- Added solutions by Arne Sommer.

19 files changed, 891 insertions, 736 deletions

diff --git a/challenge-013/arne-sommer/blog.txt b/challenge-013/arne-sommer/blog.txt
new file mode 100644
index 0000000000..abf8e75b44
--- /dev/null
+++ b/challenge-013/arne-sommer/blog.txt
@@ -0,0 +1 @@
+https://perl6.eu/hofstadter-friday.html
diff --git a/challenge-013/arne-sommer/perl6/ch-1.p6 b/challenge-013/arne-sommer/perl6/ch-1.p6
new file mode 100755
index 0000000000..64aab92727
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/ch-1.p6
@@ -0,0 +1,12 @@
+#! /usr/bin/env perl6
+
+unit sub MAIN (Int $year = DateTime.now.year);
+
+for 1 .. 12 -> $month
+{
+  my $date = Date.new($year, $month, Date.new($year, $month, 1).days-in-month);
+
+  $date.=pred while $date.day-of-week != 5;
+
+  say $date.Str.trans("-" => "/");
+}
diff --git a/challenge-013/arne-sommer/perl6/ch-2.p6 b/challenge-013/arne-sommer/perl6/ch-2.p6
new file mode 100755
index 0000000000..34ad1fb47c
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/ch-2.p6
@@ -0,0 +1,20 @@
+#! /usr/bin/env perl6
+
+unit sub MAIN ($limit = 10);
+
+my $M;
+my $F := gather
+{
+  take 1;
+  loop { state $index++; take $index - $M[$F[$index -1]]; }
+}
+
+$M := gather
+{
+  take 0;
+  loop { state $index++; take $index - $F[$M[$index -1]]; }
+}
+
+say "  ", (    $_.fmt("%2d") for ^$limit ).join(" ");
+say "F:", ( $F[$_].fmt("%2d") for ^$limit ).join(" ");
+say "M:", ( $M[$_].fmt("%2d") for ^$limit ).join(" ");
diff --git a/challenge-013/arne-sommer/perl6/hofstadter-FM b/challenge-013/arne-sommer/perl6/hofstadter-FM
new file mode 100755
index 0000000000..7056ab0db9
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/hofstadter-FM
@@ -0,0 +1,21 @@
+#! /usr/bin/env perl6
+
+unit sub MAIN ($limit = 10);
+
+multi sub F (0) { return 1; }
+
+multi sub F (Int $n where $n > 0)
+{
+  return $n − M( F($n − 1) ); 
+}
+
+multi sub M (0) { return 0; }
+
+multi sub M (Int $n where $n > 0)
+{
+  return $n − F( M($n − 1) ); 
+}
+
+say "  ", (    $_.fmt("%2d") for ^$limit ).join(" ");
+say "F:", ( F($_).fmt("%2d") for ^$limit ).join(" ");
+say "M:", ( M($_).fmt("%2d") for ^$limit ).join(" ");
diff --git a/challenge-013/arne-sommer/perl6/hofstadter-FM2 b/challenge-013/arne-sommer/perl6/hofstadter-FM2
new file mode 100755
index 0000000000..39a2a5e064
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/hofstadter-FM2
@@ -0,0 +1,21 @@
+#! /usr/bin/env perl6
+
+unit sub MAIN ($limit = 10);
+
+multi sub F (0) { 1; }
+
+multi sub F (Int \n where n > 0)
+{
+  n − M( F(n − 1) ); 
+}
+
+multi sub M (0) { 0; }
+
+multi sub M (Int \n where n > 0)
+{
+  n − F( M(n − 1) ); 
+}
+
+say "  ", (    $_.fmt("%2d") for ^$limit ).join(" ");
+say "F:", ( F($_).fmt("%2d") for ^$limit ).join(" ");
+say "M:", ( M($_).fmt("%2d") for ^$limit ).join(" ");
diff --git a/challenge-013/arne-sommer/perl6/last-friday-backward b/challenge-013/arne-sommer/perl6/last-friday-backward
new file mode 100755
index 0000000000..853ac2b96b
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/last-friday-backward
@@ -0,0 +1,20 @@
+#! /usr/bin/env perl6
+
+unit sub MAIN (Int $year = DateTime.now.year);
+
+my $date = Date.new($year, 12, 31);
+
+$date.=pred while $date.day-of-week != 5;
+
+my @dates = ($date);
+
+my $current-month = 12;
+
+for ^11
+{
+  $date.=earlier(days => 7) while $date.month == $current-month;
+  $current-month--;
+  @dates.push: $date;
+}
+
+.Str.trans("-" => "/").say for @dates.reverse;
diff --git a/challenge-013/arne-sommer/perl6/last-friday-forward b/challenge-013/arne-sommer/perl6/last-friday-forward
new file mode 100755
index 0000000000..3c7b8b928c
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/last-friday-forward
@@ -0,0 +1,16 @@
+#! /usr/bin/env perl6
+
+unit sub MAIN (Int $year = DateTime.now.year);
+
+my $date = Date.new($year, 1, 1);
+
+$date.=succ while $date.day-of-week != 5;
+
+my $old = $date;
+
+while $date.year == $year
+{
+  $old = $date;
+  $date.=later(days => 7); 
+  say $old.Str.trans("-" => "/") if $old.month != $date.month;
+}
diff --git a/challenge-013/arne-sommer/perl6/last-friday-oneliner b/challenge-013/arne-sommer/perl6/last-friday-oneliner
new file mode 100755
index 0000000000..cd9b8859b8
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/last-friday-oneliner
@@ -0,0 +1,12 @@
+#! /usr/bin/env perl6
+
+-> $year
+{
+  -> $month
+  {
+    -> $date
+    {
