- Added solutions by Cheok-Yin Fung.

14 files changed, 1617 insertions, 1598 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 7c9bb7bc0b..15ceb1d65c 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,9 +1,82 @@
 {
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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/>"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 149"
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 149",
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "drilldown" : "Abigail",
+               "name" : "Abigail",
+               "y" : 2
+            },
+            {
+               "name" : "Cheok-Yin Fung",
+               "drilldown" : "Cheok-Yin Fung",
+               "y" : 2
+            },
+            {
+               "drilldown" : "James Smith",
+               "name" : "James Smith",
+               "y" : 3
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
+            },
+            {
+               "y" : 3,
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Robert DiCicco",
+               "name" : "Robert DiCicco",
+               "y" : 1
+            },
+            {
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West",
+               "y" : 4
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ]
+      }
+   ],
    "drilldown" : {
       "series" : [
          {
@@ -13,8 +86,22 @@
                   2
                ]
             ],
-            "name" : "Abigail",
-            "id" : "Abigail"
+            "id" : "Abigail",
+            "name" : "Abigail"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Cheok-Yin Fung",
+            "name" : "Cheok-Yin Fung"
          },
          {
             "name" : "James Smith",
@@ -41,8 +128,8 @@
                   2
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
             "name" : "Mark Anderson",
@@ -55,8 +142,6 @@
             "id" : "Mark Anderson"
          },
          {
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -66,7 +151,9 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
             "id" : "Robert DiCicco",
@@ -79,7 +166,7 @@
             "name" : "Robert DiCicco"
          },
          {
-            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -90,7 +177,7 @@
                   2
                ]
             ],
-            "id" : "Roger Bell_West"
+            "name" : "Roger Bell_West"
          },
          {
             "name" : "W. Luis Mochan",
@@ -108,81 +195,13 @@
          }
       ]
    },
-   "subtitle" : {
-      "text" : "[Champions: 8] Last updated at 2022-01-25 21:49:05 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "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
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
    "legend" : {
       "enabled" : 0
    },
-   "xAxis" : {
-      "type" : "category"
+   "chart" : {
+      "type" : "column"
    },
-   "series" : [
-      {
-         "data" : [
-            {
-               "drilldown" : "Abigail",
-               "y" : 2,
-               "name" : "Abigail"
-            },
-            {
-               "drilldown" : "James Smith",
-               "y" : 3,
-               "name" : "James Smith"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "y" : 4,
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "y" : 2,
-               "name" : "Mark Anderson"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "y" : 3,
-               "drilldown" : "Peter Campbell Smith"
-            },
-            {
-               "name" : "Robert DiCicco",
-               "drilldown" : "Robert DiCicco",
-               "y" : 1
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "y" : 4,
-               "name" : "Roger Bell_West"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "y" : 3,
-               "drilldown" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 149"
-      }
-   ],
-   "title" : {
-      "text" : "The Weekly Challenge - 149"
+   "subtitle" : {
+      "text" : "[Champions: 9] Last updated at 2022-01-26 16:18:38 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 0be63dc545..65c44445bd 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,41 +2,56 @@
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
-   "legend" : {
-      "enabled" : "false"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
       },
-      "type" : "category"
+      "min" : 0
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2022-01-26 16:18:38 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : "false"
    },
    "series" : [
       {
+         "name" : "Contributions",
          "dataLabels" : {
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
             "y" : 10,
             "color" : "#FFFFFF",
             "enabled" : "true",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
             "align" : "right",
-            "format" : "{point.y:.0f}",
-            "rotation" : -90
+            "rotation" : -90,
+            "format" : "{point.y:.0f}"
          },
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               2219
+               2220
             ],
             [
                "Perl",
-               7162
+               7163
             ],
             [
                "Raku",
@@ -44,20 +59,5 @@
             ]
          ]
       }
-   ],
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2022-01-25 21:49:05 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index a8c16bdb9f..a512f7569c 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,8 +1,13 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2022-01-26 16:18:38 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -17,7 +22,8 @@
                   11
                ]
             ],
-            "id" : "001"
+            "id" : "001",
+            "name" : "001"
          },
          {
             "id" : "002",
@@ -56,6 +62,7 @@
             "id" : "003"
          },
          {
+            "name" : "004",
             "id" : "004",
             "data" : [
                [
@@ -70,11 +77,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004"
+            ]
          },
          {
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -89,10 +94,11 @@
                   12
                ]
             ],
-            "id" : "005"
+            "id" : "005",
+            "name" : "005"
          },
          {
-            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -107,10 +113,10 @@
                   7
                ]
             ],
-            "name" : "006"
+            "id" : "006"
          },
          {
-            "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -125,9 +131,10 @@
                   10
                ]
             ],
-            "name" : "007"
+            "id" : "007"
          },
          {
+            "name" : "008",
             "id" : "008",
             "data" : [
                [
@@ -142,12 +149,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008"
+            ]
          },
          {
-            "id" : "009",
             "name" : "009",
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -164,7 +170,6 @@
             ]
          },
          {
-            "id" : "010",
             "name" : "010",
             "data" : [
                [
@@ -179,10 +184,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010"
          },
          {
-            "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -197,10 +203,9 @@
                   10
                ]
             ],
-            "name" : "011"
+            "id" : "011"
          },
          {
-            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -215,10 +220,10 @@
                   11
                ]
             ],
+            "id" : "012",
             "name" : "012"
          },
          {
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -233,9 +238,12 @@
                   13
                ]
             ],
+            "id" : "013",
             "name" : "013"
          },
          {
+            "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -249,12 +257,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "014",
-            "id" : "014"
+            ]
          },
          {
-            "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -269,9 +275,10 @@
                   15
                ]
             ],
-            "name" : "015"
+            "id" : "015"
          },
          {
+            "name" : "016",
             "id" : "016",
             "data" : [
                [
@@ -286,8 +293,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016"
+            ]
          },
          {
             "id" : "017",
@@ -308,6 +314,7 @@
             "name" : "017"
          },
          {
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -322,10 +329,10 @@
                   14
                ]
             ],
-            "name" : "018",
-            "id" : "018"
+            "name" : "018"
          },
          {
+            "name" : "019",
             "id" : "019",
             "data" : [
                [
@@ -340,8 +347,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "019"
+            ]
          },
          {
             "id" : "020",
@@ -380,7 +386,6 @@
             "id" : "021"
          },
          {
-            "id" : "022",
             "name" : "022",
             "data" : [
                [
@@ -395,10 +400,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "022"
          },
          {
-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -413,9 +418,11 @@
                   12
                ]
             ],
+            "id" : "023",
             "name" : "023"
          },
          {
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -430,8 +437,7 @@
                   11
                ]
             ],
-            "name" : "024",
-            "id" : "024"
+            "name" : "024"
          },
          {
             "name" : "025",
@@ -452,6 +458,7 @@
             "id" : "025"
          },
          {
+            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -466,12 +473,10 @@
                   10
                ]
             ],
-            "name" : "026",
             "id" : "026"
          },
          {
             "id" : "027",
-            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -485,9 +490,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "027"
          },
          {
+            "name" : "028",
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -501,12 +509,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "028",
-            "id" : "028"
+            ]
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          {
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -521,10 +526,11 @@
                   12
                ]
             ],
+            "id" : "029",
             "name" : "029"
          },
          {
-            "id" : "030",
+            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -539,9 +545,10 @@
                   10
                ]
             ],
-            "name" : "030"
+            "id" : "030"
          },
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+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -556,11 +563,10 @@
                   9
                ]
             ],
-            "name" : "031",
-            "id" : "031"
+            "name" : "031"
          },
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-            "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -575,11 +581,10 @@
                   10
                ]
             ],
-            "name" : "032"
+            "id" : "032"
          },
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             "id" : "033",
-            "name" : "033",
             "data" : [
                [
                   "Perl",
@@ -593,9 +598,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "033"
          },
          {
+            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -610,12 +617,9 @@
                   11
                ]
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-            "name" : "034",
             "id" : "034"
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-            "id" : "035",
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -629,9 +633,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "035",
+            "name" : "035"
          },
          {
+            "name" : "036",
+            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -645,12 +653,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "036",
-            "id" : "036"
+            ]
          },
          {
-            "name" : "037",
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -665,7 +671,7 @@
                   9
                ]
             ],
-            "id" : "037"
+            "name" : "037"
          },
          {
             "data" : [
@@ -682,11 +688,10 @@
                   12
                ]
             ],
-            "name" : "038",
-            "id" : "038"
+            "id" : "038",
+            "name" : "038"
          },
          {
-            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -701,9 +706,12 @@
                   12
                ]
             ],
+            "id" : "039",
             "name" : "039"
          },
          {
+            "name" : "040",
+            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -717,9 +725,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040",
-            "id" : "040"
+            ]
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          {
             "name" : "041",
@@ -740,8 +746,6 @@
             "id" : "041"
          },
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-            "id" : "042",
