- Added solutions by Arne Sommer.

15 files changed, 977 insertions, 783 deletions

diff --git a/challenge-017/arne-sommer/blog.txt b/challenge-017/arne-sommer/blog.txt
new file mode 100644
index 0000000000..3cdd966ed5
--- /dev/null
+++ b/challenge-017/arne-sommer/blog.txt
@@ -0,0 +1 @@
+https://perl6.eu/ackerman-url.html
diff --git a/challenge-017/arne-sommer/perl6/ackermann-cached b/challenge-017/arne-sommer/perl6/ackermann-cached
new file mode 100755
index 0000000000..6f59c82609
--- /dev/null
+++ b/challenge-017/arne-sommer/perl6/ackermann-cached
@@ -0,0 +1,30 @@
+#! /usr/bin/env perl6
+
+subset PositiveInt of Int where * > 0;
+subset PositiveIntZero of Int where * >= 0;
+
+sub MAIN(PositiveIntZero \m, PositiveIntZero \n)
+{
+  say A(m, n);
+}
+my %cache;
+
+sub A(PositiveIntZero \m, PositiveIntZero \n)
+{
+  unless %cache{m}{n}.defined
+  {
+    if m == 0
+    {
+      %cache{m}{n} = n + 1;
+    }
+    elsif n == 0
+    {
+      %cache{m}{n} = A(m - 1, 1);
+    }
+    else
+    {
+      %cache{m}{n} = A(m - 1, A(m, n - 1));
+    }
+  }
+  return %cache{m}{n};
+}
diff --git a/challenge-017/arne-sommer/perl6/ackermann2 b/challenge-017/arne-sommer/perl6/ackermann2
new file mode 100755
index 0000000000..98286c26f9
--- /dev/null
+++ b/challenge-017/arne-sommer/perl6/ackermann2
@@ -0,0 +1,24 @@
+#! /usr/bin/env perl6
+
+subset PositiveInt of Int where * > 0;
+subset PositiveIntZero of Int where * >= 0;
+
+sub MAIN(PositiveIntZero \m, PositiveIntZero \n)
+{
+  say A(m, n);
+}
+
+multi A(0, PositiveIntZero \n)
+{
+  return n + 1;
+}
+
+multi A(PositiveInt \m, 0)
+{
+  return A(m - 1, 1);
+}
+
+multi A(PositiveInt \m, PositiveInt \n)
+{
+  return  A(m - 1, A(m, n - 1));
+}
diff --git a/challenge-017/arne-sommer/perl6/ch-1.p6 b/challenge-017/arne-sommer/perl6/ch-1.p6
new file mode 100755
index 0000000000..e5f3268e3a
--- /dev/null
+++ b/challenge-017/arne-sommer/perl6/ch-1.p6
@@ -0,0 +1,23 @@
+#! /usr/bin/env perl6
+
+subset PositiveIntZero of Int where * >= 0;
+
+sub MAIN(PositiveIntZero \m, PositiveIntZero \n)
+{
+  say A(m, n);
+}
+
+multi A(PositiveIntZero \m where m == 0, PositiveIntZero \n)
+{
+  return n + 1;
+}
+
+multi A(PositiveIntZero \m where m > 0, PositiveIntZero \n where n == 0)
+{
+  return A(m - 1, 1);
+}
+
+multi A(PositiveIntZero \m where m > 0, PositiveIntZero \n where n > 0)
+{
+  return  A(m - 1, A(m, n - 1));
+}
diff --git a/challenge-017/arne-sommer/perl6/ch-2.p6 b/challenge-017/arne-sommer/perl6/ch-2.p6
new file mode 100755
index 0000000000..888e3771b5
--- /dev/null
+++ b/challenge-017/arne-sommer/perl6/ch-2.p6
@@ -0,0 +1,52 @@
+#! /usr/bin/env perl6
+
+sub MAIN ($url, :$verbose)
+{
+  if $url ~~
+    /^
+      (<[a..z]><[a..z 0..9 + . : \-]>*)\: # $0 scheme
+      [\/\/                               # //
+        [(.*[\:.+]?)\@]?                  # $1 userinfo (optional)
+        (<[\w \. \-]>*)                   # $2 host
+        [\:(\d+)]?                        # $3 port (optional)
+	(\/?)                             # $4 path separator
+      ]?                                  # $1-$4 are optional
+      ([<[\w \d -] - [#?]>]+)?            # $5 path (optional)
+      [\?(<[\w \d \- =]>*)]?              # $6 query (optional) 
+      [\#(.*)]?                           # $7 fragment (optional)
+    $/
+  {
+
+    say $/ if $verbose;
+
+    say "scheme:   $0";
+    say "userinfo: $1" if $1;
+    say "host:     $2" if $2;
+    say "port:     $3" if $3;
+
+    my $path = $4 if $4; $path ~= $5 if $5;
+
+    say "path:     $path";
+    say "query:    $6" if $6;
+    say "fragment: $7" if $7;
+  }
+  else
+  {
+    say "Invalid URL.";
+  }
+}
+
+
+#    Create a script to parse URL and print the components of URL. According to Wiki page, the URL syntax is as below:
+#
+#        scheme:[//[userinfo@]host[:port]]path[?query][#fragment]
+#
+#    For example: jdbc:mysql://user:password@localhost:3306/pwc?profile=true#h1
+#
+#          scheme:   jdbc:mysql
+#          userinfo: user:password
+#          host:     localhost
+#          port:     3306
+#          path:     /pwc
+#          query:    profile=true
+#          fragment: h1
diff --git a/challenge-017/arne-sommer/perl6/url-parse-grammar b/challenge-017/arne-sommer/perl6/url-parse-grammar
new file mode 100755
index 0000000000..5e502c06dc
--- /dev/null
+++ b/challenge-017/arne-sommer/perl6/url-parse-grammar
@@ -0,0 +1,45 @@
+#! /usr/bin/env perl6
