- Added solutions by Flavio Poletti.

14 files changed, 1724 insertions, 1701 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index f4e1b34835..0da5fc0cde 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,19 +1,145 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge - 150"
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2022-02-03 21:12:04 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 150",
+         "data" : [
+            {
+               "name" : "Abigail",
+               "drilldown" : "Abigail",
+               "y" : 4
+            },
+            {
+               "name" : "Ali Moradi",
+               "y" : 2,
+               "drilldown" : "Ali Moradi"
+            },
+            {
+               "name" : "Andrew Shitov",
+               "y" : 1,
+               "drilldown" : "Andrew Shitov"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung"
+            },
+            {
+               "name" : "Colin Crain",
+               "y" : 1,
+               "drilldown" : "Colin Crain"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "y" : 6,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "name" : "James Smith",
+               "y" : 3,
+               "drilldown" : "James Smith"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "y" : 2,
+               "name" : "Mark Anderson"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Marton Polgar",
+               "name" : "Marton Polgar"
+            },
+            {
+               "name" : "Mohammad S Anwar",
+               "drilldown" : "Mohammad S Anwar",
+               "y" : 2
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "name" : "Robert DiCicco",
+               "drilldown" : "Robert DiCicco",
+               "y" : 4
+            },
+            {
+               "name" : "Robert Ransbottom",
+               "y" : 2,
+               "drilldown" : "Robert Ransbottom"
+            },
+            {
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          },
          "borderWidth" : 0
       }
    },
+   "chart" : {
+      "type" : "column"
+   },
+   "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
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 150"
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Abigail",
             "name" : "Abigail",
             "data" : [
                [
@@ -24,12 +150,11 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Abigail"
+            ]
          },
          {
-            "name" : "Ali Moradi",
             "id" : "Ali Moradi",
+            "name" : "Ali Moradi",
             "data" : [
                [
                   "Perl",
@@ -38,14 +163,14 @@
             ]
          },
          {
+            "id" : "Andrew Shitov",
             "name" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Andrew Shitov"
+            ]
          },
          {
             "name" : "Cheok-Yin Fung",
@@ -58,17 +183,16 @@
             "id" : "Cheok-Yin Fung"
          },
          {
-            "name" : "Colin Crain",
             "data" : [
                [
                   "Blog",
                   1
                ]
             ],
+            "name" : "Colin Crain",
             "id" : "Colin Crain"
          },
          {
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -79,20 +203,38 @@
                   1
                ]
             ],
+            "name" : "Dave Jacoby",
             "id" : "Dave Jacoby"
          },
          {
-            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "E. Choroba"
+            "id" : "E. Choroba"
+         },
+         {
+            "id" : "Flavio Poletti",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
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+            "name" : "Flavio Poletti"
          },
          {
-            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -103,6 +245,7 @@
                   1
                ]
             ],
+            "name" : "James Smith",
             "id" : "James Smith"
          },
          {
@@ -120,28 +263,26 @@
             "name" : "Luca Ferrari"
          },
          {
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
-            "name" : "Marton Polgar",
+            "id" : "Marton Polgar",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Marton Polgar"
+            "name" : "Marton Polgar"
          },
          {
-            "name" : "Mohammad S Anwar",
-            "id" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
@@ -151,9 +292,12 @@
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar"
          },
          {
+            "id" : "Peter Campbell Smith",
             "name" : "Peter Campbell Smith",
             "data" : [
                [
@@ -164,11 +308,9 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Peter Campbell Smith"
+            ]
          },
          {
-            "id" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
@@ -179,19 +321,21 @@
                   2
                ]
             ],
-            "name" : "Robert DiCicco"
+            "name" : "Robert DiCicco",
+            "id" : "Robert DiCicco"
          },
          {
-            "id" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Robert Ransbottom"
+            "name" : "Robert Ransbottom",
+            "id" : "Robert Ransbottom"
          },
          {
+            "id" : "Roger Bell_West",
             "name" : "Roger Bell_West",
             "data" : [
                [
@@ -206,10 +350,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Roger Bell_West"
+            ]
          },
          {
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -219,12 +364,11 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            ]
          },
          {
             "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -234,129 +378,8 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "W. Luis Mochan"
+            ]
          }
       ]
-   },
-   "series" : [
-      {
-         "data" : [
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-               "y" : 4,
-               "drilldown" : "Abigail"
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-            {
-               "drilldown" : "Ali Moradi",
-               "y" : 2,
-               "name" : "Ali Moradi"
-            },
-            {
-               "drilldown" : "Andrew Shitov",
-               "y" : 1,
