- Added solutions by Flavio Poletti.

14 files changed, 1524 insertions, 1501 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 5e380f754e..38fb840fea 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -12,6 +12,7 @@
             "id" : "Ali Moradi"
          },
          {
+            "name" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -22,10 +23,11 @@
                   2
                ]
             ],
-            "id" : "Athanasius",
-            "name" : "Athanasius"
+            "id" : "Athanasius"
          },
          {
+            "id" : "Bartosz Jarzyna",
+            "name" : "Bartosz Jarzyna",
             "data" : [
                [
                   "Perl",
@@ -35,32 +37,30 @@
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Bartosz Jarzyna",
-            "name" : "Bartosz Jarzyna"
+            ]
          },
          {
-            "id" : "Bruce Gray",
+            "name" : "Bruce Gray",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Bruce Gray"
+            "id" : "Bruce Gray"
          },
          {
-            "id" : "Cheok-Yin Fung",
+            "name" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Cheok-Yin Fung"
+            "id" : "Cheok-Yin Fung"
          },
          {
-            "name" : "Colin Crain",
+            "id" : "Colin Crain",
             "data" : [
                [
                   "Perl",
@@ -71,47 +71,65 @@
                   1
                ]
             ],
-            "id" : "Colin Crain"
+            "name" : "Colin Crain"
          },
          {
+            "id" : "Dario Mazzeo",
+            "name" : "Dario Mazzeo",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Dario Mazzeo",
-            "name" : "Dario Mazzeo"
+            ]
          },
          {
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            "id" : "Dave Jacoby"
          },
          {
-            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "E. Choroba",
             "id" : "E. Choroba"
          },
          {
+            "name" : "Flavio Poletti",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Flavio Poletti"
+         },
+         {
             "name" : "habere-et-dispetire",
-            "id" : "habere-et-dispetire",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "id" : "habere-et-dispetire"
          },
          {
             "data" : [
@@ -120,12 +138,12 @@
                   2
                ]
             ],
-            "id" : "Humberto Massa",
-            "name" : "Humberto Massa"
+            "name" : "Humberto Massa",
+            "id" : "Humberto Massa"
          },
          {
-            "name" : "James Smith",
             "id" : "James Smith",
+            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -148,27 +166,28 @@
             "id" : "Jan Krnavek"
          },
          {
+            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Jorg Sommrey",
             "name" : "Jorg Sommrey"
          },
          {
-            "name" : "Kjetil Skotheim",
             "id" : "Kjetil Skotheim",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Kjetil Skotheim"
          },
          {
             "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -182,12 +201,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Laurent Rosenfeld"
+            ]
          },
          {
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -200,34 +218,34 @@
             ]
          },
          {
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            "id" : "Mark Anderson"
          },
          {
-            "name" : "Marton Polgar",
-            "id" : "Marton Polgar",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Marton Polgar",
+            "id" : "Marton Polgar"
          },
          {
-            "id" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Matthew Neleigh"
+            "name" : "Matthew Neleigh",
+            "id" : "Matthew Neleigh"
          },
          {
             "data" : [
@@ -236,11 +254,10 @@
                   2
                ]
             ],
-            "id" : "Mohammad S Anwar",
-            "name" : "Mohammad S Anwar"
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar"
          },
          {
-            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -251,30 +268,30 @@
                   1
                ]
             ],
-            "name" : "Peter Campbell Smith"
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith"
          },
          {
+            "id" : "Philippe Bricout",
             "name" : "Philippe Bricout",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Philippe Bricout"
+            ]
          },
          {
+            "name" : "PokGoPun",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "PokGoPun",
-            "name" : "PokGoPun"
+            "id" : "PokGoPun"
          },
          {
-            "id" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
@@ -285,20 +302,21 @@
                   1
                ]
             ],
-            "name" : "Robert DiCicco"
+            "name" : "Robert DiCicco",
+            "id" : "Robert DiCicco"
          },
          {
-            "name" : "Robert Ransbottom",
+            "id" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Robert Ransbottom"
+            "name" : "Robert Ransbottom"
          },
          {
-            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -313,10 +331,9 @@
                   1
                ]
             ],
-            "name" : "Roger Bell_West"
+            "id" : "Roger Bell_West"
          },
          {
-            "id" : "Stephen G Lynn",
             "data" : [
                [
                   "Perl",
@@ -331,11 +348,10 @@
                   1
                ]
             ],
-            "name" : "Stephen G Lynn"
+            "name" : "Stephen G Lynn",
+            "id" : "Stephen G Lynn"
          },
          {
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -345,7 +361,9 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke"
          },
          {
             "name" : "W. Luis Mochan",
@@ -363,87 +381,72 @@
          }
       ]
    },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
    "legend" : {
       "enabled" : 0
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 171"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 30] Last updated at 2022-07-03 18:03:13 GMT"
+   "tooltip" : {
+      "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/>"
    },
    "series" : [
       {
+         "colorByPoint" : 1,
          "name" : "The Weekly Challenge - 171",
          "data" : [
             {
                "drilldown" : "Ali Moradi",
-               "name" : "Ali Moradi",
-               "y" : 2
