- Added solutions by Javier Luque.

16 files changed, 1123 insertions, 994 deletions

diff --git a/challenge-063/javier-luque/blog.txt b/challenge-063/javier-luque/blog.txt
new file mode 100644
index 0000000000..f7d838f037
--- /dev/null
+++ b/challenge-063/javier-luque/blog.txt
@@ -0,0 +1 @@
+https://perlchallenges.wordpress.com/2020/06/01/perl-weekly-challenge-063/
diff --git a/challenge-063/javier-luque/perl/ch-1.pl b/challenge-063/javier-luque/perl/ch-1.pl
new file mode 100644
index 0000000000..c37b7e57a5
--- /dev/null
+++ b/challenge-063/javier-luque/perl/ch-1.pl
@@ -0,0 +1,25 @@
+#!/usr/bin/perl
+# Test: ./ch-1.pl -u
+use strict;
+use warnings;
+use feature qw /say/;
+use Test::More;
+
+is (last_word('  hello world',                qr/[ea]l/),      'hello',  'Hello world');
+is (last_word("Don't match too much, Chet!",  qr/ch.t/i),      'Chet!',  'Chet');
+is (last_word("spaces in regexp won't match", qr/in re/),      undef,    'Undef');
+is (last_word( join(' ', 1..1e6),             qr/^(3.*?){3}/), '399933', 'Numbers');
+
+done_testing();
+
+sub last_word {
+    my ($string, $regex) = @_;
+    my @words = reverse (split ('\s', $string));
+
+    for my $word (@words) {
+    	return $word
+    		if ($word =~ /$regex/);
+    }
+
+    return undef;
+}
diff --git a/challenge-063/javier-luque/perl/ch-2.pl b/challenge-063/javier-luque/perl/ch-2.pl
new file mode 100644
index 0000000000..7c158df528
--- /dev/null
+++ b/challenge-063/javier-luque/perl/ch-2.pl
@@ -0,0 +1,29 @@
+#!/usr/bin/perl
+# Test: ./ch-2.pl
+use strict;
+use warnings;
+use feature qw /say/;
+
+say rotate('xyxx') . ' rotations';
+
+sub rotate {
+    my $word = shift;
+    my $copy = $word;
+
+    # The total length of the word
+    my $total_word_length = length($word);
+    my $i = 0;
+
+    do {
+    	$i++;
+    	my $position = $i % $total_word_length;
+    	my $length   = $total_word_length - $position;
+
+    	$copy = (substr $copy, $position, $length) .
+    	        (substr $copy, 0, $position);
+
+    	say "Rotation $i: $copy";
+    } while ($copy ne $word);
+
+    return $i;
+}
diff --git a/challenge-063/javier-luque/raku/ch-1.p6 b/challenge-063/javier-luque/raku/ch-1.p6
new file mode 100644
index 0000000000..b880054e44
--- /dev/null
+++ b/challenge-063/javier-luque/raku/ch-1.p6
@@ -0,0 +1,25 @@
+# Test: perl6 ch-1.p6 -u
+use Test;
+
+# Hash to store unique emails
+my %unique_emails;
+
+sub MAIN() {
+    is last_word('  hello world',                rx/[e|a]l/),      'hello',  'Hello world';
+    is last_word("Don't match too much, Chet!",  rx:i/ch.t/),      'Chet!',  'Chet';
+    is last_word("spaces in regexp won't match", rx/"in re"/),      Nil,     'Undef';
+    is last_word( join(' ', 1..1e6),            rx/^^(3.*?)**3/), '399933',  'Numbers';
+    done-testing;
+}
+
+# Check if the email is unique
+sub last_word(Str $string, $regex)  {
+    my @words = $string.split(/\s/).reverse;
+
+    for (@words) -> $word {
+    	return $word
+    		if ($word ~~ $regex);
+    }
+
+    return Nil;
+}
diff --git a/challenge-063/javier-luque/raku/ch-2.p6 b/challenge-063/javier-luque/raku/ch-2.p6
new file mode 100644
index 0000000000..0a8d92fdc3
--- /dev/null
+++ b/challenge-063/javier-luque/raku/ch-2.p6
@@ -0,0 +1,26 @@
+# Test: perl6 ch-2.p6
+
+sub MAIN() {
+    say rotate('xyxx') ~ ' rotations';
+}
+
+sub rotate(Str $word) {
+    my $copy = $word;
+
+    # The total length of the word
+    my $total_word_length = $word.chars;
+    my $i = 0;
+
+    repeat {
+    	$i++;
+    	my $position = $i % $total_word_length;
+    	my $length   = $total_word_length - $position;
+
+    	$copy = $copy.substr($position, $length) ~
+    	        $copy.substr(0, $position);
+
+    	say "Rotation $i: $copy";
+    } while ($copy ne $word);
+
+    return $i;
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 10649fd5ab..2946229cc3 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,63 +1,86 @@
 {
-   "xAxis" : {
-      "type" : "category"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 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
+   "chart" : {
+      "type" : "column"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
                ]
             ],
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Niels van Dijke",
             "name" : "Niels van Dijke"
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 1] Last updated at 2020-06-01 06:59:18 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 063"
-   },
    "series" : [
       {
+         "name" : "Perl Weekly Challenge - 063",
          "data" : [
             {
+               "drilldown" : "Javier Luque",
+               "name" : "Javier Luque",
+               "y" : 5
+            },
+            {
                "drilldown" : "Niels van Dijke",
                "name" : "Niels van Dijke",
                "y" : 2
             }
          ],
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 063"
+         "colorByPoint" : 1
       }
    ],
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 063"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
+   },
+   "subtitle" : {
+      "text" : "[Champions: 2] Last updated at 2020-06-01 07:48:25 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index e03ed74310..9400854594 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      }