+      say $date.earlier(days => $date.day-of-week < 5 ?? ( $date.day-of-week + 2 ) !! ( $date.day-of-week - 5) ).Str.trans("-" => "/")
+    }(Date.new($year, $month, Date.new($year, $month, 1).days-in-month))
+  }($_) for 1 .. 12
+}(@*ARGS[0] // DateTime.now.year);
diff --git a/challenge-013/arne-sommer/perl6/last-friday-oneliner-actually b/challenge-013/arne-sommer/perl6/last-friday-oneliner-actually
new file mode 100755
index 0000000000..558249c28e
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/last-friday-oneliner-actually
@@ -0,0 +1,3 @@
+#! /usr/bin/env perl6
+
+-> $year { -> $month { -> $date { say $date.earlier(days => $date.day-of-week < 5 ?? ( $date.day-of-week + 2 ) !! ( $date.day-of-week - 5) ).Str.trans("-" => "/") }(Date.new($year, $month, Date.new($year, $month, 1).days-in-month)) }($_) for 1 .. 12 }(@*ARGS[0] // DateTime.now.year);
diff --git a/challenge-013/arne-sommer/perl6/last-friday-shorter b/challenge-013/arne-sommer/perl6/last-friday-shorter
new file mode 100755
index 0000000000..500a07672e
--- /dev/null
+++ b/challenge-013/arne-sommer/perl6/last-friday-shorter
@@ -0,0 +1,10 @@
+#! /usr/bin/env perl6
+
+unit sub MAIN (Int $year = DateTime.now.year);
+
+for 1 .. 12 -> $month
+{
+  my $date = Date.new($year, $month, Date.new($year, $month, 1).days-in-month);
+
+  say $date.earlier(days => $date.day-of-week < 5 ?? ( $date.day-of-week + 2 ) !! ( $date.day-of-week - 5) ).Str.trans("-" => "/");
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 27849e0343..6e1134c872 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,11 +1,25 @@
 {
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "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/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
    "title" : {
       "text" : "Perl Weekly Challenge - 013"
    },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 013",
          "data" : [
             {
                "drilldown" : "Andrezgz",
@@ -13,14 +27,19 @@
                "name" : "Andrezgz"
             },
             {
-               "drilldown" : "Dave Jacoby",
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "name" : "Dave Jacoby",
                "y" : 3,
-               "name" : "Dave Jacoby"
+               "drilldown" : "Dave Jacoby"
             },
             {
-               "drilldown" : "E. Choroba",
                "y" : 3,
-               "name" : "E. Choroba"
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba"
             },
             {
                "drilldown" : "Guillermo Ramos",
@@ -28,59 +47,59 @@
                "name" : "Guillermo Ramos"
             },
             {
-               "y" : 2,
                "drilldown" : "Gustavo Chaves",
-               "name" : "Gustavo Chaves"
+               "name" : "Gustavo Chaves",
+               "y" : 2
             },
             {
-               "name" : "Jaldhar H. Vyas",
                "y" : 4,
+               "name" : "Jaldhar H. Vyas",
                "drilldown" : "Jaldhar H. Vyas"
             },
             {
-               "name" : "Joelle Maslak",
                "y" : 4,
+               "name" : "Joelle Maslak",
                "drilldown" : "Joelle Maslak"
             },
             {
                "drilldown" : "Kevin Colyer",
-               "y" : 2,
-               "name" : "Kevin Colyer"
+               "name" : "Kevin Colyer",
+               "y" : 2
             },
             {
+               "y" : 5,
                "name" : "Laurent Rosenfeld",
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 5
+               "drilldown" : "Laurent Rosenfeld"
             },
             {
-               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch",
                "y" : 2,
-               "name" : "Lubos Kolouch"
+               "drilldown" : "Lubos Kolouch"
             },
             {
-               "y" : 2,
                "drilldown" : "Maxim Nechaev",
+               "y" : 2,
                "name" : "Maxim Nechaev"
             },
             {
-               "name" : "Neil Bowers",
                "drilldown" : "Neil Bowers",
-               "y" : 1
+               "y" : 1,
+               "name" : "Neil Bowers"
             },
             {
+               "drilldown" : "Ozzy",
                "name" : "Ozzy",
-               "y" : 2,
-               "drilldown" : "Ozzy"
+               "y" : 2
             },
             {
-               "drilldown" : "Pete Houston",