-               "name" : "Andrew Shitov"
-            },
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-               "name" : "Cheok-Yin Fung"
-            },
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-               "drilldown" : "Colin Crain",
-               "name" : "Colin Crain",
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-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "name" : "James Smith",
-               "y" : 3,
-               "drilldown" : "James Smith"
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari",
-               "y" : 4
-            },
-            {
-               "name" : "Mark Anderson",
-               "y" : 2,
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "y" : 2,
-               "name" : "Marton Polgar",
-               "drilldown" : "Marton Polgar"
-            },
-            {
-               "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3,
-               "name" : "Peter Campbell Smith"
-            },
-            {
-               "name" : "Robert DiCicco",
-               "y" : 4,
-               "drilldown" : "Robert DiCicco"
-            },
-            {
-               "drilldown" : "Robert Ransbottom",
-               "y" : 2,
-               "name" : "Robert Ransbottom"
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 4,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ],
-         "name" : "The Weekly Challenge - 150",
-         "colorByPoint" : 1
-      }
-   ],
-   "xAxis" : {
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-   },
-   "tooltip" : {
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-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2022-02-03 20:37:36 GMT"
-   },
-   "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 e9c105b552..a34f6614d0 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
+   "legend" : {
+      "enabled" : "false"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      }
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
    "series" : [
       {
-         "name" : "Contributions",
          "dataLabels" : {
             "y" : 10,
+            "rotation" : -90,
+            "enabled" : "true",
+            "color" : "#FFFFFF",
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "rotation" : -90,
             "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "enabled" : "true"
+            "align" : "right"
          },
          "data" : [
             [
                "Blog",
-               2244
+               2246
             ],
             [
                "Perl",
-               7218
+               7220
             ],
             [
                "Raku",
-               4342
+               4344
             ]
-         ]
+         ],
+         "name" : "Contributions"
       }
    ],
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "chart" : {
-      "type" : "column"
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
    },
-   "legend" : {
-      "enabled" : "false"
+   "subtitle" : {
+      "text" : "Last updated at 2022-02-03 21:12:04 GMT"
    },
    "yAxis" : {
       "min" : 0,
       "title" : {
          "text" : null
       }
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2022-02-03 20:37:36 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index df292c24f3..22af4e3330 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,16 +1,27 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge Language"
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : "false"
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "format" : "{point.y}",
             "enabled" : 1
-         }
+         },
+         "borderWidth" : 0
       }
    },
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
+   "tooltip" : {
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -32,6 +43,7 @@
             "id" : "001"
          },
          {
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -46,10 +58,10 @@
                   10
                ]
             ],
-            "id" : "002",
             "name" : "002"
          },
          {
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -64,11 +76,10 @@
                   9
                ]
             ],
-            "id" : "003",
             "name" : "003"
          },
          {
-            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -83,9 +94,11 @@
                   10
                ]
             ],
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+            "id" : "004"
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+            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -99,11 +112,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005",
-            "name" : "005"
+            ]
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          {
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -118,7 +130,6 @@
                   7
                ]
             ],
-            "id" : "006",
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          {
@@ -140,7 +151,6 @@
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             "id" : "008",
             "data" : [
                [
@@ -155,11 +165,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008"
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-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -173,9 +183,12 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009"
          },
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+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -189,12 +202,9 @@
                   "Blog",
                   11
                ]
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-            "name" : "010"
+            ]
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             "data" : [
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                   "Perl",
@@ -209,11 +219,12 @@
                   10
                ]
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+            "name" : "011",
+            "id" : "011"
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+            "name" : "012",
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                [
                   "Perl",
@@ -262,12 +273,10 @@
                   15
                ]
             ],
-            "id" : "014",
-            "name" : "014"
+            "name" : "014",