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-06-01 06:59:18 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
    "series" : [
       {
+         "dataLabels" : {
+            "align" : "right",
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "enabled" : "true"
+         },
          "data" : [
             [
                "Blog",
-               715
+               716
             ],
             [
                "Perl",
-               2602
+               2604
             ],
             [
                "Raku",
-               1641
+               1643
             ]
          ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "enabled" : "true",
-            "align" : "right",
-            "y" : 10,
-            "color" : "#FFFFFF",
-            "rotation" : -90,
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            }
-         }
+         "name" : "Contributions"
       }
    ],
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-06-01 07:48:25 GMT"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "yAxis" : {
+      "min" : 0,
       "title" : {
          "text" : null
-      },
-      "min" : 0
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index eb80f2e84c..6601174c29 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,8 +1,364 @@
 {
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-06-01 07:48:25 GMT"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "series" : [
+      {
+         "colorByPoint" : "true",
+         "data" : [
+            {
+               "name" : "#001",
+               "y" : 142,
+               "drilldown" : "001"
+            },
+            {
+               "drilldown" : "002",
+               "name" : "#002",
+               "y" : 109
+            },
+            {
+               "name" : "#003",
+               "y" : 71,
+               "drilldown" : "003"
+            },
+            {
+               "drilldown" : "004",
+               "name" : "#004",
+               "y" : 91
+            },
+            {
+               "name" : "#005",
+               "y" : 72,
+               "drilldown" : "005"
+            },
+            {
+               "name" : "#006",
+               "y" : 52,
+               "drilldown" : "006"
+            },
+            {
+               "name" : "#007",
+               "y" : 59,
+               "drilldown" : "007"
+            },
+            {
+               "y" : 72,
+               "name" : "#008",
+               "drilldown" : "008"
+            },
+            {
+               "drilldown" : "009",
+               "y" : 68,
+               "name" : "#009"
+            },
+            {
+               "name" : "#010",
+               "y" : 60,
+               "drilldown" : "010"
+            },
+            {
+               "drilldown" : "011",
+               "y" : 79,
+               "name" : "#011"
+            },
+            {
+               "drilldown" : "012",
+               "y" : 83,
+               "name" : "#012"
+            },
+            {
+               "drilldown" : "013",
+               "y" : 76,
+               "name" : "#013"
+            },
+            {
+               "name" : "#014",
+               "y" : 96,
+               "drilldown" : "014"
+            },
+            {
+               "y" : 93,
+               "name" : "#015",
+               "drilldown" : "015"
+            },
+            {
+               "name" : "#016",
+               "y" : 66,
+               "drilldown" : "016"
+            },
+            {
+               "drilldown" : "017",
+               "name" : "#017",
+               "y" : 79
+            },
+            {
+               "drilldown" : "018",
+               "name" : "#018",
+               "y" : 76
+            },
+            {
+               "drilldown" : "019",
+               "name" : "#019",
+               "y" : 97
+            },
+            {
+               "drilldown" : "020",
+               "name" : "#020",
+               "y" : 95
+            },
+            {
+               "y" : 67,
+               "name" : "#021",
+               "drilldown" : "021"
+            },
+            {
+               "name" : "#022",
+               "y" : 63,
+               "drilldown" : "022"
+            },
+            {
+               "y" : 91,
+               "name" : "#023",
+               "drilldown" : "023"
+            },
+            {
+               "y" : 70,
+               "name" : "#024",
+               "drilldown" : "024"
+            },
+            {
+               "drilldown" : "025",
+               "name" : "#025",
+               "y" : 55
+            },
+            {
+               "drilldown" : "026",
+               "y" : 70,
+               "name" : "#026"
+            },
+            {
+               "name" : "#027",
+               "y" : 58,
+               "drilldown" : "027"
+            },
+            {
+               "drilldown" : "028",
+               "name" : "#028",
+               "y" : 78
+            },
+            {
+               "drilldown" : "029",
+               "y" : 77,