+
+grammar URL
+{
+  regex TOP       { <SchemeW> <Hostinfo>? <Path>? <QueryW>? <FragmentW>? }
+  regex SchemeW   { <Scheme> <SchemeS> }
+  regex SchemeS   { ':' }
+  regex Scheme    { <[a..z]><[a..z 0..9 + . : \-]>* }
+  regex Hostinfo  { '//' <UserinfoW>? <Host> <PortW>? }
+  regex UserinfoW { <Userinfo> <UserinfoS> }
+  regex Userinfo  { .*[\:.+]? }
+  regex UserinfoS { '@' }
+  regex Host      { <[\w \. \-]>* }
+  regex PortW     { <PortS> <Port> }
+  regex PortS     { ':' }
+  regex Port      { \d+ }
+  regex Path      { '/'? <[\w \d -] - [#?]>+ }
+  regex QueryW    { <QueryS> <Query> }
+  regex QueryS    { '?'  }
+  regex Query     { <[\w \d \- =]>* }
+  regex FragmentW { <FragmentS> <Fragment> }
+  regex FragmentS { '#' }
+  regex Fragment  { .+ }
+}
+  
+sub MAIN ($url, :$verbose)
+{
+  my $result = URL.parse($url);
+
+  if $result
+  {
+    say $result if $verbose;
+    say "scheme:   $/<SchemeW><Scheme>";
+    say "userinfo: $/<Hostinfo><UserinfoW><Userinfo>" if $/<Hostinfo><UserinfoW><Userinfo>;
+    say "host:     $/<Hostinfo><Host>" if $/<Hostinfo><Host>;
+    say "port:     $/<Hostinfo><PortW><Port>" if $/<Hostinfo><PortW><Port>;
+    say "path:     $/<Path>" if  $/<Path>;
+    say "query:    $/<QueryW><Query>" if $/<QueryW><Query>;
+    say "fragment: $/<FragmentW><Fragment>" if $/<FragmentW><Fragment>;
+  }
+  else
+  {
+    say "Invalid URL.";
+  }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 3661e109e8..e84f9034f0 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -2,162 +2,6 @@
    "legend" : {
       "enabled" : 0
    },
-   "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/>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 24] Last updated at 2019-07-21 19:29:58 GMT"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 017"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "name" : "Adam Russell",
-               "y" : 4,
-               "drilldown" : "Adam Russell"
-            },
-            {
-               "name" : "Andrezgz",
-               "drilldown" : "Andrezgz",
-               "y" : 2
-            },
-            {
-               "name" : "Athanasius",
-               "y" : 4,
-               "drilldown" : "Athanasius"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Daniel Mantovani",
-               "name" : "Daniel Mantovani"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "y" : 3,
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "name" : "Duane Powell",
-               "y" : 2,
-               "drilldown" : "Duane Powell"
-            },
-            {
-               "name" : "E. Choroba",
-               "y" : 3,
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "name" : "Feng Chang",
-               "y" : 4,
-               "drilldown" : "Feng Chang"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Francis Whittle",
-               "name" : "Francis Whittle"
-            },
-            {
-               "name" : "Joelle Maslak",
-               "drilldown" : "Joelle Maslak",
-               "y" : 5
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Kevin Colyer",
-               "name" : "Kevin Colyer"
-            },
-            {
-               "name" : "Kian-Meng Ang",
-               "y" : 2,
-               "drilldown" : "Kian-Meng Ang"
-            },
-            {
-               "y" : 5,
-               "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld"
-            },
-            {
-               "name" : "Lubos Kolouch",
-               "y" : 2,
-               "drilldown" : "Lubos Kolouch"
-            },
-            {
-               "drilldown" : "Michael Hamlin",
-               "y" : 1,
-               "name" : "Michael Hamlin"
-            },
-            {
-               "drilldown" : "Noud",
-               "y" : 2,
-               "name" : "Noud"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Ozzy",
-               "name" : "Ozzy"
-            },
-            {
-               "name" : "Randy Lauen",
-               "y" : 1,
-               "drilldown" : "Randy Lauen"
-            },
-            {
-               "name" : "Roger Bell West",
-               "drilldown" : "Roger Bell West",
-               "y" : 2
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Ruben Westerberg",
-               "name" : "Ruben Westerberg"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson"
