- Added solutions by Flavio Poletti.

14 files changed, 1412 insertions, 1389 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 15ceb1d65c..6e6dcb16a2 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,93 +1,25 @@
 {
-   "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"
-            }
-         ]
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
-   ],
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Abigail",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Abigail",
-            "name" : "Abigail"
+            "id" : "Abigail"
          },
          {
             "data" : [
@@ -100,11 +32,28 @@
                   1
                ]
             ],
-            "id" : "Cheok-Yin Fung",
-            "name" : "Cheok-Yin Fung"
+            "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti"
          },
          {
-            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -115,7 +64,8 @@
                   1
                ]
             ],
-            "id" : "James Smith"
+            "id" : "James Smith",
+            "name" : "James Smith"
          },
          {
             "data" : [
@@ -128,8 +78,8 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari"
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
          },
          {
             "name" : "Mark Anderson",
@@ -142,6 +92,7 @@
             "id" : "Mark Anderson"
          },
          {
+            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -152,21 +103,19 @@
                   1
                ]
             ],
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith"
+            "id" : "Peter Campbell Smith"
          },
          {
-            "id" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
+            "id" : "Robert DiCicco",
             "name" : "Robert DiCicco"
          },
          {
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -177,10 +126,10 @@
                   2
                ]
             ],
-            "name" : "Roger Bell_West"
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West"
          },
          {
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -191,17 +140,91 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
          }
       ]
    },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 149"
+   },
    "legend" : {
       "enabled" : 0
    },
    "chart" : {
       "type" : "column"
    },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 2,
+               "drilldown" : "Abigail",
+               "name" : "Abigail"
+            },
+            {
+               "name" : "Cheok-Yin Fung",
+               "y" : 2,
+               "drilldown" : "Cheok-Yin Fung"
+            },
+            {
+               "y" : 6,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "name" : "James Smith",
+               "drilldown" : "James Smith",
+               "y" : 3
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Robert DiCicco",
+               "y" : 1,
+               "name" : "Robert DiCicco"
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 4,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "name" : "The Weekly Challenge - 149"
+      }
+   ],
    "subtitle" : {
-      "text" : "[Champions: 9] Last updated at 2022-01-26 16:18:38 GMT"
+      "text" : "[Champions: 10] Last updated at 2022-01-27 08:15:06 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 65c44445bd..3a0b5557db 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       }
    },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
+   "legend" : {
+      "enabled" : "false"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2022-01-26 16:18:38 GMT"
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
    "chart" : {
       "type" : "column"
    },
-   "legend" : {
-      "enabled" : "false"
-   },
    "series" : [
       {
          "name" : "Contributions",
-         "dataLabels" : {
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
-            "color" : "#FFFFFF",
-            "enabled" : "true",
-            "align" : "right",
-            "rotation" : -90,
-            "format" : "{point.y:.0f}"
-         },
          "data" : [
             [
                "Blog",
-               2220
+               2222
             ],
             [
                "Perl",
-               7163
+               7165
             ],
             [
                "Raku",
-               4310
+               4312
             ]
-         ]
+         ],
+         "dataLabels" : {
+            "enabled" : "true",
+            "format" : "{point.y:.0f}",
+            "align" : "right",
+            "rotation" : -90,
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "y" : 10,
+            "color" : "#FFFFFF"
+         }
       }
-   ]
+   ],
+   "subtitle" : {
+      "text" : "Last updated at 2022-01-27 08:15:06 GMT"
+   }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index a512f7569c..0b4f1656a5 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,13 +1,26 @@
 {
-   "chart" : {
-      "type" : "column"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2022-01-26 16:18:38 GMT"
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -22,7 +35,6 @@
                   11
                ]
             ],
-            "id" : "001",
             "name" : "001"
          },
          {
@@ -44,7 +56,7 @@
             "name" : "002"
          },
          {
-            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -59,11 +71,9 @@
                   9
                ]
             ],
-            "id" : "003"
+            "name" : "003"
          },
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-            "name" : "004",
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -77,7 +87,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "004",
+            "name" : "004"
          },
          {
             "data" : [
@@ -94,8 +106,8 @@
                   12
                ]
             ],
-            "id" : "005",
-            "name" : "005"
+            "name" : "005",
+            "id" : "005"
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@@ -134,7 +146,6 @@
             "id" : "007"
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             "id" : "008",
             "data" : [
                [
@@ -149,11 +160,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008"
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-            "name" : "009",
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -167,10 +177,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009",
+            "name" : "009"
          },
          {
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -185,6 +196,7 @@
                   11
                ]
             ],
+            "name" : "010",
             "id" : "010"
          },
          {
@@ -220,8 +232,8 @@
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                ]
             ],
-            "id" : "012",
-            "name" : "012"
+            "name" : "012",
+            "id" : "012"
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@@ -243,7 +255,6 @@
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             "data" : [
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                   "Perl",
@@ -257,10 +268,10 @@
                   "Blog",
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                ]
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-            "name" : "015",
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                [
                   "Perl",
@@ -275,11 +286,11 @@
                   15
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+            "name" : "015",
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-            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -293,10 +304,11 @@
                   "Blog",
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                ]
-            ]
+            ],
+            "id" : "016"
          },
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-            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -311,10 +323,9 @@
                   12
                ]
             ],
-            "name" : "017"
+            "id" : "017"
          },
          {
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -329,10 +340,10 @@
                   14
                ]
             ],
+            "id" : "018",
             "name" : "018"
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-            "name" : "019",
             "id" : "019",
             "data" : [
                [
@@ -347,10 +358,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "019"
          },
          {
-            "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -365,10 +377,9 @@
                   13
                ]
             ],
-            "name" : "020"
+            "id" : "020"
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          {
-            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -383,6 +394,7 @@
                   10