+               "name" : "Pete Houston",
                "y" : 1,
-               "name" : "Pete Houston"
+               "drilldown" : "Pete Houston"
             },
             {
-               "drilldown" : "Ruben Westerberg",
+               "name" : "Ruben Westerberg",
                "y" : 4,
-               "name" : "Ruben Westerberg"
+               "drilldown" : "Ruben Westerberg"
             },
             {
                "name" : "Simon Proctor",
@@ -89,26 +108,45 @@
             },
             {
                "y" : 3,
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson"
+               "name" : "Steven Wilson",
+               "drilldown" : "Steven Wilson"
             }
-         ]
+         ],
+         "name" : "Perl Weekly Challenge - 013",
+         "colorByPoint" : 1
       }
    ],
+   "chart" : {
+      "type" : "column"
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Andrezgz",
             "id" : "Andrezgz"
          },
          {
-            "id" : "Dave Jacoby",
+            "id" : "Arne Sommer",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Arne Sommer"
+         },
+         {
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl 5",
@@ -119,11 +157,9 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby"
+            "id" : "Dave Jacoby"
          },
          {
-            "id" : "E. Choroba",
-            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl 5",
@@ -133,7 +169,9 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "E. Choroba",
+            "name" : "E. Choroba"
          },
          {
             "id" : "Guillermo Ramos",
@@ -146,17 +184,16 @@
             "name" : "Guillermo Ramos"
          },
          {
+            "name" : "Gustavo Chaves",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Gustavo Chaves",
             "id" : "Gustavo Chaves"
          },
          {
-            "name" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl 5",
@@ -167,9 +204,11 @@
                   2
                ]
             ],
-            "id" : "Jaldhar H. Vyas"
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
          },
          {
+            "name" : "Joelle Maslak",
             "id" : "Joelle Maslak",
             "data" : [
                [
@@ -180,21 +219,19 @@
                   "Perl 6",
                   2
                ]
-            ],
-            "name" : "Joelle Maslak"
+            ]
          },
          {
-            "id" : "Kevin Colyer",
+            "name" : "Kevin Colyer",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "name" : "Kevin Colyer"
+            "id" : "Kevin Colyer"
          },
          {
-            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl 5",
@@ -209,26 +246,27 @@
                   1
                ]
             ],
-            "id" : "Laurent Rosenfeld"
+            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld"
          },
          {
-            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "id" : "Lubos Kolouch"
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
          },
          {
-            "id" : "Maxim Nechaev",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
+            "id" : "Maxim Nechaev",
             "name" : "Maxim Nechaev"
          },
          {
@@ -243,25 +281,27 @@
          },
          {
             "name" : "Ozzy",
+            "id" : "Ozzy",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ],
-            "id" : "Ozzy"
+            ]
          },
          {
+            "name" : "Pete Houston",
             "id" : "Pete Houston",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ],
-            "name" : "Pete Houston"
+            ]
          },
          {
+            "name" : "Ruben Westerberg",
+            "id" : "Ruben Westerberg",
             "data" : [
                [
                   "Perl 5",
@@ -271,11 +311,10 @@
                   "Perl 6",
                   2
                ]
-            ],
-            "name" : "Ruben Westerberg",
-            "id" : "Ruben Westerberg"
+            ]
          },
          {
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Perl 6",
@@ -286,10 +325,10 @@
                   1
                ]
             ],
-            "name" : "Simon Proctor",
-            "id" : "Simon Proctor"
+            "name" : "Simon Proctor"
          },
          {
+            "name" : "Steven Wilson",