-            },
-            {
-               "name" : "Veesh Goldman",
-               "y" : 4,
-               "drilldown" : "Veesh Goldman"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Yozen Hernandez",
-               "name" : "Yozen Hernandez"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 017"
-      }
-   ],
    "drilldown" : {
       "series" : [
          {
@@ -175,18 +19,31 @@
             ]
          },
          {
+            "id" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Andrezgz",
-            "id" : "Andrezgz"
+            "name" : "Andrezgz"
+         },
+         {
+            "name" : "Arne Sommer",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer"
          },
          {
             "id" : "Athanasius",
-            "name" : "Athanasius",
             "data" : [
                [
                   "Perl 5",
@@ -196,16 +53,17 @@
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Athanasius"
          },
          {
+            "name" : "Daniel Mantovani",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Daniel Mantovani",
             "id" : "Daniel Mantovani"
          },
          {
@@ -223,14 +81,14 @@
             ]
          },
          {
+            "name" : "Duane Powell",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "id" : "Duane Powell",
-            "name" : "Duane Powell"
+            "id" : "Duane Powell"
          },
          {
             "data" : [
@@ -247,8 +105,6 @@
             "id" : "E. Choroba"
          },
          {
-            "name" : "Feng Chang",
-            "id" : "Feng Chang",
             "data" : [
                [
                   "Perl 5",
@@ -258,11 +114,11 @@
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Feng Chang",
+            "id" : "Feng Chang"
          },
          {
-            "name" : "Francis Whittle",
-            "id" : "Francis Whittle",
             "data" : [
                [
                   "Perl 6",
@@ -272,11 +128,12 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Francis Whittle",
+            "id" : "Francis Whittle"
          },
          {
             "name" : "Joelle Maslak",
-            "id" : "Joelle Maslak",
             "data" : [
                [
                   "Perl 5",
@@ -286,29 +143,31 @@
                   "Perl 6",
                   3
                ]
-            ]
+            ],
+            "id" : "Joelle Maslak"
          },
          {
-            "name" : "Kevin Colyer",
             "id" : "Kevin Colyer",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Kevin Colyer"
          },
          {
-            "id" : "Kian-Meng Ang",
             "name" : "Kian-Meng Ang",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Kian-Meng Ang"
          },
          {
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl 5",
@@ -323,18 +182,17 @@
                   1
                ]
             ],
-            "id" : "Laurent Rosenfeld",
-            "name" : "Laurent Rosenfeld"
+            "id" : "Laurent Rosenfeld"
          },
          {
+            "id" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Lubos Kolouch",
-            "id" : "Lubos Kolouch"
+            "name" : "Lubos Kolouch"
          },
          {
             "data" : [
@@ -343,8 +201,8 @@
                   1
                ]
             ],
-            "id" : "Michael Hamlin",
-            "name" : "Michael Hamlin"
+            "name" : "Michael Hamlin",
+            "id" : "Michael Hamlin"
          },
          {
             "data" : [
@@ -353,22 +211,22 @@
                   2
                ]
             ],
-            "id" : "Noud",
-            "name" : "Noud"
+            "name" : "Noud",
+            "id" : "Noud"
          },
          {
+            "name" : "Ozzy",
             "data" : [
                [
                   "Perl 6",
                   1
                ]
             ],
-            "id" : "Ozzy",
-            "name" : "Ozzy"
+            "id" : "Ozzy"
          },
          {
-            "name" : "Randy Lauen",
             "id" : "Randy Lauen",
+            "name" : "Randy Lauen",
             "data" : [
                [
                   "Perl 6",
@@ -377,8 +235,8 @@
             ]
          },
          {
-            "name" : "Roger Bell West",
             "id" : "Roger Bell West",
+            "name" : "Roger Bell West",
