- Added solutions by Laurent Rosenfeld.

14 files changed, 1436 insertions, 1413 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 826263d61f..9e2f0f8319 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,23 +1,12 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
    "subtitle" : {
-      "text" : "[Champions: 23] Last updated at 2021-11-20 08:15:14 GMT"
-   },
-   "chart" : {
-      "type" : "column"
+      "text" : "[Champions: 24] Last updated at 2021-11-20 08:31:55 GMT"
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Abigail",
             "id" : "Abigail",
+            "name" : "Abigail",
             "data" : [
                [
                   "Perl",
@@ -36,11 +25,11 @@
                   1
                ]
             ],
-            "id" : "Andrew Shitov",
-            "name" : "Andrew Shitov"
+            "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov"
          },
          {
-            "id" : "Athanasius",
+            "name" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -51,21 +40,21 @@
                   2
                ]
             ],
-            "name" : "Athanasius"
+            "id" : "Athanasius"
          },
          {
-            "name" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Cheok-Yin Fung",
             "id" : "Cheok-Yin Fung"
          },
          {
-            "name" : "Cristina Heredia",
             "id" : "Cristina Heredia",
+            "name" : "Cristina Heredia",
             "data" : [
                [
                   "Perl",
@@ -75,6 +64,7 @@
          },
          {
             "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -84,12 +74,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Dave Jacoby"
+            ]
          },
          {
-            "name" : "E. Choroba",
             "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
@@ -98,6 +87,7 @@
             ]
          },
          {
+            "id" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -112,10 +102,11 @@
                   2
                ]
             ],
-            "id" : "Flavio Poletti",
             "name" : "Flavio Poletti"
          },
          {
+            "id" : "James Smith",
+            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -125,9 +116,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "James Smith",
-            "name" : "James Smith"
+            ]
          },
          {
             "name" : "Jan Krnavek",
@@ -140,17 +129,34 @@
             "id" : "Jan Krnavek"
          },
          {
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
             "data" : [
                [
                   "Perl",
                   2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
                ]
             ],
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey"
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
          },
          {
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -161,6 +167,7 @@
                   4
                ]
             ],
+            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari"
          },
          {
@@ -174,44 +181,44 @@
             "name" : "Mark Anderson"
          },
          {
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke"
          },
          {
-            "id" : "Olivier Delouya",
+            "name" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Olivier Delouya"
+            "id" : "Olivier Delouya"
          },
          {
+            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Paulo Custodio",
             "name" : "Paulo Custodio"
          },
          {
+            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith"
+            "id" : "Peter Campbell Smith"
          },
          {
             "name" : "Robert DiCicco",
@@ -243,6 +250,7 @@
          },
          {
             "id" : "Simon Green",
+            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -252,20 +260,20 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Simon Green"
+            ]
          },
          {
-            "id" : "Steven Wilson",
+            "name" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Steven Wilson"
+            "id" : "Steven Wilson"
          },
          {
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -276,8 +284,7 @@
                   2
                ]
             ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke"
          },
          {
             "name" : "W. Luis Mochan",
@@ -298,108 +305,116 @@
    "title" : {
       "text" : "The Weekly Challenge - 139"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
+   "xAxis" : {
+      "type" : "category"
    },
    "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
       "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/>"
    },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
    "series" : [
       {
-         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 139",
          "data" : [
             {
-               "y" : 4,
                "name" : "Abigail",
-               "drilldown" : "Abigail"
+               "drilldown" : "Abigail",
+               "y" : 4
             },
             {
-               "drilldown" : "Andrew Shitov",
+               "y" : 1,
                "name" : "Andrew Shitov",
-               "y" : 1
+               "drilldown" : "Andrew Shitov"
             },
             {
-               "name" : "Athanasius",
                "drilldown" : "Athanasius",
+               "name" : "Athanasius",
                "y" : 4
             },
             {
-               "y" : 2,
+               "name" : "Cheok-Yin Fung",
                "drilldown" : "Cheok-Yin Fung",
-               "name" : "Cheok-Yin Fung"
+               "y" : 2
             },
             {
+               "y" : 1,
                "name" : "Cristina Heredia",
-               "drilldown" : "Cristina Heredia",
-               "y" : 1
+               "drilldown" : "Cristina Heredia"
             },
             {
-               "drilldown" : "Dave Jacoby",
                "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
                "y" : 3
             },
             {
-               "drilldown" : "E. Choroba",
+               "y" : 2,
                "name" : "E. Choroba",
-               "y" : 2
+               "drilldown" : "E. Choroba"
             },
             {
+               "y" : 6,
                "name" : "Flavio Poletti",
-               "drilldown" : "Flavio Poletti",
-               "y" : 6
+               "drilldown" : "Flavio Poletti"
             },
             {
-               "y" : 3,
