- Added solutions by Paulo Custodio.

- Added solutions by Santiago Leyva.

27 files changed, 3824 insertions, 3809 deletions

diff --git a/challenge-281/santiago-leyva/perl/ch-02.pl b/challenge-281/santiago-leyva/perl/ch-02.pl
deleted file mode 100644
index fc45e169e2..0000000000
--- a/challenge-281/santiago-leyva/perl/ch-02.pl
+++ /dev/null
@@ -1,15 +0,0 @@
-=begin
-
-Write a script to return true if the square is light, and false if the square is dark.
-
-Example 1
-Input: $coordinates = "d3"
-Output: true
-Example 2
-Input: $coordinates = "g5"
-Output: false
-Example 3
-Input: $coordinates = "e6"
-Output: true
-
-=cut
\ No newline at end of file
diff --git a/challenge-281/santiago-leyva/perl/ch-01.pl b/challenge-281/santiago-leyva/perl/ch-1.pl
index d8f1bb666e..d8f1bb666e 100644
--- a/challenge-281/santiago-leyva/perl/ch-01.pl
+++ b/challenge-281/santiago-leyva/perl/ch-1.pl
diff --git a/stats/pwc-challenge-221.json b/stats/pwc-challenge-221.json
index 5b1095cef7..b71969d8cd 100644
--- a/stats/pwc-challenge-221.json
+++ b/stats/pwc-challenge-221.json
@@ -1,27 +1,207 @@
 {
-   "legend" : {
-      "enabled" : 0
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 2,
+               "name" : "Ali Moradi",
+               "drilldown" : "Ali Moradi"
+            },
+            {
+               "drilldown" : "Andreas Voegele",
+               "y" : 2,
+               "name" : "Andreas Voegele"
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "name" : "Athanasius",
+               "y" : 2,
+               "drilldown" : "Athanasius"
+            },
+            {
+               "name" : "Avery Adams",
+               "y" : 3,
+               "drilldown" : "Avery Adams"
+            },
+            {
+               "name" : "BarrOff",
+               "y" : 2,
+               "drilldown" : "BarrOff"
+            },
+            {
+               "drilldown" : "Bruce Gray",
+               "name" : "Bruce Gray",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung",
+               "y" : 1
+            },
+            {
+               "name" : "David Ferrone",
+               "y" : 4,
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "name" : "Feng Chang",
+               "y" : 2,
+               "drilldown" : "Feng Chang"
+            },
+            {
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti",
+               "y" : 6
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "y" : 1,
+               "name" : "Jan Krnavek",
+               "drilldown" : "Jan Krnavek"
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Lance Wicks",
+               "y" : 2,
+               "name" : "Lance Wicks"
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "y" : 6,
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "y" : 2,
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
+               "y" : 3
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 1,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "name" : "Paulo Custodio",
+               "y" : 2,
+               "drilldown" : "Paulo Custodio"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "y" : 2,
+               "name" : "Peter Meszaros"
+            },
+            {
+               "name" : "Robbie Hatley",
+               "y" : 3,
+               "drilldown" : "Robbie Hatley"
+            },
+            {
+               "y" : 2,
+               "name" : "Robert DiCicco",
+               "drilldown" : "Robert DiCicco"
+            },
+            {
+               "drilldown" : "Robert Ransbottom",
+               "name" : "Robert Ransbottom",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Solathian",
+               "name" : "Solathian",
+               "y" : 1
+            },
+            {
+               "name" : "Thomas Kohler",
+               "y" : 4,
+               "drilldown" : "Thomas Kohler"
+            },
+            {
+               "y" : 4,
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "y" : 3,
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan"
+            }
+         ],
+         "name" : "The Weekly Challenge - 221"
       }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 33] Last updated at 2024-08-17 20:11:50 GMT"
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "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/>"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 221"
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
             "name" : "Ali Moradi",
-            "id" : "Ali Moradi",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Ali Moradi"
          },
          {
             "id" : "Andreas Voegele",
@@ -34,6 +214,7 @@
             "name" : "Andreas Voegele"
          },
          {
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -44,8 +225,7 @@
                   1
                ]
             ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
+            "id" : "Arne Sommer"
          },
          {
             "id" : "Athanasius",
@@ -62,7 +242,6 @@
             "name" : "Athanasius"
          },
          {
-            "name" : "Avery Adams",
             "data" : [
                [
                   "Perl",
@@ -73,6 +252,7 @@
                   2
                ]
             ],
+            "name" : "Avery Adams",
             "id" : "Avery Adams"
          },
          {
@@ -86,28 +266,26 @@
             "name" : "BarrOff"
          },
          {
-            "name" : "Bruce Gray",
+            "id" : "Bruce Gray",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Bruce Gray"
+            "name" : "Bruce Gray"
          },
          {
+            "id" : "Cheok-Yin Fung",
             "name" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Cheok-Yin Fung"
+            ]
          },
          {
-            "name" : "David Ferrone",
