- Added solutions by Cheok-Yin Fung.

14 files changed, 1052 insertions, 1037 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 748f56c50f..f0e6ed92b1 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,37 +1,33 @@
 {
-   "legend" : {
-      "enabled" : 0
-   },
-   "tooltip" : {
-      "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/>",
-      "followPointer" : 1
-   },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "enabled" : 1,
             "format" : "{point.y}"
-         }
+         },
+         "borderWidth" : 0
       }
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 134"
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Abigail",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Abigail",
             "id" : "Abigail"
          },
          {
+            "id" : "Andinus",
             "data" : [
                [
                   "Raku",
@@ -42,21 +38,29 @@
                   1
                ]
             ],
-            "name" : "Andinus",
-            "id" : "Andinus"
+            "name" : "Andinus"
          },
          {
+            "name" : "Andrezgz",
+            "id" : "Andrezgz",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Andrezgz",
-            "id" : "Andrezgz"
+            ]
+         },
+         {
+            "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
          },
          {
-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -67,20 +71,20 @@
                   1
                ]
             ],
+            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby"
          },
          {
-            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "James Smith",
             "name" : "James Smith"
          },
          {
-            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari",
             "data" : [
                [
@@ -91,21 +95,22 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Luca Ferrari"
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            ]
          },
          {
-            "id" : "Mohammad S Anwar",
             "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
@@ -124,17 +129,16 @@
             "id" : "Olivier Delouya"
          },
          {
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
-            "id" : "Roger Bell_West",
             "name" : "Roger Bell_West",
             "data" : [
                [
@@ -145,7 +149,8 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West"
          },
          {
             "id" : "Simon Proctor",
@@ -172,7 +177,6 @@
             "name" : "Ulrich Rieke"
          },
          {
-            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -183,32 +187,39 @@
                   1
                ]
             ],
+            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan"
          }
       ]
    },
-   "subtitle" : {
-      "text" : "[Champions: 14] Last updated at 2021-10-13 18:33:59 GMT"
+   "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
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "title" : {
+      "text" : "The Weekly Challenge - 134"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 134",
          "data" : [
             {
-               "name" : "Abigail",
+               "y" : 2,
                "drilldown" : "Abigail",
-               "y" : 2
+               "name" : "Abigail"
             },
             {
+               "y" : 2,
                "drilldown" : "Andinus",
-               "name" : "Andinus",
-               "y" : 2
+               "name" : "Andinus"
             },
             {
                "y" : 2,
@@ -216,19 +227,24 @@
                "drilldown" : "Andrezgz"
             },
             {
+               "y" : 2,
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung"
+            },
+            {
                "name" : "Dave Jacoby",
                "drilldown" : "Dave Jacoby",
                "y" : 3
             },
             {
-               "y" : 2,
+               "drilldown" : "James Smith",
                "name" : "James Smith",
-               "drilldown" : "James Smith"
+               "y" : 2
             },
             {
-               "y" : 4,
                "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
+               "name" : "Luca Ferrari",
+               "y" : 4
             },
             {
                "name" : "Mark Anderson",
@@ -236,9 +252,9 @@
                "y" : 2
             },
             {
-               "y" : 2,
+               "drilldown" : "Mohammad S Anwar",
                "name" : "Mohammad S Anwar",
-               "drilldown" : "Mohammad S Anwar"
+               "y" : 2
             },
             {
                "drilldown" : "Olivier Delouya",
@@ -246,14 +262,14 @@
                "y" : 2
             },
             {
-               "y" : 2,
+               "name" : "Peter Campbell Smith",
                "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith"
+               "y" : 2
             },
             {
-               "name" : "Roger Bell_West",
+               "y" : 4,
                "drilldown" : "Roger Bell_West",
-               "y" : 4
+               "name" : "Roger Bell_West"
             },
             {
                "y" : 2,
@@ -270,13 +286,12 @@
                "name" : "W. Luis Mochan",
                "y" : 3
             }
-         ]
+         ],
+         "name" : "The Weekly Challenge - 134",
+         "colorByPoint" : 1
       }
    ],
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 15] Last updated at 2021-10-14 02:08:13 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index fd91c2f885..230d4148bd 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,27 +1,22 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   "subtitle" : {
+      "text" : "Last updated at 2021-10-14 02:08:13 GMT"
    },
    "series" : [
       {
          "dataLabels" : {
-            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "y" : 10,
             "enabled" : "true",
-            "color" : "#FFFFFF",
             "rotation" : -90,
+            "color" : "#FFFFFF",
             "style" : {
                "fontSize" : "13px",
                "fontFamily" : "Verdana, sans-serif"
             },
-            "format" : "{point.y:.0f}",
-            "y" : 10
+            "align" : "right"
          },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -29,18 +24,17 @@
             ],
             [
                "Perl",
-               6366
+               6368
             ],
             [
                "Raku",
                3899
             ]
-         ],
-         "name" : "Contributions"
+         ]
       }
    ],
-   "subtitle" : {
-      "text" : "Last updated at 2021-10-13 18:33:59 GMT"
+   "chart" : {
+      "type" : "column"
    },
    "yAxis" : {
       "min" : 0,
@@ -48,16 +42,22 @@
          "text" : null
       }
    },
-   "chart" : {