+               "name" : "James Smith",
                "drilldown" : "James Smith",
-               "name" : "James Smith"
+               "y" : 3
             },
             {
-               "y" : 2,
+               "name" : "Jan Krnavek",
                "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek"
+               "y" : 2
             },
             {
-               "name" : "Jorg Sommrey",
                "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
                "y" : 2
             },
             {
+               "y" : 5,
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "y" : 6,
                "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari",
-               "y" : 6
+               "name" : "Luca Ferrari"
             },
             {
                "y" : 2,
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
             },
             {
+               "y" : 2,
                "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke",
-               "y" : 2
+               "drilldown" : "Niels van Dijke"
             },
             {
                "y" : 1,
-               "drilldown" : "Olivier Delouya",
-               "name" : "Olivier Delouya"
+               "name" : "Olivier Delouya",
+               "drilldown" : "Olivier Delouya"
             },
             {
                "y" : 2,
-               "name" : "Paulo Custodio",
-               "drilldown" : "Paulo Custodio"
+               "drilldown" : "Paulo Custodio",
+               "name" : "Paulo Custodio"
             },
             {
+               "y" : 2,
                "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 2
+               "drilldown" : "Peter Campbell Smith"
             },
             {
                "name" : "Robert DiCicco",
@@ -407,14 +422,14 @@
                "y" : 1
             },
             {
-               "y" : 5,
+               "name" : "Roger Bell_West",
                "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
+               "y" : 5
             },
             {
-               "y" : 3,
+               "drilldown" : "Simon Green",
                "name" : "Simon Green",
-               "drilldown" : "Simon Green"
+               "y" : 3
             },
             {
                "y" : 1,
@@ -422,20 +437,28 @@
                "name" : "Steven Wilson"
             },
             {
-               "drilldown" : "Ulrich Rieke",
+               "y" : 4,
                "name" : "Ulrich Rieke",
-               "y" : 4
+               "drilldown" : "Ulrich Rieke"
             },
             {
                "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
             }
          ],
-         "name" : "The Weekly Challenge - 139"
+         "colorByPoint" : 1
       }
    ],
-   "xAxis" : {
-      "type" : "category"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 2450ad0c92..5a61cfc256 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,10 +1,10 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
@@ -14,50 +14,50 @@
          }
       }
    },
+   "subtitle" : {
+      "text" : "Last updated at 2021-11-20 08:31:55 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "series" : [
       {
-         "name" : "Contributions",
-         "dataLabels" : {
-            "y" : 10,
-            "enabled" : "true",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "align" : "right",
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "color" : "#FFFFFF"
-         },
          "data" : [
             [
                "Blog",
-               2028
+               2029
             ],
             [
                "Perl",
-               6677
+               6679
             ],
             [
                "Raku",
-               4035
+               4037
             ]
-         ]
+         ],
+         "name" : "Contributions",
+         "dataLabels" : {
+            "y" : 10,
+            "enabled" : "true",
+            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "align" : "right",
+            "format" : "{point.y:.0f}"
+         }
       }
    ],
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-11-20 08:15:14 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
+      },
+      "min" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 17602a8e35..c4142aa744 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,12 +1,30 @@
 {
+   "xAxis" : {
+      "type" : "category"
+   },
+   "tooltip" : {
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
    "title" : {
       "text" : "The Weekly Challenge Language"
    },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-11-20 08:31:55 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -20,10 +38,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001",
+            "id" : "001"
          },
          {
             "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -37,8 +58,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "002"
+            ]
          },
          {
             "name" : "003",
@@ -59,7 +79,7 @@
             "id" : "003"
          },
          {
-            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -74,10 +94,10 @@
                   10
                ]
             ],
-            "id" : "004"
+            "name" : "004"
          },
          {
-            "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -92,9 +112,10 @@
                   12
                ]
             ],
-            "id" : "005"
+            "name" : "005"
          },
          {
+            "id" : "006",
             "name" : "006",
             "data" : [
                [
@@ -109,8 +130,7 @@
                   "Blog",
                   7
                ]
-            ],
-            "id" : "006"
+            ]
          },
          {
             "name" : "007",
@@ -131,6 +151,7 @@
             "id" : "007"
          },
          {
+            "id" : "008",
             "name" : "008",
             "data" : [
                [
@@ -145,12 +166,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "008"
+            ]
          },
          {
-            "name" : "009",
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -164,11 +182,12 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009",
+            "id" : "009"
          },
          {
             "name" : "010",
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -182,9 +201,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010"
          },
          {
+            "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -198,11 +220,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "011",
-            "name" : "011"