-            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
@@ -117,7 +295,9 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "David Ferrone",
+            "id" : "David Ferrone"
          },
          {
             "name" : "E. Choroba",
@@ -130,17 +310,16 @@
             "id" : "E. Choroba"
          },
          {
-            "name" : "Feng Chang",
+            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Feng Chang"
+            "name" : "Feng Chang"
          },
          {
-            "id" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -155,10 +334,10 @@
                   2
                ]
             ],
-            "name" : "Flavio Poletti"
+            "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti"
          },
          {
-            "name" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -173,30 +352,32 @@
                   1
                ]
             ],
+            "name" : "Jaldhar H. Vyas",
             "id" : "Jaldhar H. Vyas"
          },
          {
-            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "id" : "Jan Krnavek"
+            "name" : "Jan Krnavek"
          },
          {
-            "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Jorg Sommrey",
             "id" : "Jorg Sommrey"
          },
          {
             "id" : "Lance Wicks",
+            "name" : "Lance Wicks",
             "data" : [
                [
                   "Perl",
@@ -206,12 +387,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Lance Wicks"
+            ]
          },
          {
-            "name" : "Laurent Rosenfeld",
             "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -228,18 +408,18 @@
             ]
          },
          {
-            "id" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Lubos Kolouch"
+            "name" : "Lubos Kolouch",
+            "id" : "Lubos Kolouch"
          },
          {
-            "name" : "Mark Anderson",
             "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
@@ -249,7 +429,6 @@
          },
          {
             "name" : "Matthias Muth",
-            "id" : "Matthias Muth",
             "data" : [
                [
                   "Perl",
@@ -259,30 +438,30 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Matthias Muth"
          },
          {
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Niels van Dijke"
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
          },
          {
             "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
-                  1
+                  2
                ]
-            ],
-            "name" : "Paulo Custodio"
+            ]
          },
          {
-            "name" : "Peter Campbell Smith",
             "id" : "Peter Campbell Smith",
             "data" : [
                [
@@ -293,19 +472,22 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Peter Campbell Smith"
          },
          {
             "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Peter Meszaros"
+            ]
          },
          {
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -315,9 +497,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Robbie Hatley",
-            "name" : "Robbie Hatley"
+            ]
          },
          {
             "id" : "Robert DiCicco",
@@ -334,18 +514,18 @@
             "name" : "Robert DiCicco"
          },
          {
-            "id" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Robert Ransbottom"
+            "name" : "Robert Ransbottom",
+            "id" : "Robert Ransbottom"
          },
          {
-            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -362,28 +542,27 @@
             ]
          },
          {
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            "id" : "Simon Proctor"
          },
          {
             "id" : "Solathian",
+            "name" : "Solathian",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "name" : "Solathian"
+            ]
          },
          {
             "name" : "Thomas Kohler",
-            "id" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -393,11 +572,10 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Thomas Kohler"
          },
          {
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -407,7 +585,9 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke"
          },
          {
             "data" : [
@@ -420,204 +600,24 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 221"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 33] Last updated at 2024-08-16 16:27:20 GMT"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "name" : "Ali Moradi",
-               "drilldown" : "Ali Moradi",
-               "y" : 2
-            },
-            {
-               "name" : "Andreas Voegele",
-               "drilldown" : "Andreas Voegele",
-               "y" : 2
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Arne Sommer",
-               "name" : "Arne Sommer"
-            },
-            {
-               "drilldown" : "Athanasius",
-               "y" : 2,
-               "name" : "Athanasius"
-            },
-            {
-               "drilldown" : "Avery Adams",
-               "y" : 3,
-               "name" : "Avery Adams"
-            },
-            {
-               "name" : "BarrOff",
-               "y" : 2,
-               "drilldown" : "BarrOff"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Bruce Gray",
-               "name" : "Bruce Gray"
-            },
-            {
-               "name" : "Cheok-Yin Fung",
-               "drilldown" : "Cheok-Yin Fung",
-               "y" : 1
-            },
-            {
-               "name" : "David Ferrone",
-               "drilldown" : "David Ferrone",
-               "y" : 4