+               "name" : "#029"
+            },
+            {
+               "drilldown" : "030",
+               "name" : "#030",
+               "y" : 115
+            },
+            {
+               "drilldown" : "031",
+               "name" : "#031",
+               "y" : 87
+            },
+            {
+               "drilldown" : "032",
+               "name" : "#032",
+               "y" : 92
+            },
+            {
+               "name" : "#033",
+               "y" : 108,
+               "drilldown" : "033"
+            },
+            {
+               "name" : "#034",
+               "y" : 62,
+               "drilldown" : "034"
+            },
+            {
+               "drilldown" : "035",
+               "y" : 62,
+               "name" : "#035"
+            },
+            {
+               "y" : 66,
+               "name" : "#036",
+               "drilldown" : "036"
+            },
+            {
+               "name" : "#037",
+               "y" : 65,
+               "drilldown" : "037"
+            },
+            {
+               "y" : 65,
+               "name" : "#038",
+               "drilldown" : "038"
+            },
+            {
+               "y" : 60,
+               "name" : "#039",
+               "drilldown" : "039"
+            },
+            {
+               "y" : 71,
+               "name" : "#040",
+               "drilldown" : "040"
+            },
+            {
+               "drilldown" : "041",
+               "name" : "#041",
+               "y" : 74
+            },
+            {
+               "y" : 88,
+               "name" : "#042",
+               "drilldown" : "042"
+            },
+            {
+               "drilldown" : "043",
+               "name" : "#043",
+               "y" : 66
+            },
+            {
+               "drilldown" : "044",
+               "y" : 82,
+               "name" : "#044"
+            },
+            {
+               "y" : 94,
+               "name" : "#045",
+               "drilldown" : "045"
+            },
+            {
+               "drilldown" : "046",
+               "y" : 85,
+               "name" : "#046"
+            },
+            {
+               "y" : 82,
+               "name" : "#047",
+               "drilldown" : "047"
+            },
+            {
+               "name" : "#048",
+               "y" : 106,
+               "drilldown" : "048"
+            },
+            {
+               "drilldown" : "049",
+               "name" : "#049",
+               "y" : 85
+            },
+            {
+               "drilldown" : "050",
+               "name" : "#050",
+               "y" : 96
+            },
+            {
+               "drilldown" : "051",
+               "name" : "#051",
+               "y" : 87
+            },
+            {
+               "drilldown" : "052",
+               "name" : "#052",
+               "y" : 89
+            },
+            {
+               "drilldown" : "053",
+               "name" : "#053",
+               "y" : 99
+            },
+            {
+               "y" : 99,
+               "name" : "#054",
+               "drilldown" : "054"
+            },
+            {
+               "drilldown" : "055",
+               "y" : 86,
+               "name" : "#055"
+            },
+            {
+               "name" : "#056",
+               "y" : 93,
+               "drilldown" : "056"
+            },
+            {
+               "y" : 78,
+               "name" : "#057",
+               "drilldown" : "057"
+            },
+            {
+               "drilldown" : "058",
+               "y" : 61,
+               "name" : "#058"
+            },
+            {
+               "name" : "#059",
+               "y" : 82,
+               "drilldown" : "059"
+            },
+            {
+               "y" : 78,
+               "name" : "#060",
+               "drilldown" : "060"
+            },
+            {
+               "y" : 78,
+               "name" : "#061",
+               "drilldown" : "061"
+            },
+            {
+               "y" : 50,
+               "name" : "#062",
+               "drilldown" : "062"
+            },
+            {
+               "y" : 7,
+               "name" : "#063",
+               "drilldown" : "063"
+            }
+         ],
+         "name" : "Perl Weekly Challenge Languages"
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
+   },
+   "tooltip" : {
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -17,11 +373,12 @@
                   11
                ]
             ],
-            "name" : "001"
+            "name" : "001",
+            "id" : "001"
          },
          {
-            "name" : "002",
             "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -38,6 +395,7 @@
             ]
          },
          {
+            "id" : "003",
             "name" : "003",
             "data" : [
                [
@@ -52,10 +410,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003"
+            ]
          },
          {
+            "id" : "004",
             "name" : "004",
             "data" : [
                [
@@ -70,12 +428,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004"