             "id" : "Steven Wilson",
             "data" : [
                [
@@ -300,19 +339,12 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Steven Wilson"
+            ]
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "subtitle" : {
-      "text" : "[Champions: 17] Last updated at 2019-06-22 08:55:19 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
+      "text" : "[Champions: 18] Last updated at 2019-06-22 16:17:56 GMT"
    },
    "plotOptions" : {
       "series" : {
@@ -322,18 +354,5 @@
          },
          "borderWidth" : 0
       }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "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/>"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 446fa54e04..735381a922 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,50 +1,23 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2019-06-22 08:55:40 GMT"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions - 2019"
-   },
    "series" : [
       {
          "name" : "Contributions",
          "dataLabels" : {
-            "enabled" : "true",
             "rotation" : -90,
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
             "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "y" : 10,
+            "enabled" : "true",
             "align" : "right",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            }
+            "format" : "{point.y:.0f}",
+            "y" : 10
          },
          "data" : [
             [
                "Blog",
-               113
+               114
             ],
             [
                "Perl 5",
@@ -52,12 +25,39 @@
             ],
             [
                "Perl 6",
-               303
+               305
             ]
          ]
       }
    ],
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions - 2019"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2019-06-22 16:18:27 GMT"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index fa153e04bb..d903c6fc80 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,77 +1,7 @@
 {
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge Languages",
-         "data" : [
-            {
-               "drilldown" : "001",
-               "name" : "#001",
-               "y" : 123
-            },
-            {
-               "name" : "#002",
-               "drilldown" : "002",
-               "y" : 104
-            },
-            {
-               "y" : 66,
-               "name" : "#003",
-               "drilldown" : "003"
-            },
-            {
-               "y" : 84,
-               "name" : "#004",
-               "drilldown" : "004"
-            },
-            {
-               "drilldown" : "005",
-               "name" : "#005",
-               "y" : 66
-            },
-            {
-               "drilldown" : "006",
-               "name" : "#006",
-               "y" : 47
-            },
-            {
-               "y" : 54,
-               "drilldown" : "007",
-               "name" : "#007"
-            },
-            {
-               "drilldown" : "008",
-               "name" : "#008",
-               "y" : 67
-            },
-            {
-               "y" : 62,
-               "name" : "#009",
-               "drilldown" : "009"
-            },
-            {
-               "y" : 58,
-               "drilldown" : "010",
-               "name" : "#010"
-            },
-            {
-               "name" : "#011",
-               "drilldown" : "011",
-               "y" : 75
-            },
-            {
-               "name" : "#012",
-               "drilldown" : "012",
-               "y" : 80
-            },
-            {
-               "drilldown" : "013",
-               "name" : "#013",
-               "y" : 46
-            }
-         ],
-         "colorByPoint" : "true"
-      }
-   ],
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -93,8 +23,8 @@
             "id" : "001"
          },
          {
-            "name" : "002",
             "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl 5",
@@ -111,6 +41,8 @@
             ]
          },
          {
+            "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl 5",
@@ -124,9 +56,7 @@
                   "Blog",
                   8
                ]
-            ],
-            "name" : "003",
-            "id" : "003"
+            ]
          },
          {