             "data" : [
                [
                   "Perl 5",
@@ -387,6 +245,8 @@
             ]
          },
          {
+            "id" : "Ruben Westerberg",
+            "name" : "Ruben Westerberg",
             "data" : [
                [
                   "Perl 5",
@@ -396,29 +256,27 @@
                   "Perl 6",
                   2
                ]
-            ],
-            "name" : "Ruben Westerberg",
-            "id" : "Ruben Westerberg"
+            ]
          },
          {
+            "id" : "Simon Proctor",
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Perl 6",
                   1
                ]
-            ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            ]
          },
          {
+            "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Steven Wilson",
-            "id" : "Steven Wilson"
+            "name" : "Steven Wilson"
          },
          {
             "data" : [
@@ -439,8 +297,6 @@
             "id" : "Veesh Goldman"
          },
          {
-            "id" : "Yozen Hernandez",
-            "name" : "Yozen Hernandez",
             "data" : [
                [
                   "Perl 5",
@@ -450,11 +306,174 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Yozen Hernandez",
+            "id" : "Yozen Hernandez"
          }
       ]
    },
+   "subtitle" : {
+      "text" : "[Champions: 25] Last updated at 2019-07-21 21:22:24 GMT"
+   },
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "name" : "Adam Russell",
+               "y" : 4,
+               "drilldown" : "Adam Russell"
+            },
+            {
+               "drilldown" : "Andrezgz",
+               "y" : 2,
+               "name" : "Andrezgz"
+            },
+            {
+               "name" : "Arne Sommer",
+               "y" : 3,
+               "drilldown" : "Arne Sommer"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius"
+            },
+            {
+               "drilldown" : "Daniel Mantovani",
+               "y" : 2,
+               "name" : "Daniel Mantovani"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 3,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "Duane Powell",
+               "y" : 2,
+               "name" : "Duane Powell"
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 3
+            },
+            {
+               "name" : "Feng Chang",
+               "y" : 4,
+               "drilldown" : "Feng Chang"
+            },
+            {
+               "name" : "Francis Whittle",
+               "drilldown" : "Francis Whittle",
+               "y" : 3
+            },
+            {
+               "name" : "Joelle Maslak",
+               "y" : 5,
+               "drilldown" : "Joelle Maslak"
+            },
+            {
+               "drilldown" : "Kevin Colyer",
+               "y" : 2,
+               "name" : "Kevin Colyer"
+            },
+            {
+               "name" : "Kian-Meng Ang",
+               "y" : 2,
+               "drilldown" : "Kian-Meng Ang"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "name" : "Michael Hamlin",
+               "drilldown" : "Michael Hamlin",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Noud",
+               "y" : 2,
+               "name" : "Noud"
+            },
+            {
+               "name" : "Ozzy",
+               "y" : 1,
+               "drilldown" : "Ozzy"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Randy Lauen",
+               "name" : "Randy Lauen"
+            },
+            {
+               "name" : "Roger Bell West",
+               "drilldown" : "Roger Bell West",
+               "y" : 2
+            },
+            {
+               "name" : "Ruben Westerberg",
+               "y" : 4,
+               "drilldown" : "Ruben Westerberg"
+            },
+            {
+               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor",
+               "y" : 1
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Steven Wilson",
+               "name" : "Steven Wilson"
+            },
+            {
+               "name" : "Veesh Goldman",
+               "drilldown" : "Veesh Goldman",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Yozen Hernandez",
+               "y" : 4,
+               "name" : "Yozen Hernandez"
+            }
+         ],
+         "name" : "Perl Weekly Challenge - 017"