+               "y" : 2,
+               "name" : "Ali Moradi"
             },
             {
                "name" : "Athanasius",
-               "drilldown" : "Athanasius",
-               "y" : 4
+               "y" : 4,
+               "drilldown" : "Athanasius"
             },
             {
                "y" : 3,
-               "name" : "Bartosz Jarzyna",
-               "drilldown" : "Bartosz Jarzyna"
+               "drilldown" : "Bartosz Jarzyna",
+               "name" : "Bartosz Jarzyna"
             },
             {
+               "y" : 2,
                "drilldown" : "Bruce Gray",
-               "name" : "Bruce Gray",
-               "y" : 2
+               "name" : "Bruce Gray"
             },
             {
-               "y" : 2,
+               "name" : "Cheok-Yin Fung",
                "drilldown" : "Cheok-Yin Fung",
-               "name" : "Cheok-Yin Fung"
+               "y" : 2
             },
             {
                "drilldown" : "Colin Crain",
-               "name" : "Colin Crain",
-               "y" : 3
+               "y" : 3,
+               "name" : "Colin Crain"
             },
             {
                "name" : "Dario Mazzeo",
-               "drilldown" : "Dario Mazzeo",
-               "y" : 1
+               "y" : 1,
+               "drilldown" : "Dario Mazzeo"
             },
             {
-               "y" : 2,
                "name" : "Dave Jacoby",
+               "y" : 2,
                "drilldown" : "Dave Jacoby"
             },
             {
-               "drilldown" : "E. Choroba",
                "name" : "E. Choroba",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Flavio Poletti",
+               "y" : 6,
+               "drilldown" : "Flavio Poletti"
             },
             {
-               "drilldown" : "habere-et-dispetire",
                "name" : "habere-et-dispetire",
+               "drilldown" : "habere-et-dispetire",
                "y" : 1
             },
             {
@@ -453,28 +456,28 @@
             },
             {
                "name" : "James Smith",
-               "drilldown" : "James Smith",
-               "y" : 3
+               "y" : 3,
+               "drilldown" : "James Smith"
             },
             {
+               "y" : 2,
                "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek",
-               "y" : 2
+               "name" : "Jan Krnavek"
             },
             {
                "y" : 2,
-               "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey"
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey"
             },
             {
                "drilldown" : "Kjetil Skotheim",
-               "name" : "Kjetil Skotheim",
-               "y" : 2
+               "y" : 2,
+               "name" : "Kjetil Skotheim"
             },
             {
+               "y" : 5,
                "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld",
-               "y" : 5
+               "name" : "Laurent Rosenfeld"
             },
             {
                "y" : 8,
@@ -482,77 +485,97 @@
                "name" : "Luca Ferrari"
             },
             {
-               "y" : 1,
                "name" : "Mark Anderson",
+               "y" : 1,
                "drilldown" : "Mark Anderson"
             },
             {
-               "y" : 2,
                "drilldown" : "Marton Polgar",
+               "y" : 2,
                "name" : "Marton Polgar"
             },
             {
-               "y" : 2,
                "name" : "Matthew Neleigh",
-               "drilldown" : "Matthew Neleigh"
+               "drilldown" : "Matthew Neleigh",
+               "y" : 2
             },
             {
-               "y" : 2,
+               "name" : "Mohammad S Anwar",
                "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar"
+               "y" : 2
             },
             {
                "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith",
-               "y" : 2
+               "y" : 2,
+               "name" : "Peter Campbell Smith"
             },
             {
-               "name" : "Philippe Bricout",
                "drilldown" : "Philippe Bricout",
-               "y" : 1
+               "y" : 1,
+               "name" : "Philippe Bricout"
             },
             {
+               "name" : "PokGoPun",
                "y" : 2,
-               "drilldown" : "PokGoPun",
-               "name" : "PokGoPun"
+               "drilldown" : "PokGoPun"
             },
             {
+               "name" : "Robert DiCicco",
                "y" : 2,
-               "drilldown" : "Robert DiCicco",
-               "name" : "Robert DiCicco"
+               "drilldown" : "Robert DiCicco"
             },
             {
-               "name" : "Robert Ransbottom",
                "drilldown" : "Robert Ransbottom",
-               "y" : 2
+               "y" : 2,
+               "name" : "Robert Ransbottom"
             },
             {
-               "y" : 5,
                "drilldown" : "Roger Bell_West",
+               "y" : 5,
                "name" : "Roger Bell_West"
             },
             {
-               "name" : "Stephen G Lynn",
                "drilldown" : "Stephen G Lynn",
-               "y" : 5
+               "y" : 5,
+               "name" : "Stephen G Lynn"
             },
             {
+               "name" : "Ulrich Rieke",
                "y" : 4,
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
+               "drilldown" : "Ulrich Rieke"
             },
             {
                "name" : "W. Luis Mochan",
                "drilldown" : "W. Luis Mochan",
                "y" : 3
             }
-         ],
-         "colorByPoint" : 1
+         ]
       }
    ],
-   "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
+   "title" : {
+      "text" : "The Weekly Challenge - 171"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "subtitle" : {
+      "text" : "[Champions: 31] Last updated at 2022-07-03 20:56:35 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index eacacc1c94..2830fe0d92 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,38 +1,41 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2022-07-03 18:03:13 GMT"
-   },
    "series" : [
       {
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               2666
+               2668
             ],
             [
                "Perl",
-               8335
+               8337
             ],
             [
                "Raku",
-               4954
+               4956
             ]
          ],
+         "name" : "Contributions",
          "dataLabels" : {
+            "y" : 10,
+            "enabled" : "true",
             "rotation" : -90,