+            ]
          },
          {
-            "name" : "005",
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -89,10 +444,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "005",
+            "id" : "005"
          },
          {
-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -107,11 +463,10 @@
                   7
                ]
             ],
-            "id" : "006"
+            "id" : "006",
+            "name" : "006"
          },
          {
-            "name" : "007",
-            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -125,9 +480,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007",
+            "id" : "007"
          },
          {
+            "id" : "008",
             "name" : "008",
             "data" : [
                [
@@ -142,11 +500,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "008"
+            ]
          },
          {
             "name" : "009",
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -160,10 +518,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "009"
+            ]
          },
          {
+            "name" : "010",
             "id" : "010",
             "data" : [
                [
@@ -178,12 +536,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010"
+            ]
          },
          {
-            "name" : "011",
-            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -197,10 +552,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "011",
+            "id" : "011"
          },
          {
             "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -214,10 +572,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012"
+            ]
          },
          {
+            "name" : "013",
+            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -231,13 +590,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "013",
-            "name" : "013"
+            ]
          },
          {
-            "name" : "014",
             "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -254,8 +611,8 @@
             ]
          },
          {
-            "name" : "015",
             "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -272,6 +629,8 @@
             ]
          },
          {
+            "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -285,12 +644,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016",
-            "name" : "016"
+            ]
          },
          {
-            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -305,10 +661,10 @@
                   12
                ]
             ],
+            "name" : "017",
             "id" : "017"
          },
          {
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -323,11 +679,12 @@
                   14
                ]
             ],
-            "name" : "018"
+            "name" : "018",
+            "id" : "018"
          },
          {
-            "name" : "019",
             "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -344,7 +701,6 @@
             ]
          },
          {
-            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -359,9 +715,12 @@
                   13
                ]
             ],
+            "id" : "020",
             "name" : "020"
          },
          {
+            "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -375,12 +734,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "021",
-            "name" : "021"
+            ]
          },
          {
-            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -395,10 +751,12 @@
                   10
                ]
             ],
-            "name" : "022"
+            "name" : "022",
+            "id" : "022"
          },
          {
             "id" : "023",
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -412,11 +770,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "023"
+            ]
          },
          {
             "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -430,11 +788,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "024"
+            ]
          },
          {
-            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -449,9 +805,11 @@
                   12
                ]
             ],
+            "id" : "025",
             "name" : "025"
          },
          {
+            "id" : "026",
             "name" : "026",
             "data" : [
                [
@@ -466,11 +824,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "026"
+            ]
          },
          {
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -485,11 +841,12 @@
                   9
                ]
             ],
-            "name" : "027"
+            "name" : "027",
+            "id" : "027"
          },
          {
-            "name" : "028",
             "id" : "028",
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -524,7 +881,6 @@
             "name" : "029"
          },
          {
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -539,6 +895,7 @@
                   10
                ]
             ],
+            "name" : "030",
             "id" : "030"
          },
          {
@@ -560,6 +917,7 @@
             "name" : "