-      "type" : "column"
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "legend" : {
+      "enabled" : "false"
    },
    "xAxis" : {
-      "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
-      }
+      },
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 51dc1dc390..45bfcb6432 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,21 +1,12 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Language"
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -29,10 +20,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001",
+            "name" : "001"
          },
          {
-            "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -47,9 +40,10 @@
                   10
                ]
             ],
-            "name" : "002"
+            "id" : "002"
          },
          {
+            "name" : "003",
             "id" : "003",
             "data" : [
                [
@@ -64,11 +58,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003"
+            ]
          },
          {
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -83,11 +75,10 @@
                   10
                ]
             ],
+            "id" : "004",
             "name" : "004"
          },
          {
-            "id" : "005",
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -101,10 +92,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "005",
+            "name" : "005"
          },
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-            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -119,11 +112,9 @@
                   7
                ]
             ],
-            "name" : "006"
+            "id" : "006"
          },
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-            "id" : "007",
-            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -137,10 +128,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "007",
+            "name" : "007"
          },
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-            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -155,11 +148,9 @@
                   12
                ]
             ],
-            "name" : "008"
+            "id" : "008"
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-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -173,10 +164,12 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009",
+            "name" : "009"
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-            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -191,9 +184,10 @@
                   11
                ]
             ],
-            "name" : "010"
+            "id" : "010"
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+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -208,11 +202,11 @@
                   10
                ]
             ],
-            "name" : "011",
-            "id" : "011"
+            "name" : "011"
          },
          {
             "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -226,10 +220,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012"
+            ]
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+            "name" : "013",
+            "id" : "013",
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                   "Perl",
@@ -243,11 +238,10 @@
                   "Blog",
                   13
                ]
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-            "name" : "013",
-            "id" : "013"
+            ]
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+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -262,11 +256,9 @@
                   15
                ]
             ],
-            "name" : "014",
-            "id" : "014"
+            "name" : "014"
          },
          {
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -281,11 +273,11 @@
                   15
                ]
             ],
+            "id" : "015",
             "name" : "015"
          },
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             "id" : "016",
-            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -299,7 +291,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "016"
          },
          {
             "id" : "017",
@@ -338,7 +331,7 @@
             "name" : "018"
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-            "id" : "019",
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             "data" : [
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                   "Perl",
@@ -353,9 +346,10 @@
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-            "name" : "019"
+            "id" : "019"
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@@ -370,12 +364,10 @@
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                   "Perl",
@@ -389,10 +381,10 @@
                   "Blog",
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                ]
-            ]
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-            "id" : "022",
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                   "Perl",
@@ -407,9 +399,11 @@
                   10
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+            "id" : "022",
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                   "Perl",
@@ -424,11 +418,11 @@
                   12
                ]
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-            "name" : "023",
-            "id" : "023"
+            "name" : "023"
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+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -442,11 +436,9 @@
                   "Blog",
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                ]
-            ],
-            "id" : "024"
+            ]
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             "name" : "025",
             "data" : [
                [
@@ -461,7 +453,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
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@@ -482,7 +475,6 @@
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@@ -497,9 +489,11 @@
                   "Blog",
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+            ],
+            "id" : "027"
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+            "name" : "028",
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             "data" : [
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@@ -514,10 +508,11 @@
                   "Blog",
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-            "name" : "028"
+            ]
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+            "name" : "029",
+            "id" : "029",
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                   "Perl",
@@ -531,12 +526,10 @@
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-            "id" : "029"
+            ]
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-            "id" : "030",