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+            "name" : "021",
             "id" : "021"
          },
          {
@@ -404,6 +416,7 @@
             "id" : "022"
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+            "name" : "023",
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                [
                   "Perl",
@@ -418,11 +431,9 @@
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-            "id" : "023",
-            "name" : "023"
+            "id" : "023"
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-            "id" : "024",
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                [
                   "Perl",
@@ -437,10 +448,10 @@
                   11
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+            "id" : "024",
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             "data" : [
                [
                   "Perl",
@@ -455,7 +466,8 @@
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                ]
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+            "id" : "025",
+            "name" : "025"
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@@ -476,7 +488,7 @@
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-            "id" : "027",
+            "name" : "027",
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                   "Perl",
@@ -491,10 +503,9 @@
                   9
                ]
             ],
-            "name" : "027"
+            "id" : "027"
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             "id" : "028",
             "data" : [
                [
@@ -509,9 +520,11 @@
                   "Blog",
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                ]
-            ]
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                [
                   "Perl",
@@ -526,8 +539,7 @@
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                ]
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-            "name" : "029"
+            "id" : "029"
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@@ -548,7 +560,6 @@
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                   "Perl",
@@ -563,10 +574,10 @@
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                ]
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-            "name" : "031"
+            "name" : "031",
+            "id" : "031"
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             "data" : [
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                   "Perl",
@@ -581,7 +592,8 @@
                   10
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+            "id" : "032",
+            "name" : "032"
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@@ -602,7 +614,7 @@
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                   "Perl",
@@ -617,9 +629,10 @@
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-            "id" : "034"
+            "name" : "034"
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@@ -634,12 +647,9 @@
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                   "Perl",
@@ -653,10 +663,11 @@
                   "Blog",
                   11
                ]
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+            "name" : "036"
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             "data" : [
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@@ -671,9 +682,11 @@
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+            "name" : "037",
+            "id" : "037"
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@@ -688,10 +701,10 @@
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-            "name" : "038"
+            "id" : "038"
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+            "name" : "039",
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                   "Perl",
@@ -706,11 +719,9 @@
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-            "id" : "039",
-            "name" : "039"
+            "id" : "039"
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             "data" : [
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@@ -725,10 +736,10 @@
                   "Blog",
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@@ -743,7 +754,8 @@
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@@ -760,11 +772,11 @@
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@@ -779,10 +791,9 @@
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@@ -797,10 +808,10 @@
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+            "name" : "044",
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-            "id" : "045",
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                   "Perl",
@@ -815,10 +826,11 @@
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                   "Perl",
@@ -833,10 +845,9 @@
                   10
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+            "id" : "046"
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@@ -851,7 +862,8 @@
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+            "name" : "047",
+            "id" : "047"
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@@ -872,6 +884,7 @@
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                   "Perl",
@@ -886,11 +899,9 @@
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+            "id" : "049"
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                   "Perl",
@@ -905,9 +916,11 @@
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@@ -922,11 +935,10 @@
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@@ -941,11 +953,9 @@
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             "data" : [
                [
                   "Perl",
@@ -959,11 +969,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "053",
+            "id" : "053"
          },
          {
             "name" : "054",
-            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -977,10 +988,11 @@
                   "Blog",
                   18
                ]
-            ]
+            ],
+            "id" : "054"
          },
          {
-            "id" : "055",
+            "name" : "055",
             "data" : [
                [
                   "Perl",
@@ -995,7 +1007,7 @@
                   14
                ]
             ],
-            "name" : "055"
+            "id" : "055"
          },
          {
             "data" : [
@@ -1016,7 +1028,6 @@
             "name" : "056"
          },
          {
-            "name" : "057",
             "data" : [
                [
                   "Perl",
@@ -1031,11 +1042,11 @@
                   15
                ]
             ],
-            "id" : "057"
+            "id" : "057",
+            "name" : "057"
          },
          {
             "name" : "058",
-            "id" : "058",
             "data" : [
                [
                   "Perl",
@@ -1049,10 +1060,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "058"
          },
          {
-            "id" : "059",
+            "name" : "059",
             "data" : [
                [
                   "Perl",
@@ -1067,7 +1079,7 @@
                   16
                ]
             ],
-            "name" : "059"
+            "id" : "059"
          },
          {
             "id" : "060",
@@ -1088,6 +1100,7 @@
             "name" : "060"
          },
          {
+            "name" : "061",
             "data" : [
                [
                   "Perl",
@@ -1102,11 +1115,10 @@
                   14
                ]
             ],
-            "id" : "061",
-            "name" : "061"
+            "id" : "061"
          },
          {
-            "id" : "062",
+            "name" : "062",
             "data" : [
                [
                   "Perl",
@@ -1121,7 +1133,7 @@
                   11
                ]
             ],
-            "name" : "062"
+            "id" : "062"
          },
          {
             "data" : [
@@ -1138,8 +1150,8 @@
                   13
                ]
             ],
-            "id" : "063",
-            "name" : "063"
+            "name" : "063",
+            "id" : "063"
          },
          {
             "data" : [
@@ -1160,7 +1172,6 @@
             "name" : "064"
          },
          {
-            "name" : "065",
             "id" : "065",
             "data" : [
                [
@@ -1175,10 +1186,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "065"
          },
          {
-            "name" : "066",
+            "id" : "066",
             "data" : [
                [
                   "Perl",
@@ -1193,7 +1205,7 @@
                   14
                ]
             ],
-            "id" : "066"
+            "name" : "066"
          },
          {
             "id" : "067",
@@ -1214,7 +1226,6 @@
             "name" : "067"
          },
          {
-            "id" : "068",
             "data" : [