             "color" : "#FFFFFF",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "format" : "{point.y:.0f}",
             "align" : "right",
-            "y" : 10,
-            "enabled" : "true"
+            "format" : "{point.y:.0f}"
          }
       }
    ],
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
@@ -45,19 +48,16 @@
    "chart" : {
       "type" : "column"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "xAxis" : {
-      "type" : "category",
       "labels" : {
          "style" : {
             "fontSize" : "13px",
             "fontFamily" : "Verdana, sans-serif"
          }
-      }
+      },
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2022-07-03 20:56:35 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 275a8287d6..70c08ee120 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,7 +1,14 @@
 {
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -15,13 +22,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "001",
-            "name" : "001"
+            ]
          },
          {
             "name" : "002",
-            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -35,10 +39,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "002"
          },
          {
-            "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -53,10 +58,10 @@
                   9
                ]
             ],
-            "name" : "003"
+            "id" : "003"
          },
          {
-            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -71,10 +76,9 @@
                   10
                ]
             ],
-            "id" : "004"
+            "name" : "004"
          },
          {
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -89,10 +93,12 @@
                   12
                ]
             ],
-            "name" : "005"
+            "name" : "005",
+            "id" : "005"
          },
          {
             "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -106,12 +112,9 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006"
+            ]
          },
          {
-            "name" : "007",
-            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -125,10 +128,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007",
+            "id" : "007"
          },
          {
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -143,9 +147,11 @@
                   12
                ]
             ],
-            "name" : "008"
+            "name" : "008",
+            "id" : "008"
          },
          {
+            "id" : "009",
             "name" : "009",
             "data" : [
                [
@@ -160,11 +166,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "009"
+            ]
          },
          {
             "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -178,8 +184,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010"
+            ]
          },
          {
             "name" : "011",
@@ -200,7 +205,7 @@
             "id" : "011"
          },
          {
-            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -215,11 +220,9 @@
                   11
                ]
             ],
-            "id" : "012"
+            "name" : "012"
          },
          {
-            "name" : "013",
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -233,10 +236,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "013",
+            "id" : "013"
          },
          {
-            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -251,11 +255,11 @@
                   15
                ]
             ],
+            "name" : "014",
             "id" : "014"
          },
          {
             "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -269,10 +273,10 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "015"
          },
          {
-            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -287,9 +291,12 @@
                   12
                ]
             ],
+            "name" : "016",
             "id" : "016"
          },
          {
+            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -303,9 +310,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "017",
-            "name" : "017"
+            ]
          },
          {
             "name" : "018",
@@ -344,6 +349,7 @@
             "name" : "019"
          },
          {
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -358,11 +364,9 @@
                   13
                ]
             ],
-            "id" : "020",
             "name" : "020"
          },
          {
-            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -377,10 +381,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "021"
          },
          {
-            "name" : "022",
             "id" : "022",
             "data" : [
                [
@@ -395,10 +399,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "022"
          },
          {
-            "name" : "023",
             "id" : "023",
             "data" : [
                [
@@ -413,10 +417,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "023"
          },
          {
-            "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -431,10 +436,10 @@
                   11
                ]
             ],
-            "id" : "024"
+            "name" : "024"
          },
          {
-            "id" : "025",
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -449,10 +454,9 @@
                   12
                ]
             ],
-            "name" : "025"
+            "id" : "025"
          },
          {
-            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -467,9 +471,11 @@
                   10
                ]
             ],
+            "name" : "026",
             "id" : "026"
          },
          {
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -484,10 +490,10 @@
                   9
                ]
             ],
-            "id" : "027",
             "name" : "027"
          },
          {
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -502,7 +508,6 @@
                   9
                ]
             ],
-            "id" : "028",
             "name" : "028"
          },
          {
@@ -520,12 +525,11 @@
                   12
                ]
             ],
-            "id" : "029",
-            "name" : "029"
+            "name" : "029",
+            "id" : "029"
          },
          {
             "name" : "030",
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -539,7 +543,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
             "id" : "031",
@@ -560,8 +565,6 @@
             "name" : "031"
          },
          {
-            "name" : "032",
-            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -575,