+      }
+   ],
+   "title" : {
+      "text" : "Perl Weekly Challenge - 017"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "xAxis" : {
       "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 62123e7b54..6745fa901d 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,19 +1,38 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "chart" : {
       "type" : "column"
    },
    "series" : [
       {
+         "dataLabels" : {
+            "enabled" : "true",
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "rotation" : -90,
+            "y" : 10,
+            "color" : "#FFFFFF"
+         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               161
+               162
             ],
             [
                "Perl 5",
@@ -21,43 +40,24 @@
             ],
             [
                "Perl 6",
-               407
+               409
             ]
-         ],
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "y" : 10,
-            "enabled" : "true",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "rotation" : -90
-         },
-         "name" : "Contributions"
+         ]
       }
    ],
    "subtitle" : {
-      "text" : "Last updated at 2019-07-21 19:30:19 GMT"
+      "text" : "Last updated at 2019-07-21 21:22:53 GMT"
    },
    "xAxis" : {
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       }
    },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions - 2019"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 3025070040..d4c81fd92b 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,132 +1,14 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
    "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2019-07-21 19:30:19 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2019-07-21 21:22:53 GMT"
    },
    "title" : {
       "text" : "Perl Weekly Challenge Language"
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge Languages",
-         "data" : [
-            {
-               "drilldown" : "001",
-               "name" : "#001",
-               "y" : 123
-            },
-            {
-               "drilldown" : "002",
-               "y" : 104,
-               "name" : "#002"
-            },
-            {
-               "drilldown" : "003",
-               "name" : "#003",
-               "y" : 66
-            },
-            {
-               "drilldown" : "004",
-               "name" : "#004",
-               "y" : 84
-            },
-            {
-               "y" : 66,
-               "name" : "#005",
-               "drilldown" : "005"
-            },
-            {
-               "y" : 47,
-               "name" : "#006",
-               "drilldown" : "006"
-            },
-            {
-               "y" : 54,
-               "name" : "#007",
-               "drilldown" : "007"
-            },
-            {
-               "drilldown" : "008",
-               "name" : "#008",
-               "y" : 67
-            },
-            {
-               "drilldown" : "009",
-               "name" : "#009",
-               "y" : 65
-            },
-            {
-               "y" : 58,
-               "name" : "#010",
-               "drilldown" : "010"
-            },
-            {
-               "drilldown" : "011",
-               "name" : "#011",
-               "y" : 77
-            },
-            {
-               "y" : 81,
-               "name" : "#012",
-               "drilldown" : "012"
-            },
-            {
-               "drilldown" : "013",
-               "y" : 74,
-               "name" : "#013"
-            },
-            {
-               "drilldown" : "014",
-               "y" : 94,
-               "name" : "#014"
-            },
-            {
-               "y" : 90,
-               "name" : "#015",
-               "drilldown" : "015"
-            },
-            {
-               "drilldown" : "016",
-               "name" : "#016",
-               "y" : 64
-            },
-            {
-               "drilldown" : "017",
-               "y" : 65,
-               "name" : "#017"
-            }
-         ],
-         "colorByPoint" : "true"
-      }
-   ],
-   "legend" : {
-      "enabled" : "false"
-   },
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true"
-   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
+            "name" : "001",
             "data" : [
                [