +154,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008"
          },
          {
+            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -179,11 +173,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "009",
-            "name" : "009"
+            ]
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -197,12 +191,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010",
-            "name" : "010"
+            ]
          },
          {
-            "id" : "011",
             "name" : "011",
             "data" : [
                [
@@ -217,9 +208,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "011"
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -233,13 +227,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012",
-            "id" : "012"
+            ]
          },
          {
-            "name" : "013",
             "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -256,6 +248,7 @@
             ]
          },
          {
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -270,12 +263,9 @@
                   15
                ]
             ],
-            "name" : "014",
-            "id" : "014"
+            "name" : "014"
          },
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-            "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -289,7 +279,9 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "015",
+            "id" : "015"
          },
          {
             "data" : [
@@ -310,7 +302,6 @@
             "id" : "016"
          },
          {
-            "id" : "017",
             "name" : "017",
             "data" : [
                [
@@ -325,9 +316,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "017"
          },
          {
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -342,7 +335,6 @@
                   14
                ]
             ],
-            "id" : "018",
             "name" : "018"
          },
          {
@@ -365,7 +357,6 @@
          },
          {
             "name" : "020",
-            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -379,10 +370,10 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "020"
          },
          {
-            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -397,9 +388,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "021"
          },
          {
+            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -414,10 +407,10 @@
                   10
                ]
             ],
-            "name" : "022",
-            "id" : "022"
+            "name" : "022"
          },
          {
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -432,10 +425,10 @@
                   12
                ]
             ],
-            "name" : "023",
-            "id" : "023"
+            "name" : "023"
          },
          {
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -450,11 +443,9 @@
                   11
                ]
             ],
-            "name" : "024",
             "id" : "024"
          },
          {
-            "id" : "025",
             "name" : "025",
             "data" : [
                [
@@ -469,7 +460,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "025"
          },
          {
             "data" : [
@@ -490,8 +482,6 @@
             "id" : "026"
          },
          {
-            "id" : "027",
-            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -505,11 +495,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "027",
+            "id" : "027"
          },
          {
-            "name" : "028",
             "id" : "028",
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -526,7 +518,6 @@
             ]
          },
          {
-            "id" : "029",
             "name" : "029",
             "data" : [
                [
@@ -541,11 +532,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029"
          },
          {
-            "name" : "030",
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -559,11 +549,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "030",
+            "id" : "030"
          },
          {
             "id" : "031",
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -577,11 +568,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031"
          },
          {
             "id" : "032",
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -595,7 +586,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "032"
          },
          {
             "id" : "033",
@@ -616,7 +608,6 @@
             ]
          },
          {
-            "name" : "034",
             "id" : "034",
             "data" : [
                [
@@ -631,9 +622,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "034"
          },
          {
+            "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -647,12 +641,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "035",
-            "name" : "035"
+            ]
          },
          {
-            "name" : "036",
             "id" : "036",
             "data" : [
                [
@@ -667,11 +658,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "036"
          },
          {
             "id" : "037",
-            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -685,11 +676,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "037"
          },
          {
-            "id" : "038",
-            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -703,11 +693,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "038",
+            "id" : "038"
          },
          {
-            "id" : "039",
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -721,7 +711,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "039",
+            "id" : "039"
          },
          {
             "data" : [
@@ -742,8 +734,6 @@
             "id" : "040"
          },
          {
-            "id" : "041",
-            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -757,9 +747,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "041",
+            "id" : "041"
          },
          {
+            "id" : "042",
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -773,9 +767,