             "data" : [
@@ -165,8 +95,6 @@
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          },
          {
-            "id" : "006",
-            "name" : "006",
             "data" : [
                [
                   "Perl 5",
@@ -180,7 +108,9 @@
                   "Blog",
                   6
                ]
-            ]
+            ],
+            "name" : "006",
+            "id" : "006"
          },
          {
             "data" : [
@@ -201,6 +131,8 @@
             "name" : "007"
          },
          {
+            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl 5",
@@ -214,13 +146,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "008",
-            "id" : "008"
+            ]
          },
          {
-            "name" : "009",
-            "id" : "009",
             "data" : [
                [
                   "Perl 5",
@@ -234,7 +162,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "009",
+            "id" : "009"
          },
          {
             "id" : "010",
@@ -269,8 +199,8 @@
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                ]
             ],
-            "id" : "011",
-            "name" : "011"
+            "name" : "011",
+            "id" : "011"
          },
          {
             "data" : [
@@ -287,12 +217,12 @@
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                ]
             ],
-            "id" : "012",
-            "name" : "012"
+            "name" : "012",
+            "id" : "012"
          },
          {
-            "id" : "013",
             "name" : "013",
+            "id" : "013",
             "data" : [
                [
                   "Perl 5",
@@ -300,33 +230,94 @@
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                [
                   "Perl 6",
-                  14
+                  16
                ],
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                   "Blog",
-                  6
+                  7
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          }
       ]
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
    "tooltip" : {
+      "followPointer" : "true",
       "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : "true"
-   },
-   "chart" : {
-      "type" : "column"
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
    },
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge Languages",
+         "colorByPoint" : "true",
+         "data" : [
+            {
+               "drilldown" : "001",
+               "name" : "#001",
+               "y" : 123
+            },
+            {
+               "y" : 104,
+               "drilldown" : "002",
+               "name" : "#002"
+            },
+            {
+               "y" : 66,
+               "name" : "#003",
+               "drilldown" : "003"
+            },
+            {
+               "y" : 84,
+               "name" : "#004",
+               "drilldown" : "004"
+            },
+            {
+               "y" : 66,
+               "drilldown" : "005",
+               "name" : "#005"
+            },
+            {
+               "name" : "#006",
+               "drilldown" : "006",
+               "y" : 47
+            },
+            {
+               "y" : 54,
+               "name" : "#007",
+               "drilldown" : "007"
+            },
+            {
+               "name" : "#008",
+               "drilldown" : "008",
+               "y" : 67
+            },
+            {
+               "y" : 62,
+               "drilldown" : "009",
+               "name" : "#009"
+            },
+            {
+               "name" : "#010",
+               "drilldown" : "010",
+               "y" : 58
+            },
+            {
+               "y" : 75,
+               "drilldown" : "011",
+               "name" : "#011"
+            },
+            {
+               "drilldown" : "012",
+               "name" : "#012",
+               "y" : 80
+            },
+            {
+               "name" : "#013",
+               "drilldown" : "013",
+               "y" : 49
+            }
+         ]
+      }
+   ],
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
@@ -335,13 +326,22 @@
    "legend" : {
       "enabled" : "false"
    },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
    "xAxis" : {
       "type" : "category"
    },
-   "subtitle" : {
-      "text" : "Click the