+            ]
          },
          {
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -217,12 +238,11 @@
                   11
                ]
             ],
-            "id" : "012",
-            "name" : "012"
+            "id" : "012"
          },
          {
-            "name" : "013",
             "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -239,6 +259,7 @@
             ]
          },
          {
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -253,12 +274,9 @@
                   15
                ]
             ],
-            "id" : "014",
-            "name" : "014"
+            "id" : "014"
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-            "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -272,10 +290,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "015",
+            "id" : "015"
          },
          {
-            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -290,7 +309,8 @@
                   12
                ]
             ],
-            "name" : "016"
+            "name" : "016",
+            "id" : "016"
          },
          {
             "name" : "017",
@@ -311,7 +331,7 @@
             "id" : "017"
          },
          {
-            "name" : "018",
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -326,11 +346,11 @@
                   14
                ]
             ],
-            "id" : "018"
+            "name" : "018"
          },
          {
-            "name" : "019",
             "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -347,7 +367,7 @@
             ]
          },
          {
-            "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -362,10 +382,9 @@
                   13
                ]
             ],
-            "name" : "020"
+            "id" : "020"
          },
          {
-            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -380,10 +399,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "021"
          },
          {
-            "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -398,11 +418,11 @@
                   10
                ]
             ],
-            "name" : "022"
+            "id" : "022"
          },
          {
-            "name" : "023",
             "id" : "023",
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -419,6 +439,7 @@
             ]
          },
          {
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -433,11 +454,10 @@
                   11
                ]
             ],
-            "id" : "024",
-            "name" : "024"
+            "id" : "024"
          },
          {
-            "name" : "025",
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -452,7 +472,7 @@
                   12
                ]
             ],
-            "id" : "025"
+            "name" : "025"
          },
          {
             "data" : [
@@ -469,11 +489,10 @@
                   10
                ]
             ],
-            "id" : "026",
-            "name" : "026"
+            "name" : "026",
+            "id" : "026"
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-            "name" : "027",
             "id" : "027",
             "data" : [
                [
@@ -488,9 +507,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "027"
          },
          {
+            "id" : "028",
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -504,9 +526,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "028",
-            "name" : "028"
+            ]
          },
          {
             "name" : "029",
@@ -527,8 +547,8 @@
             "id" : "029"
          },
          {
-            "name" : "030",
             "id" : "030",
+            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -563,7 +583,6 @@
             "name" : "031"
          },
          {
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -578,9 +597,12 @@
                   10
                ]
             ],
+            "name" : "032",
             "id" : "032"
          },
          {
+            "id" : "033",
+            "name" : "033",
             "data" : [
                [
                   "Perl",
@@ -594,9 +616,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033",
-            "name" : "033"
+            ]
          },
          {
             "data" : [
@@ -613,12 +633,12 @@
                   11
                ]
             ],
-            "id" : "034",
-            "name" : "034"
+            "name" : "034",
+            "id" : "034"
          },
          {
-            "name" : "035",
             "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -635,7 +655,6 @@
             ]
          },
          {
-            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -650,10 +669,10 @@
                   11
                ]
             ],
-            "name" : "036"
+            "name" : "036",
+            "id" : "036"
          },
          {
-            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -668,10 +687,10 @@
                   9
                ]
             ],
+            "name" : "037",
             "id" : "037"
          },
          {
-            "name" : "038",
             "id" : "038",
             "data" : [
                [
@@ -686,7 +705,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "038"
          },
          {
             "id" : "039",
@@ -707,6 +727,7 @@
             "name" : "039"
          },
          {
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -721,8 +742,7 @@
                   10
                ]
             ],
-            "id" : "040",
-            "name" : "040"
+            "id" : "040"
          },
          {
             "data" : [
@@ -739,10 +759,12 @@
                   9
                ]
             ],
-            "id" : "041",
-            "name" : "041"
+            "name" : "041",
+            "id" : "041"
          },
          {
+            "id" : "042",
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -756,11 +778,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "042",
-            "name" : "042"
+            ]
          },
          {
+            "id" : "043",
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -774,9 +796,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "043",
-            "name" : "043"
+            ]
          },
          {
             "id" : "044",
@@ -798,6 +818,7 @@
          },
          {
             "id" : "045",
+            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -811,11 +832,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "045"
+            ]
          },
          {
-            "id" : "046",