- Added solutions by Arne Sommer.

22 files changed, 1437 insertions, 1018 deletions

diff --git a/challenge-064/arne-sommer/blog.txt b/challenge-064/arne-sommer/blog.txt
new file mode 100644
index 0000000000..76e55cad56
--- /dev/null
+++ b/challenge-064/arne-sommer/blog.txt
@@ -0,0 +1 @@
+https://raku-musings.com/minimum-break.html
diff --git a/challenge-064/arne-sommer/raku/ch-1.p6 b/challenge-064/arne-sommer/raku/ch-1.p6
new file mode 100755
index 0000000000..e8d9e70f1d
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/ch-1.p6
@@ -0,0 +1,72 @@
+#! /usr/bin/env raku
+
+multi MAIN (:$verbose)
+{
+  MAIN(lines().join, :$verbose);
+}
+
+multi MAIN ($file where $file.IO.e, :$verbose)
+{
+  MAIN($file.IO.lines().join, :$verbose);
+}
+
+multi MAIN (Str $string is copy where ! $string.IO.e, :$verbose)
+{
+  subset PositiveIntZero of Int where * >= 0;
+  
+  my @matrix;
+
+  while $string ~~ /"[" (.*?) "]" (.*)/
+  {
+    $string = $1.Str.trim;
+
+    say ":: Row: $0" if $verbose;
+
+    my @values = $0.words>>.Int;
+    die "Illegal value in row $0" unless all(@values) ~~ PositiveIntZero;
+
+    @matrix.push: @values;
+  }
+
+  my @path = (); 
+  my $best = Inf;
+  my $last_row = @matrix.elems - 1;
+  my $last_col = @matrix[0].elems -1;
+
+  die "Not the same length on the rows" unless [==] @matrix>>.elems;
+
+  traverse((@matrix[0;0],), 0, 0);
+
+  for @path -> @current
+  {
+    say "$best ( { @current.join(" → ") } )";
+  }
+
+  sub traverse (@my-path, $x, $y)
+  {
+    if $x == $last_row && $y == $last_col
+    {
+      my $sum = @my-path.sum;
+      say ":: At the end with sum $sum and path: @my-path[]" if $verbose;
+      ( $best = $sum; @path = () ) if $sum < $best;
+      @path.push: @my-path if $sum == $best;
+      return;
+    }
+
+    say ":: Currently at pos: [$x,$y] with path: @my-path[]" if $verbose;
+  
+    if $x < $last_row
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x+1;$y];
+      traverse(@new-path, $x+1, $y);
+    }
+    if $y < $last_col
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x;$y+1];
+      traverse(@new-path, $x, $y+1);
+    }
+  }
+
+}
diff --git a/challenge-064/arne-sommer/raku/ch-2.p6 b/challenge-064/arne-sommer/raku/ch-2.p6
new file mode 100755
index 0000000000..67309e3c6a
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/ch-2.p6
@@ -0,0 +1,17 @@
+#! /usr/bin/env raku
+
+sub MAIN ($string, *@words where @words.elems > 0, :$verbose)
+{
+  my $match = 0;
+  for @words.permutations -> @candidate
+  {
+    my $wordlist = @candidate.map({ "\"$_\"" }).join(", ");
+    say ": $wordlist" if $verbose;
+    if @candidate.join eq $string
+    {
+      say $wordlist;
+      $match++;
+    }
+  }
+  say "0" unless $match;
+}
diff --git a/challenge-064/arne-sommer/raku/matrix-3x3.txt b/challenge-064/arne-sommer/raku/matrix-3x3.txt
new file mode 100755
index 0000000000..6c7666be82
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/matrix-3x3.txt
@@ -0,0 +1,3 @@
+[ 1 2 3 ]
+[ 4 5 6 ]
+[ 7 8 9 ]
diff --git a/challenge-064/arne-sommer/raku/matrix-zero.txt b/challenge-064/arne-sommer/raku/matrix-zero.txt
new file mode 100755
index 0000000000..e5a12a9a6d
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/matrix-zero.txt
@@ -0,0 +1,6 @@
+[ 0 0 0 0 0 ]
+[ 0 0 0 0 0 ]
+[ 0 0 0 0 0 ]
+[ 0 0 0 0 0 ]
+[ 0 0 0 0 0 ]
+[ 0 0 0 0 0 ]
diff --git a/challenge-064/arne-sommer/raku/misupa b/challenge-064/arne-sommer/raku/misupa
new file mode 100755
index 0000000000..e8d9e70f1d
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/misupa
@@ -0,0 +1,72 @@
+#! /usr/bin/env raku
+
+multi MAIN (:$verbose)
+{
+  MAIN(lines().join, :$verbose);
+}
+
+multi MAIN ($file where $file.IO.e, :$verbose)
+{
+  MAIN($file.IO.lines().join, :$verbose);
+}
+
+multi MAIN (Str $string is copy where ! $string.IO.e, :$verbose)
+{
+  subset PositiveIntZero of Int where * >= 0;
+  
+  my @matrix;
+
+  while $string ~~ /"[" (.*?) "]" (.*)/
+  {
+    $string = $1.Str.trim;
+
+    say ":: Row: $0" if $verbose;
+
+    my @values = $0.words>>.Int;
+    die "Illegal value in row $0" unless all(@values) ~~ PositiveIntZero;
+
+    @matrix.push: @values;
+  }
+
+  my @path = (); 
+  my $best = Inf;
+  my $last_row = @matrix.elems - 1;
+  my $last_col = @matrix[0].elems -1;
+
+  die "Not the same length on the rows" unless [==] @matrix>>.elems;
+
+  traverse((@matrix[0;0],), 0, 0);
+
+  for @path -> @current
+  {
+    say "$best ( { @current.join(" → ") } )";
+  }
+
+  sub traverse (@my-path, $x, $y)
+  {
+    if $x == $last_row && $y == $last_col
+    {
+      my $sum = @my-path.sum;
+      say ":: At the end with sum $sum and path: @my-path[]" if $verbose;
+      ( $best = $sum; @path = () ) if $sum < $best;
+      @path.push: @my-path if $sum == $best;
+      return;
+    }
+
+    say ":: Currently at pos: [$x,$y] with path: @my-path[]" if $verbose;
+  
+    if $x < $last_row
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x+1;$y];
+      traverse(@new-path, $x+1, $y);
+    }
+    if $y < $last_col
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x;$y+1];
+      traverse(@new-path, $x, $y+1);
+    }
+  }
+
+}
diff --git a/challenge-064/arne-sommer/raku/misupa-direction b/challenge-064/arne-sommer/raku/misupa-direction
new file mode 100755
index 0000000000..25dc785e00
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/misupa-direction
@@ -0,0 +1,83 @@
+#! /usr/bin/env raku
+
+multi MAIN (:$verbose, :$arrows)
+{
+  MAIN(lines().join, :$verbose, :$arrows);
+}
+
+multi MAIN ($file where $file.IO.e, :$verbose, :$arrows)
+{
+  MAIN($file.IO.lines().join, :$verbose, :$arrows);
+}
+
+multi MAIN (Str $string is copy where ! $string.IO.e, :$verbose, :$arrows)
+{
+  subset PositiveIntZero of Int where * >= 0;
+  
+  my @matrix;
+
+  while $string ~~ /"[" (.*?) "]" (.*)/
+  {
+    $string = $1.Str.trim;
+
+    say ":: Row: $0" if $verbose;
+
+    my @values = $0.words>>.Int;
+    die "Illegal value in row $0" unless all(@values) ~~ PositiveIntZero;
+
+    @matrix.push: @values;
+  }
+
+  my @path     = ();
+  my @arrows   = ();
+  my $best     = Inf;
+  my $last_row = @matrix.elems - 1;
+  my $last_col = @matrix[0].elems -1;
+
+  die "Not the same length on the rows" unless [==] @matrix>>.elems;
+
+  traverse((@matrix[0;0],), 0, 0, "");
+  
+  if $arrows
+  {
+    for ^@path -> $index
+    {
+      say "$best ({ (roundrobin @(@path[$index]), @arrows[$index].comb).flat })";
+    }
+
+  }
+  else
+  {
+    for @path -> @current
+    {
+      say "$best ( { @current.join(" → ") } )";
+    }
+  }
+  
+  sub traverse (@my-path, $x, $y, $arrows)
+  {
+    if $x == $last_row && $y == $last_col
+    {
+      my $sum = @my-path.sum;
+      say ":: At the end with sum $sum and path: @my-path[]" if $verbose;
+      ( $best = $sum; @path = (); @arrows = () ) if $sum < $best;
+      ( @path.push: @my-path; @arrows.push: $arrows) if $sum == $best;
+      return;
+    }
+
+    say ":: Currently at pos: [$x,$y] with path: @my-path[]" if $verbose;
+  
+    if $x < $last_row
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x+1;$y];
+      traverse(@new-path, $x+1, $y, $arrows ~  "↓");
+    }
+    if $y < $last_col
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x;$y+1];
+      traverse(@new-path, $x, $y+1, $arrows ~ "→");
+    }
+  }
+}
diff --git a/challenge-064/arne-sommer/raku/misupa-random b/challenge-064/arne-sommer/raku/misupa-random
new file mode 100755
index 0000000000..c498a88ba1
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/misupa-random
@@ -0,0 +1,93 @@
+#! /usr/bin/env raku
+
+multi MAIN ("random", :$verbose, :$arrows, :$cols = 3, :$rows = 3, :$low = 0, :$high = 9)
+{
+  my $matrix;
+  $matrix ~= "[ { ($low .. $high).pick($cols).join(" ") } ]" for ^$rows;
+
+  say "Matrix: $matrix";
+
+  MAIN($matrix, :$verbose, :$arrows);
+}
+
+multi MAIN (:$verbose, :$arrows)
+{
+  MAIN(lines().join, :$verbose, :$arrows);
+}
+
+multi MAIN ($file where $file.IO.e, :$verbose, :$arrows)
+{
+  MAIN($file.IO.lines().join, :$verbose, :$arrows);
+}
+
+multi MAIN (Str $string is copy where ! $string.IO.e, :$verbose, :$arrows)
+{
+  subset PositiveIntZero of Int where * >= 0;
+  
+  my @matrix;
+
+  while $string ~~ /"[" (.*?) "]" (.*)/
+  {
+    $string = $1.Str.trim;
+
+    say ":: Row: $0" if $verbose;
+
+    my @values = $0.words>>.Int;
+    die "Illegal value in row $0" unless all(@values) ~~ PositiveIntZero;
+
+    @matrix.push: @values;
+  }
+
+  my @path     = ();
+  my @arrows   = ();
+  my $best     = Inf;
+  my $last_row = @matrix.elems - 1;
+  my $last_col = @matrix[0].elems -1;
+
+  die "Not the same length on the rows" unless [==] @matrix>>.elems;
+
+  traverse((@matrix[0;0],), 0, 0, "");
+  
+  if $arrows
+  {
+    for ^@path -> $index
+    {
+      say "$best ({ (roundrobin @(@path[$index]), @arrows[$index].comb).flat })";
+    }
+
+  }
+  else
+  {
+    for @path -> @current
+    {
+      say "$best ( { @current.join(" → ") } )";
+    }
+  }
+  
+  sub traverse (@my-path, $x, $y, $arrows)
+  {
+    if $x == $last_row && $y == $last_col
+    {
+      my $sum = @my-path.sum;
+      say ":: At the end with sum $sum and path: @my-path[]" if $verbose;
+      ( $best = $sum; @path = (); @arrows = () ) if $sum < $best;
+      ( @path.push: @my-path; @arrows.push: $arrows) if $sum == $best;
+      return;
+    }
+
+    say ":: Currently at pos: [$x,$y] with path: @my-path[]" if $verbose;
+  
+    if $x < $last_row
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x+1;$y];
+      traverse(@new-path, $x+1, $y, $arrows ~  "↓");
+    }
+    if $y < $last_col
+    {
+      my @new-path = @my-path;
+      @new-path.push: @matrix[$x;$y+1];
+      traverse(@new-path, $x, $y+1, $arrows ~ "→");
+    }
+  }
+}
diff --git a/challenge-064/arne-sommer/raku/word-break b/challenge-064/arne-sommer/raku/word-break
new file mode 100755
index 0000000000..67309e3c6a
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/word-break
@@ -0,0 +1,17 @@
+#! /usr/bin/env raku
+
+sub MAIN ($string, *@words where @words.elems > 0, :$verbose)
+{
+  my $match = 0;
+  for @words.permutations -> @candidate
+  {
+    my $wordlist = @candidate.map({ "\"$_\"" }).join(", ");
+    say ": $wordlist" if $verbose;
+    if @candidate.join eq $string
+    {
+      say $wordlist;
+      $match++;
+    }
+  }
+  say "0" unless $match;
+}
diff --git a/challenge-064/arne-sommer/raku/word-break-short b/challenge-064/arne-sommer/raku/word-break-short
new file mode 100755
index 0000000000..9ffd12f0df
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/word-break-short
@@ -0,0 +1,9 @@
+#! /usr/bin/env raku
+
+sub MAIN ($string, *@words where @words.elems > 0)
+{
+  for @words.permutations -> @candidate
+  {
+    say @candidate.map({ "\"$_\"" }).join(", ") if @candidate.join eq $string;
+  }
+}
diff --git a/challenge-064/arne-sommer/raku/word-break-turbo b/challenge-064/arne-sommer/raku/word-break-turbo
new file mode 100755
index 0000000000..c07b015ce9
--- /dev/null
+++ b/challenge-064/arne-sommer/raku/word-break-turbo
@@ -0,0 +1,27 @@
+#! /usr/bin/env raku
+
+sub MAIN ($string, *@words where @words.elems > 0, :$verbose)
+{
+  my $string-length = $string.chars;
+  my $shortest-word = @words>>.chars.min;
+
+  say ": SL: $string-length SW: $shortest-word" if $verbose;
+
+  my @words2 = (@words xx $string-length div $shortest-word).flat.sort({ $^a.chars <=> $^b.chars || $^a cmp $^b });
+
+  say ": Words: @words2[]" if $verbose;
+
+  my $match = 0;
+  for @words2.combinations(1..3).unique(:with(&[eqv])).map({ .elems > 1 ?? | .permutations !! $_ }).unique(:with(&[eqv])) -> @candidate
+  {
+    my $wordlist = @candidate.map({ "\"$_\"" }).join(", ");
+
+    say ": Candidate: $wordlist" if $verbose;
+    if @candidate.join eq $string
+    {
+      say $wordlist;
+      $match++;
+    }
+  }
+  say "0" unless $match;
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 26e944b9e6..ebecba703f 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,87 +1,59 @@
 {
-   "title" : {
-      "text" : "Perl Weekly Challenge - 064"
-   },
-   "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/>"
-   },
    "xAxis" : {
       "type" : "category"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2020-06-13 21:58:45 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 064",
          "data" : [
             {
+               "name" : "Arne Sommer",
                "y" : 3,
+               "drilldown" : "Arne Sommer"
+            },
+            {
                "name" : "Bartosz Jarzyna",
+               "y" : 3,
                "drilldown" : "Bartosz Jarzyna"
             },
             {
-               "name" : "Cheok-Yin Fung",
+               "drilldown" : "Cheok-Yin Fung",
                "y" : 2,
-               "drilldown" : "Cheok-Yin Fung"
+               "name" : "Cheok-Yin Fung"
             },
             {
-               "name" : "Colin Crain",
                "y" : 1,
-               "drilldown" : "Colin Crain"
+               "drilldown" : "Colin Crain",
+               "name" : "Colin Crain"
             },
             {
+               "y" : 3,
                "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby",
-               "y" : 3
+               "name" : "Dave Jacoby"
             },
             {
                "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba"
             },
             {
+               "y" : 5,
                "drilldown" : "Javier Luque",
-               "name" : "Javier Luque",
-               "y" : 5
+               "name" : "Javier Luque"
             },
             {
+               "y" : 2,
                "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey",
-               "y" : 2
+               "name" : "Jorg Sommrey"
             },
             {
-               "drilldown" : "Leo Manfredi",
                "name" : "Leo Manfredi",
-               "y" : 1
+               "y" : 1,
+               "drilldown" : "Leo Manfredi"
             },
             {
                "name" : "Luca Ferrari",
-               "y" : 4,
-               "drilldown" : "Luca Ferrari"
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
             },
             {
                "name" : "Mark Anderson",
@@ -90,50 +62,76 @@
             },
             {
                "y" : 4,
-               "name" : "Mohammad S Anwar",
-               "drilldown" : "Mohammad S Anwar"
+               "drilldown" : "Mohammad S Anwar",
+               "name" : "Mohammad S Anwar"
             },
             {
-               "name" : "Niels van Dijke",
                "y" : 2,
-               "drilldown" : "Niels van Dijke"
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
             },
             {
                "name" : "Richard Hainsworth",
-               "y" : 1,
-               "drilldown" : "Richard Hainsworth"
+               "drilldown" : "Richard Hainsworth",
+               "y" : 1
             },
             {
-               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West",
                "y" : 5,
-               "drilldown" : "Roger Bell_West"
+               "name" : "Roger Bell_West"
             },
             {
-               "drilldown" : "Sangeet Kar",
                "name" : "Sangeet Kar",
+               "drilldown" : "Sangeet Kar",
                "y" : 2
             },
             {
-               "drilldown" : "Simon Proctor",
                "name" : "Simon Proctor",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Simon Proctor"
             },
             {
-               "name" : "Ulrich Rieke",
                "y" : 2,
-               "drilldown" : "Ulrich Rieke"
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke"
             },
             {
-               "drilldown" : "Wanderdoc",
                "y" : 2,
+               "drilldown" : "Wanderdoc",
                "name" : "Wanderdoc"
             }
-         ]
+         ],
+         "name" : "Perl Weekly Challenge - 064",
+         "colorByPoint" : 1
       }
    ],
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Arne Sommer",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer"
+         },
+         {
+            "name" : "Bartosz Jarzyna",
             "data" : [
                [
                   "Perl",
@@ -144,12 +142,11 @@
                   1
                ]
             ],
-            "id" : "Bartosz Jarzyna",
-            "name" : "Bartosz Jarzyna"
+            "id" : "Bartosz Jarzyna"
          },
          {
-            "id" : "Cheok-Yin Fung",
             "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
@@ -159,15 +156,16 @@
          },
          {
             "id" : "Colin Crain",
-            "name" : "Colin Crain",
             "data" : [
                [
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Colin Crain"
          },
          {
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -178,20 +176,21 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby"
          },
          {
+            "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            ]
          },
          {
+            "name" : "Javier Luque",
+            "id" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -205,13 +204,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Javier Luque",
-            "id" : "Javier Luque"
+            ]
          },
          {
-            "id" : "Jorg Sommrey",
             "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
@@ -220,17 +217,16 @@
             ]
          },
          {
+            "name" : "Leo Manfredi",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Leo Manfredi",
-            "name" : "Leo Manfredi"
+            "id" : "Leo Manfredi"
          },
          {
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari",
             "data" : [
                [
@@ -241,19 +237,21 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Luca Ferrari"
          },
          {
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
          },
          {
+            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
@@ -268,30 +266,30 @@
                   1
                ]
             ],
-            "id" : "Mohammad S Anwar",
-            "name" : "Mohammad S Anwar"
+            "id" : "Mohammad S Anwar"
          },
          {
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke"
+            "name" : "Niels van Dijke"
          },
          {
-            "name" : "Richard Hainsworth",
             "id" : "Richard Hainsworth",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Richard Hainsworth"
          },
          {
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -306,49 +304,70 @@
                   1
                ]
             ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
+            "id" : "Roger Bell_West"
          },
          {
+            "name" : "Sangeet Kar",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Sangeet Kar",
-            "name" : "Sangeet Kar"
+            "id" : "Sangeet Kar"
          },
          {
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Simon Proctor",
             "id" : "Simon Proctor"
          },
          {
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke"
          },
          {
+            "name" : "Wanderdoc",
+            "id" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc"
+            ]
          }
       ]
+   },
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2020-06-13 22:03:30 GMT"
+   },
+   "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"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 064"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 982851dd8e..283292be39 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,10 +1,23 @@
 {
    "series" : [
       {
+         "dataLabels" : {
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "enabled" : "true",
+            "align" : "right",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "y" : 10
+         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               738
+               739
             ],
             [
                "Perl",
@@ -12,29 +25,25 @@
             ],
             [
                "Raku",
-               1687
+               1689
             ]
-         ],
-         "dataLabels" : {
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "y" : 10,
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "align" : "right",
-            "rotation" : -90,
-            "enabled" : "true"
-         },
-         "name" : "Contributions"
+         ]
       }
    ],
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
+   },
    "subtitle" : {
-      "text" : "Last updated at 2020-06-13 21:58:45 GMT"
+      "text" : "Last updated at 2020-06-13 22:03:30 GMT"
    },
-   "legend" : {
-      "enabled" : "false"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "yAxis" : {
       "min" : 0,
@@ -45,17 +54,8 @@
    "chart" : {
       "type" : "column"
    },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
-   },
-   "tooltip" : {
-