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             "data" : [
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                   "Perl",
@@ -281,7 +290,9 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "015",
+            "id" : "015"
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@@ -302,7 +313,6 @@
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@@ -317,11 +327,12 @@
                   12
                ]
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+            "name" : "017",
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@@ -339,7 +350,6 @@
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             "data" : [
                [
                   "Perl",
@@ -353,10 +363,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
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-            "name" : "020",
+            "id" : "020",
             "data" : [
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                   "Perl",
@@ -371,9 +382,10 @@
                   13
                ]
             ],
-            "id" : "020"
+            "name" : "020"
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             "data" : [
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@@ -388,11 +400,9 @@
                   "Blog",
                   10
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-            ],
-            "id" : "021"
+            ]
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@@ -407,11 +417,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "022"
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+            "name" : "023",
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                [
                   "Perl",
@@ -428,8 +439,8 @@
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+            "name" : "024",
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                [
                   "Perl",
@@ -460,11 +471,12 @@
                   12
                ]
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-            "name" : "025"
+            "name" : "025",
+            "id" : "025"
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             "data" : [
                [
                   "Perl",
@@ -478,8 +490,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "026"
+            ]
          },
          {
             "data" : [
@@ -496,12 +507,12 @@
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                ]
             ],
-            "id" : "027",
-            "name" : "027"
+            "name" : "027",
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+            "name" : "028",
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                [
                   "Perl",
@@ -532,10 +543,11 @@
                   12
                ]
             ],
-            "id" : "029",
-            "name" : "029"
+            "name" : "029",
+            "id" : "029"
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             "data" : [
                [
@@ -550,11 +562,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "030"
+            ]
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          {
-            "name" : "031",
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -569,9 +580,11 @@
                   9
                ]
             ],
-            "id" : "031"
+            "name" : "031"
          },
          {
+            "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -585,11 +598,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "032",
-            "name" : "032"
+            ]
          },
          {
+            "id" : "033",
             "name" : "033",
             "data" : [
                [
@@ -604,8 +616,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033"
+            ]
          },
          {
             "id" : "034",
@@ -626,7 +637,7 @@
             "name" : "034"
          },
          {
-            "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -641,9 +652,10 @@
                   9
                ]
             ],
-            "id" : "035"
+            "name" : "035"
          },
          {
+            "id" : "036",
             "name" : "036",
             "data" : [
                [
@@ -658,11 +670,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "036"
+            ]
          },
          {
-            "id" : "037",
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -677,10 +688,9 @@
                   9
                ]
             ],
-            "name" : "037"
+            "id" : "037"
          },
          {
-            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -695,10 +705,10 @@
                   12
                ]
             ],
+            "name" : "038",
             "id" : "038"
          },
          {
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -713,11 +723,10 @@
                   12
                ]
             ],
+            "name" : "039",
             "id" : "039"
          },
          {
-            "name" : "040",
-            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -731,9 +740,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "040",
+            "id" : "040"
          },
          {
+            "id" : "041",
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -747,9 +760,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "041",
-            "name" : "041"
+            ]
          },
          {
             "name" : "042",
@@ -770,6 +781,7 @@
             "id" : "042"
          },
          {
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -784,11 +796,11 @@
                   11
                ]
             ],
-            "id" : "043",
             "name" : "043"
          },
          {
             "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -802,11 +814,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "044"
+            ]
          },
          {
-            "name" : "045",
+            "id" : "045",
             "data" : [
                [
                   "Perl",
@@ -821,7 +832,7 @@
                   11
                ]
             ],
-            "id" : "045"
+            "name" : "045"
          },
          {
             "data" : [
@@ -838,8 +849,8 @@
                   10
                ]
             ],
-            "id" : "046",