+            "name" : "030",
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@@ -551,10 +544,10 @@
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+            "id" : "030"
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@@ -569,10 +562,9 @@
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@@ -587,11 +579,11 @@
                   10
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@@ -605,7 +597,8 @@
                   "Blog",
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@@ -622,10 +615,11 @@
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-            "name" : "034",
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+            "id" : "034",
+            "name" : "034"
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@@ -640,8 +634,7 @@
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-            "id" : "035"
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@@ -662,8 +655,8 @@
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             "data" : [
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@@ -680,7 +673,7 @@
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@@ -695,10 +688,10 @@
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+            "id" : "038"
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                   "Perl",
@@ -713,9 +706,10 @@
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-            "id" : "039"
+            "name" : "039"
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+            "name" : "040",
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             "data" : [
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@@ -730,11 +724,11 @@
                   "Blog",
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-            ],
-            "name" : "040"
+            ]
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             "name" : "041",
+            "id" : "041",
             "data" : [
                [
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@@ -748,11 +742,9 @@
                   "Blog",
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-            ],
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+            ]
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-            "id" : "042",
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                [
                   "Perl",
@@ -767,9 +759,12 @@
                   11
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+            "id" : "042",
             "name" : "042"
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+            "name" : "043",
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -783,9 +778,7 @@
                   "Blog",
                   11
                ]
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-            "id" : "043"
+            ]
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@@ -820,8 +813,8 @@
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-            "id" : "045"
+            "id" : "045",
+            "name" : "045"
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@@ -842,6 +835,7 @@
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                   "Perl",
@@ -856,11 +850,11 @@
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+            "name" : "047"
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             "data" : [
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@@ -874,10 +868,10 @@
                   "Blog",
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+            ]
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                [
                   "Perl",
@@ -892,10 +886,11 @@
                   12
                ]
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+            "name" : "049"
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+            "name" : "050",
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@@ -909,9 +904,7 @@
                   "Blog",
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-            ],
-            "name" : "050",
-            "id" : "050"
+            ]
          },
          {
             "data" : [
@@ -928,8 +921,8 @@
                   11
                ]
             ],
-            "name" : "051",
-            "id" : "051"
+            "id" : "051",
+            "name" : "051"
          },
          {
             "id" : "052",
@@ -950,8 +943,8 @@
             "name" : "052"
          },
          {
-            "id" : "053",
             "name" : "053",
+            "id" : "053",
             "data" : [
                [
                   "Perl",
@@ -968,7 +961,7 @@
             ]
          },
          {
-            "id" : "054",
+            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -983,9 +976,10 @@
                   18
                ]
             ],
-            "name" : "054"
+            "id" : "054"
          },
          {
+            "name" : "055",
             "data" : [
                [
                   "Perl",
@@ -1000,11 +994,11 @@
                   14
                ]
             ],
-            "name" : "055",
             "id" : "055"
          },
          {
             "name" : "056",
+            "id" : "056",
             "data" : [
                [
                   "Perl",
@@ -1018,12 +1012,10 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "056"
+            ]
          },
          {
             "id" : "057",
-            "name" : "057",
             "data" : [
                [
                   "Perl",
@@ -1037,7 +1029,8 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "057"
          },
          {
             "name" : "058",
@@ -1059,7 +1052,6 @@
          },
          {
             "id" : "059",
-            "name" : "059",
             "data" : [
                [
                   "Perl",
@@ -1073,10 +1065,11 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "059"
          },
          {
-            "id" : "060",
+            "name" : "060",
             "data" : [
                [
                   "Perl",
@@ -1091,9 +1084,10 @@
                   16
                ]
             ],
-            "name" : "060"
+            "id" : "060"
          },
          {
+            "id" : "061",
             "data" : [
                [
                   "Perl",
@@ -1108,8 +1102,7 @@
                   14
                ]
             ],
-            "name" : "061",
-            "id" : "061"
+            "name" : "061"
          },
          {
             "data" : [
@@ -1126,12 +1119,11 @@
                   11
                ]
             ],
-            "name" : "062",
-            "id" : "062"
+            "id" : "062",
+            "name" : "062"
          },
          {
             "id" : "063",
-            "name" : "063",
             "data" : [
                [
                   "Perl",
@@ -1145,10 +1137,10 @@