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -755,9 +759,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "042",
+            "name" : "042"
          },
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+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -772,8 +779,7 @@
                   11
                ]
             ],
-            "name" : "043",
-            "id" : "043"
+            "name" : "043"
          },
          {
             "id" : "044",
@@ -794,6 +800,7 @@
             "name" : "044"
          },
          {
+            "id" : "045",
             "data" : [
                [
                   "Perl",
@@ -808,10 +815,10 @@
                   11
                ]
             ],
-            "name" : "045",
-            "id" : "045"
+            "name" : "045"
          },
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+            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -826,10 +833,10 @@
                   10
                ]
             ],
-            "name" : "046",
-            "id" : "046"
+            "name" : "046"
          },
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+            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -844,10 +851,10 @@
                   10
                ]
             ],
-            "name" : "047",
-            "id" : "047"
+            "name" : "047"
          },
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+            "name" : "048",
             "data" : [
                [
                   "Perl",
@@ -862,7 +869,6 @@
                   12
                ]
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-            "name" : "048",
             "id" : "048"
          },
          {
@@ -880,10 +886,11 @@
                   12
                ]
             ],
-            "name" : "049",
-            "id" : "049"
+            "id" : "049",
+            "name" : "049"
          },
          {
+            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -898,8 +905,7 @@
                   12
                ]
             ],
-            "name" : "050",
-            "id" : "050"
+            "name" : "050"
          },
          {
             "data" : [
@@ -916,8 +922,8 @@
                   11
                ]
             ],
-            "name" : "051",
-            "id" : "051"
+            "id" : "051",
+            "name" : "051"
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             "id" : "052",
@@ -938,8 +944,8 @@
             "name" : "052"
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+            "id" : "053",
             "data" : [
                [
                   "Perl",
@@ -957,6 +963,7 @@
          },
          {
             "name" : "054",
+            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -970,10 +977,10 @@
                   "Blog",
                   18
                ]
-            ],
-            "id" : "054"
+            ]
          },
          {
+            "id" : "055",
             "data" : [
                [
                   "Perl",
@@ -988,11 +995,9 @@
                   14
                ]
             ],
-            "name" : "055",
-            "id" : "055"
+            "name" : "055"
          },
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-            "id" : "056",
             "data" : [
                [
                   "Perl",
@@ -1007,6 +1012,7 @@
                   16
                ]
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+            "id" : "056",
             "name" : "056"
          },
          {
@@ -1028,6 +1034,7 @@
             "id" : "057"
          },
          {
+            "name" : "058",
             "id" : "058",
             "data" : [
                [
@@ -1042,11 +1049,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "058"
+            ]
          },
          {
-            "name" : "059",
+            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1061,7 +1067,7 @@
                   16
                ]
             ],
-            "id" : "059"
+            "name" : "059"
          },
          {
             "id" : "060",
@@ -1082,7 +1088,6 @@
             "name" : "060"
          },
          {
-            "id" : "061",
             "data" : [
                [
                   "Perl",
@@ -1097,9 +1102,11 @@
                   14
                ]
             ],
+            "id" : "061",
             "name" : "061"
          },
          {
+            "id" : "062",
             "data" : [
                [
                   "Perl",
@@ -1114,11 +1121,9 @@
                   11
                ]
             ],
-            "name" : "062",
-            "id" : "062"
+            "name" : "062"
          },
          {
-            "id" : "063",
             "data" : [
                [
                   "Perl",
@@ -1133,10 +1138,10 @@
                   13
                ]
             ],
+            "id" : "063",
             "name" : "063"
          },
          {
-            "id" : "064",
             "data" : [
                [
                   "Perl",
@@ -1151,10 +1156,12 @@
                   16
                ]
             ],
+            "id" : "064",
             "name" : "064"
          },
          {
             "name" : "065",
+            "id" : "065",
             "data" : [
                [
                   "Perl",
@@ -1168,11 +1175,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "065"
+            ]
          },
          {
-            "id" : "066",
+            "name" : "066",
             "data" : [
                [
                   "Perl",
@@ -1187,10 +1193,10 @@
                   14
                ]
             ],
-            "name" : "066"
+            "id" : "066"
          },
          {
-            "name" : "067",
+            "id" : "067",
             "data" : [
                [
                   "Perl",
@@ -1205,9 +1211,10 @@
                   18
                ]
             ],
-            "id" : "067"
+            "name" : "067"
          },
          {
+            "id" : "068",
             "data" : [
                [
                   "Perl",
@@ -1222,8 +1229,7 @@
                   13
                ]
             ],
-            "name" : "068",
-            "id" : "068"
+            "name" : "068"
          },
          {
             "name" : "069",
@@ -1244,6 +1250,7 @@
             "id" : "069"
          },
          {
+            "name" : "070",
             "id" : "070",
             "data" : [
                [
@@ -1258,10 +1265,10 @@
                   "Blog",
                   17
                ]
-            ],
-            "name" : "070"
+            ]
          },
          {
+            "id" : "071",
             "data" : [
                [
                   "Perl",
@@ -1276,10 +1283,10 @@
                   15
                ]