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "y" : 2,
-               "name" : "E. Choroba"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Feng Chang",
-               "name" : "Feng Chang"
-            },
-            {
-               "name" : "Flavio Poletti",
-               "drilldown" : "Flavio Poletti",
-               "y" : 6
-            },
-            {
-               "drilldown" : "Jaldhar H. Vyas",
-               "y" : 5,
-               "name" : "Jaldhar H. Vyas"
-            },
-            {
-               "name" : "Jan Krnavek",
-               "y" : 1,
-               "drilldown" : "Jan Krnavek"
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "y" : 2,
-               "name" : "Jorg Sommrey"
-            },
-            {
-               "name" : "Lance Wicks",
-               "drilldown" : "Lance Wicks",
-               "y" : 2
-            },
-            {
-               "name" : "Laurent Rosenfeld",
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 6
-            },
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-               "y" : 2,
-               "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch"
-            },
-            {
-               "name" : "Mark Anderson",
-               "y" : 2,
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Matthias Muth",
-               "name" : "Matthias Muth"
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "y" : 1,
-               "name" : "Niels van Dijke"
-            },
-            {
-               "drilldown" : "Paulo Custodio",
-               "y" : 1,
-               "name" : "Paulo Custodio"
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3,
-               "name" : "Peter Campbell Smith"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Robbie Hatley",
-               "name" : "Robbie Hatley"
-            },
-            {
-               "name" : "Robert DiCicco",
-               "y" : 2,
-               "drilldown" : "Robert DiCicco"
-            },
-            {
-               "name" : "Robert Ransbottom",
-               "y" : 2,
-               "drilldown" : "Robert Ransbottom"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "name" : "Simon Proctor",
-               "y" : 2,
-               "drilldown" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "Solathian",
-               "y" : 1,
-               "name" : "Solathian"
-            },
-            {
-               "name" : "Thomas Kohler",
-               "y" : 4,
-               "drilldown" : "Thomas Kohler"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 4,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ],
-         "name" : "The Weekly Challenge - 221"
-      }
-   ],
    "chart" : {
       "type" : "column"
    },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   "legend" : {
+      "enabled" : 0
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
    }
 }
diff --git a/stats/pwc-challenge-222.json b/stats/pwc-challenge-222.json
index c1ae95b26e..b396a151ab 100644
--- a/stats/pwc-challenge-222.json
+++ b/stats/pwc-challenge-222.json
@@ -4,10 +4,221 @@
          "text" : "Total Solutions"
       }
    },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 4,
+               "name" : "Ali Moradi",
+               "drilldown" : "Ali Moradi"
+            },
+            {
+               "drilldown" : "Andreas Voegele",
+               "y" : 2,
+               "name" : "Andreas Voegele"
+            },
+            {
+               "y" : 3,
+               "name" : "Arne Sommer",
+               "drilldown" : "Arne Sommer"
+            },
+            {
+               "drilldown" : "Athanasius",
+               "y" : 4,
+               "name" : "Athanasius"
+            },
+            {
+               "name" : "Avery Adams",
+               "y" : 3,
+               "drilldown" : "Avery Adams"
+            },
+            {
+               "name" : "BarrOff",
+               "y" : 4,
+               "drilldown" : "BarrOff"
+            },
+            {
+               "y" : 2,
+               "name" : "Bob Lied",
+               "drilldown" : "Bob Lied"
+            },
+            {
+               "drilldown" : "Bruce Gray",
+               "y" : 2,
+               "name" : "Bruce Gray"
+            },
+            {
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Colin Crain",
+               "name" : "Colin Crain",
+               "y" : 3
+            },
+            {
+               "y" : 3,
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "David Ferrone",
+               "y" : 4,
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "name" : "Feng Chang",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Flavio Poletti",
+               "y" : 6,
+               "name" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "y" : 5,
+               "name" : "Jaldhar H. Vyas"
+            },
+            {
+               "name" : "Jan Krnavek",
+               "y" : 2,
+               "drilldown" : "Jan Krnavek"
+            },
+            {
+               "name" : "Jorg Sommrey",
+               "y" : 2,
+               "drilldown" : "Jorg Sommrey"
+            },
+            {
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld",
+               "y" : 5
+            },
+            {
+               "y" : 1,
+               "name" : "Leo Manfredi",
+               "drilldown" : "Leo Manfredi"
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "y" : 2,
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "y" : 2,
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
+               "y" : 3
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 2,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "y" : 2,
+               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio"