- Added solutions by Laurent Rosenfeld.

16 files changed, 876 insertions, 670 deletions

diff --git a/challenge-015/laurent-rosenfeld/blog.txt b/challenge-015/laurent-rosenfeld/blog.txt
new file mode 100644
index 0000000000..5401950ccc
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/blog.txt
@@ -0,0 +1 @@
+http://blogs.perl.org/users/laurent_r/2019/07/perl-weekly-challenge-15-strong-and-weak-primes-and-vigenere-encryption.html
diff --git a/challenge-015/laurent-rosenfeld/perl5/ch-1.pl b/challenge-015/laurent-rosenfeld/perl5/ch-1.pl
new file mode 100644
index 0000000000..975b168713
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/perl5/ch-1.pl
@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use feature qw/say/;
+
+sub is_prime{
+    my $num = shift;
+    for my $i (2 .. $num ** .5) {
+        return 0 if $num % $i == 0;
+    }
+    return 1;
+}
+my @p = grep is_prime($_), 1..105;
+my @strong = map $p[$_],
+    grep { $p[$_] - $p[$_-1] > $p[$_+1] - $p[$_] } 1..25;
+my @weak = map $p[$_],
+    grep { $p[$_] - $p[$_-1] < $p[$_+1] - $p[$_] } 1..25;
+say "Strong: @strong[0..9]";
+say "Weak: @weak[0..9]";
diff --git a/challenge-015/laurent-rosenfeld/perl5/ch-2.pl b/challenge-015/laurent-rosenfeld/perl5/ch-2.pl
new file mode 100644
index 0000000000..1b6943df2e
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/perl5/ch-2.pl
@@ -0,0 +1,75 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use feature qw/say/;
+
+
+sub create_code {
+    # Converts password to a list of numeric codes
+    # where 'a' corresponds to a shift of 1, etc.
+    my $passwd = shift;
+    return map { ord($_) - ord('a') + 1 } split //, $passwd;
+}
+sub rotate_one_letter {
+    # Converts a single letter and deals with cases where
+    # applying the shift would get the result out of range
+    my ($letter, $shift) = @_;
+    my $max = 255;
+    my $shifted = $shift + ord $letter;
+    $shifted = $shifted > $max ? $shifted - $max :
+        $shifted < 0 ? $shifted + $max :
+        $shifted;
+    return chr $shifted;
+}
+sub rotate_msg {
+    # calls rotate-one-letter for each letter of the input message
+    # and passes the right shift value for that letter
+    my ($msg, @code) = @_;
+    my $i = 0;
+    my $result = "";
+    for my $letter (split //, $msg) {
+        my $shift = $code[$i];
+        $result .= rotate_one_letter $letter, $shift;
+        $i++;
+        $i = 0 if $i >= @code;
+    }
+    return $result;
+}
+sub encode {
+    my ($message, @key) = @_;
+    rotate_msg $message, @key;
+}
+sub decode  {
+    my ($message, @key) = @_;
+    my @back_key = map {- $_} @key;
+    rotate_msg $message, @back_key;
+}
+sub run_tests {
+    use Test::More; # Minimal tests for providing an example
+    plan tests => 6; # needed on a separate code line to avoid
+                     # useless output when not running the tests
+    my $code = join "", create_code("abcde");
+    is $code, 12345, "Testing create_code";
+    my @c = create_code "password";
+    for my $word ( qw/foo bar hello world/) {
+        is decode( encode($word, @c), @c), $word,
+            "Round trip for $word";
+    }
+    my $msg = "One small step for man, one giant leap for mankind!";
+    my $ciphertext = encode $msg, @c;
+    is decode($ciphertext, @c), $msg,
+        "Message with spaces and punctuation";
+}
+
+
+if (@ARGV == 1 and $ARGV[0] eq "test") {
+    run_tests;
+} elsif ( @ARGV == 2) {
+    my ($message, $password) = @ARGV;
+    my @code = create_code $password;
+    my $ciphertext = encode $message, @code;
+    say "Encoded cyphertext: $ciphertext";
+    say "Roundtrip to decoded message: ", decode $ciphertext, @code;
+} else {
+    say "Wrong arguments";
+}
diff --git a/challenge-015/laurent-rosenfeld/perl6/ch-1.p6 b/challenge-015/laurent-rosenfeld/perl6/ch-1.p6
new file mode 100644
index 0000000000..ed544b5d08
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/perl6/ch-1.p6
@@ -0,0 +1,9 @@
+use v6;
+
+my @p = grep { .is-prime }, 1..*;   #Lazy infinite list of primes
+my @strong = map { @p[$_] },
+    grep { @p[$_] > (@p[$_ - 1] + @p[$_ + 1]) / 2 }, 1..*;
+my @weak = map { @p[$_] },
+    grep { @p[$_] < (@p[$_ - 1] + @p[$_ + 1]) / 2 }, 1..*;
+say "Strong primes: @strong[0..9]";
+say "Weak primes: @weak[0..9]";
diff --git a/challenge-015/laurent-rosenfeld/perl6/ch-1a.p6 b/challenge-015/laurent-rosenfeld/perl6/ch-1a.p6
new file mode 100644
index 0000000000..c48fced80b
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/perl6/ch-1a.p6
@@ -0,0 +1,7 @@
+use v6;
+
+my @p = grep { .is-prime }, 1..*;   # Lazy infinite list of primes
+say "Strong primes: ", (map { @p[$_] },
+    grep { @p[$_] > (@p[$_ - 1] + @p[$_ + 1]) / 2 }, 1..*)[0..9];
+say "Weak primes: ", (map { @p[$_] },
+    grep { @p[$_] < (@p[$_ - 1] + @p[$_ + 1]) / 2 }, 1..*)[0..9];
diff --git a/challenge-015/laurent-rosenfeld/perl6/ch-1b.p6 b/challenge-015/laurent-rosenfeld/perl6/ch-1b.p6
new file mode 100644
index 0000000000..db2df158b5
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/perl6/ch-1b.p6
@@ -0,0 +1,12 @@
+use v6;
+
+my @p = grep { .is-prime }, 1..*;   # Lazy infinite list of primes
+sub mapper(UInt $i) {
+    @p[$i] > (@p[$i - 1] + @p[$i + 1])/2 ?? 'Strong' !!
+    @p[$i] < (@p[$i - 1] + @p[$i + 1])/2 ?? 'Weak'   !!
+    'Balanced';
+}
+my %categories = categorize &mapper, 1..120;
+for sort keys %categories -> $key {
+    say "$key primes:  ", map {@p[$_]}, %categories{$key}[0..9];
+}
diff --git a/challenge-015/laurent-rosenfeld/perl6/ch-2.p6 b/challenge-015/laurent-rosenfeld/perl6/ch-2.p6
new file mode 100644
index 0000000000..e6154360a8
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/perl6/ch-2.p6
@@ -0,0 +1,60 @@
+use v6;
+
+subset Letter of Str where .chars == 1;
+
+sub create-code (Str $passwd) {
+    # Converts password to a list of numeric codes
+    # where 'a' corresponds to a shift of 1, etc.
+    return $passwd.comb(1).map: {.ord - 'a'.ord + 1}
+}
+sub rotate-one-letter (Letter $letter, Int $shift) {
+    # Converts a single letter and deals with cases
+    # where applying the shift would get out of range
+    constant $max = 255;
+    my $shifted = $letter.ord + $shift;
+    $shifted = $shifted > $max ?? $shifted - $max !!
+        $shifted < 0 ?? $shifted + $max !!
+        $shifted;
+    return $shifted.chr;
+}
+sub rotate-msg (Str $msg, @code) {
+    # calls rotate-one-letter for each letter of the input message
+    # and passes the right shift value for that letter
+    my $i = 0;
+    my $result = "";
+    for $msg.comb(1) -> $letter {
+        my $shift = @code[$i];
+        $result ~= rotate-one-letter $letter, $shift;
+        $i++;
+        $i = 0 if $i >= @code.elems;
+    }
+    return $result;
+}
+sub encode (Str $message, @key) {
+    rotate-msg $message, @key;
+}
+sub decode (Str $message, @key) {
+    my @back-key = map {- $_}, @key;
+    rotate-msg $message, @back-key;
+}
+multi MAIN (Str $message, Str $password) {
+    my @code = create-code $password;
+    my $ciphertext = encode $message, @code;
+    say "Encoded cyphertext: $ciphertext";
+    say "Roundtrip to decoded message: {decode $ciphertext, @code}";
+}
+multi MAIN ("test") {
+    use Test; # Minimal tests for providing an example
+    plan 6;
+    my $code = join "", create-code("abcde");
+    is $code, 12345, "Testing create-code";
+    my @c = create-code "password";
+    for <foo bar hello world> -> $word {
+        is decode( encode($word, @c), @c), $word,
+            "Round trip for $word";
+    }
+    my $msg = "One small step for man, one giant leap for mankind!";
+    my $ciphertext = encode $msg, @c;
+    is decode($ciphertext, @c), $msg,
+        "Message with spaces and punctuation";
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index f1fff6c1c6..898d8714f5 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -4,19 +4,121 @@
          "text" : "Total Solutions"
       }
    },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 015"
+   },
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge - 015",
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 2,
+               "drilldown" : "Andrezgz",
+               "name" : "Andrezgz"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 4,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "Duane Powell",
+               "y" : 2,
+               "name" : "Duane Powell"
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "name" : "Guillermo Ramos",
+               "y" : 3,
+               "drilldown" : "Guillermo Ramos"
+            },
+            {
+               "name" : "Gustavo Chaves",
+               "y" : 2,
+               "drilldown" : "Gustavo Chaves"
+            },
+            {
+               "name" : "Joelle Maslak",
+               "y" : 2,
+               "drilldown" : "Joelle Maslak"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Roger Bell West",
+               "y" : 2,
+               "name" : "Roger Bell West"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Ruben Westerberg",
+               "name" : "Ruben Westerberg"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Simon Miner",
+               "name" : "Simon Miner"
+            },
+            {
+               "name" : "Steven Wilson",
+               "y" : 4,
+               "drilldown" : "Steven Wilson"
+            },
+            {
+               "drilldown" : "Veesh Goldman",
+               "y" : 2,
+               "name" : "Veesh Goldman"
+            },
+            {
+               "drilldown" : "Walt Mankowski",
+               "y" : 2,
+               "name" : "Walt Mankowski"
+            }
+         ]
+      }
+   ],
+   "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
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Andrezgz",
-            "name" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Andrezgz",
+            "name" : "Andrezgz"
          },
          {
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl 5",
@@ -27,50 +129,50 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            "id" : "Dave Jacoby"
          },
          {
             "name" : "Duane Powell",
-            "id" : "Duane Powell",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Duane Powell"
          },
          {
-            "name" : "E. Choroba",
-            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "E. Choroba",
+            "name" : "E. Choroba"
          },
          {
-            "id" : "Guillermo Ramos",
-            "name" : "Guillermo Ramos",
             "data" : [
                [
                   "Perl 5",
                   3
                ]
-            ]
+            ],
+            "id" : "Guillermo Ramos",
+            "name" : "Guillermo Ramos"
          },
          {
             "name" : "Gustavo Chaves",
-            "id" : "Gustavo Chaves",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Gustavo Chaves"
          },
          {
+            "name" : "Joelle Maslak",
             "data" : [
                [
                   "Perl 5",
@@ -81,20 +183,39 @@
                   1
                ]
             ],
-            "name" : "Joelle Maslak",
             "id" : "Joelle Maslak"
          },
          {
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl 5",
                   2
+               ],
+               [
+                  "Perl 6",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
                ]
-            ],
+            ]
+         },
+         {
             "id" : "Roger Bell West",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ],
             "name" : "Roger Bell West"
          },
          {
+            "name" : "Ruben Westerberg",
+            "id" : "Ruben Westerberg",
             "data" : [
                [
                   "Perl 5",
@@ -104,9 +225,7 @@
                   "Perl 6",
                   2
                ]
-            ],
-            "name" : "Ruben Westerberg",
-            "id" : "Ruben Westerberg"
+            ]
          },
          {
             "data" : [
@@ -115,8 +234,8 @@
                   1
                ]
             ],
-            "name" : "Simon Miner",
-            "id" : "Simon Miner"
+            "id" : "Simon Miner",
+            "name" : "Simon Miner"
          },
          {
             "name" : "Steven Wilson",
@@ -134,126 +253,30 @@
          },
          {
             "id" : "Veesh Goldman",
-            "name" : "Veesh Goldman",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "name" : "Veesh Goldman"
          },
          {
-            "id" : "Walt Mankowski",
             "name" : "Walt Mankowski",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Walt Mankowski"
          }
       ]
    },
-   "legend" : {
-      "enabled" : 0
-   },
    "xAxis" : {
       "type" : "category"
    },
    "subtitle" : {
-      "text" : "[Champions: 13] Last updated at 2019-07-04 10:51:36 GMT"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "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" : "Perl Weekly Challenge - 015"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 015",
-         "data" : [
-            {
-               "name" : "Andrezgz",
-               "drilldown" : "Andrezgz",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Dave Jacoby",
-               "y" : 4,
-               "name" : "Dave Jacoby"
-            },
-            {
-               "name" : "Duane Powell",
-               "drilldown" : "Duane Powell",
-               "y" : 2
-            },
-            {
-               "name" : "E. Choroba",
-               "y" : 2,
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "drilldown" : "Guillermo Ramos",
-               "y" : 3,
-               "name" : "Guillermo Ramos"
-            },
-            {
-               "drilldown" : "Gustavo Chaves",
-               "y" : 2,
-               "name" : "Gustavo Chaves"
-            },
-            {
-               "name" : "Joelle Maslak",
-               "drilldown" : "Joelle Maslak",
-               "y" : 2
-            },
-            {
-               "name" : "Roger Bell West",
-               "drilldown" : "Roger Bell West",
-               "y" : 2
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Ruben Westerberg",
-               "name" : "Ruben Westerberg"
-            },
-            {
-               "name" : "Simon Miner",
-               "drilldown" : "Simon Miner",
-               "y" : 1
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Veesh Goldman",
-               "name" : "Veesh Goldman"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Walt Mankowski",
-               "name" : "Walt Mankowski"
-            }
-         ]
-      }
-   ]
+      "text" : "[Champions: 14] Last updated at 2019-07-04 11:03:58 GMT"
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index ea7de88624..058ad65f0f 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions - 2019"
+   "subtitle" : {
+      "text" : "Last updated at 2019-07-04 11:04:14 GMT"
    },
-   "legend" : {
-      "enabled" : "false"
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
    },
-   "subtitle" : {
-      "text" : "Last updated at 2019-07-04 10:51:47 GMT"
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
    },
    "series" : [
       {
          "dataLabels" : {
-            "color" : "#FFFFFF",
-            "align" : "right",
             "enabled" : "true",
             "format" : "{point.y:.0f}",
             "rotation" : -90,
             "y" : 10,
+            "color" : "#FFFFFF",
             "style" : {
                "fontSize" : "13px",
                "fontFamily" : "Verdana, sans-serif"
-            }
+            },
+            "align" : "right"
          },
          "data" : [
             [
                "Blog",
-               133
+               134
             ],
             [
                "Perl 5",
-               617
+               619
             ],
             [
                "Perl 6",
-               342
+               344
             ]
          ],
          "name" : "Contributions"
       }
    ],
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
    "chart" : {
       "type" : "column"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions - 2019"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 17ba3c16c4..419b9b2df0 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,91 +1,12 @@
 {
-   "series" : [
-      {
-         "colorByPoint" : "true",
-         "name" : "Perl Weekly Challenge Languages",
-         "data" : [
-            {
-               "y" : 123,
-               "name" : "#001",
-               "drilldown" : "001"
-            },
-            {
-               "drilldown" : "002",
-               "name" : "#002",
-               "y" : 104
-            },
-            {
-               "name" : "#003",
-               "drilldown" : "003",
-               "y" : 66
-            },
-            {
-               "drilldown" : "004",
-               "name" : "#004",
-               "y" : 84
-            },
-            {
-               "name" : "#005",
-               "drilldown" : "005",
-               "y" : 66
-            },
-            {
-               "drilldown" : "006",
-               "name" : "#006",
-               "y" : 47
-            },
-            {
-               "y" : 54,
-               "drilldown" : "007",
-               "name" : "#007"
-            },
-            {
-               "drilldown" : "008",
-               "name" : "#008",
-               "y" : 67
-            },
-            {
-               "y" : 65,
-               "drilldown" : "009",
-               "name" : "#009"
-            },
-            {
-               "name" : "#010",
-               "drilldown" : "010",
-               "y" : 58
-            },
-            {
-               "drilldown" : "011",
-               "name" : "#011",
-               "y" : 77
-            },
-            {
-               "y" : 81,
-               "name" : "#012",
-               "drilldown" : "012"
-            },
-            {
-               "name" : "#013",
-               "drilldown" : "013",
-               "y" : 74
-            },
-            {
-               "drilldown" : "014",
-               "name" : "#014",
-               "y" : 94
-            },
-            {
-               "y" : 32,
-               "drilldown" : "015",
-               "name" : "#015"
-            }
-         ]
-      }
-   ],
+   "xAxis" : {
+      "type" : "category"
+   },
    "drilldown" : {
       "series" : [
          {
             "name" : "001",
+            "id" : "001",
             "data" : [
                [
                   "Perl 5",
@@ -99,8 +20,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "001"
+            ]
          },
          {
             "data" : [
@@ -117,10 +37,12 @@
                   9
                ]
             ],
-            "name" : "002",
-            "id" : "002"
+            "id" : "002",
+            "name" : "002"
          },
          {
+            "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl 5",
@@ -134,9 +56,7 @@
                   "Blog",
                   8
                ]
-            ],
-            "name" : "003",
-            "id" : "003"
+            ]
          },
          {
             "data" : [
@@ -153,11 +73,10 @@
                   9
                ]
             ],
-            "name" : "004",
-            "id" : "004"
+            "id" : "004",
+            "name" : "004"
          },
          {
-            "name" : "005",
             "data" : [
                [
                   "Perl 5",
@@ -172,9 +91,11 @@
                   11
                ]
             ],
+            "name" : "005",
             "id" : "005"
          },
          {
+            "name" : "006",
             "id" : "006",
             "data" : [
                [
@@ -189,11 +110,9 @@
                   "Blog",
                   6
                ]
-            ],
-            "name" : "006"
+            ]
          },
          {
-            "name" : "007",
             "data" : [
                [
                   "Perl 5",
@@ -208,6 +127,7 @@
                   8
                ]
             ],
+            "name" : "007",
             "id" : "007"
          },
          {
@@ -225,11 +145,10 @@
                   9
                ]
             ],
-            "name" : "008",
-            "id" : "008"
+            "id" : "008",
+            "name" : "008"
          },
          {
-            "id" : "009",
             "data" : [
                [
                   "Perl 5",
@@ -244,11 +163,10 @@
                   11
                ]
             ],
+            "id" : "009",
             "name" : "009"
          },
          {
-            "id" : "010",
-            "name" : "010",
             "data" : [
                [
                   "Perl 5",
@@ -262,10 +180,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "010",
+            "id" : "010"
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-            "name" : "011",
             "data" : [
                [
                   "Perl 5",
@@ -280,9 +199,11 @@
                   8
                ]
             ],
-            "id" : "011"
+            "id" : "011",
+            "name" : "011"
          },
          {
+            "id" : "012",
             "name" : "012",
             "data" : [
                [
@@ -297,12 +218,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "012"
+            ]
          },
          {
-            "id" : "013",
-            "name" : "013",
             "data" : [
                [
                   "Perl 5",
@@ -316,11 +234,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "013",
+            "id" : "013"
          },
          {
-            "id" : "014",
             "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl 5",
@@ -340,15 +260,15 @@
             "data" : [
                [
                   "Perl 5",
-                  27
+                  29
                ],
                [
                   "Perl 6",
-                  3
+                  5
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                [
                   "Blog",
-                  2
+                  3
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             ],
             "name" : "015",
@@ -356,38 +276,118 @@
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "xAxis" : {
-      "type" : "category"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2019-07-04 11:04:14 GMT"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "tooltip" : {
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
       "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/>"
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
    },
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge Languages",
+         "data" : [
+            {
+               "name" : "#001",
+               "drilldown" : "001",
+               "y" : 123
+            },
+            {
+               "name" : "#002",
+               "drilldown" : "002",
+               "y" : 104