- Added solutions by Pete Houston.

14 files changed, 1900 insertions, 1762 deletions

diff --git a/challenge-086/pete-houston/perl/ch-1.pl b/challenge-086/pete-houston/perl/ch-1.pl
new file mode 100644
index 0000000000..d0c50d1b02
--- /dev/null
+++ b/challenge-086/pete-houston/perl/ch-1.pl
@@ -0,0 +1,28 @@
+#!/usr/bin/env perl 
+#===============================================================================
+#
+#         FILE: 8601.pl
+#
+#        USAGE: ./8601.pl A N N [ ... ]
+#
+#  DESCRIPTION: Determine if any pair of N have a difference of A
+#
+#        NOTES: Displays the matching difference, if any
+#       AUTHOR: Pete Houston (pete), cpan@openstrike.co.uk
+# ORGANIZATION: Openstrike
+#      VERSION: 1.0
+#      CREATED: 09/11/20
+#===============================================================================
+
+use strict;
+use warnings;
+
+my $diff = shift @ARGV;
+my %lookup = map { $_ => 1 } @ARGV;
+
+my ($res) = grep { $lookup{$_ + $diff} } @ARGV;
+if (defined $res) {
+	print $res + $diff . " - $res = $diff\n1\n";
+} else {
+	print "0\n";
+}
diff --git a/challenge-086/pete-houston/perl/ch-2.pl b/challenge-086/pete-houston/perl/ch-2.pl
new file mode 100644
index 0000000000..b27e80c822
--- /dev/null
+++ b/challenge-086/pete-houston/perl/ch-2.pl
@@ -0,0 +1,95 @@
+#!/usr/bin/env perl 
+#===============================================================================
+#
+#         FILE: 8602.pl
+#
+#        USAGE: ./8602.pl [ infile ]
+#
+#  DESCRIPTION: Solve a sudoku puzzle
+#
+#      OPTIONS: Reads the input grid from STDIN if a filename isn't given
+# REQUIREMENTS: None, just perl!
+#        NOTES: The solver is a bit naive and will only find unique solutions
+#       AUTHOR: Pete Houston (pete), cpan@openstrike.co.uk
+# ORGANIZATION: Openstrike
+#      VERSION: 1.0
+#      CREATED: 11/11/20
+#===============================================================================
+
+use strict;
+use warnings;
+
+my $grid = load_grid ($ARGV[0]);
+solve ($grid);
+output ($grid);
+
+sub load_grid {
+	my $fh = \*STDIN;
+	if (defined $_[0]) {
+		open $fh, '<', $_[0] or die "Cannot open $_[0]: $!";
+	}
+
+	my @input;
+	while (my $line = <$fh>) {
+		$line =~ s/_/0/g;
+		my @digits = ($line =~ /([0-9])/g);
+		next unless $#digits == 8;
+		push @input, \@digits;
+	}
+	die "Only " . scalar @input . " lines successfully read" unless
+		$#input == 8;
+	return \@input;
+}
+
+sub solve {
+	my $grid = shift;
+	my $missing = 81;
+	while ($missing) {
+		for my $row (0 .. 8) {
+			my @missing_ids = grep { $grid->[$row][$_] < 1 } (0 .. 8);
+			for my $id (@missing_ids) {
+				find_one ($grid, $row, $id);
+			}
+		}
+		my $oldmissing = $missing;
+		$missing = grep { $_ < 1 } map { @$_ } @$grid;
+		die "Cannot be solved\n" if $missing == $oldmissing;
+	}
+}
+
+sub find_one {
+	my ($grid, $row, $col) = @_;
+	my %poss = map { $_ => 1 } 1 .. 9;
+
+	# Row
+	delete $poss{$_} for grep { $_ } @{$grid->[$row]}[0 .. 8];
+
+	# Column
+	for my $j (0 .. 8) {
+		my $n = $grid->[$j][$col];
+		delete $poss{$n} if $n;
+	}
+
+	# Square
+	my $y = int ($row / 3) * 3;
+	my $x = int ($col / 3) * 3;
+	for my $j ($y .. $y + 2) {
+		for my $i ($x .. $x + 2) {
+			my $n = $grid->[$j][$i];
+			delete $poss{$n} if $n;
+		}
+	}
+	my @possibles = keys %poss;
+	die "No options left for $row, $col\n" if 1 > @possibles;
+	if (2 > @possibles) {
+		($grid->[$row][$col]) = $possibles[0];
+		return;
+	}
+}
+
+sub output {
+	my $grid = shift;
+	for my $row (0 .. 8) {
+		print "@{$grid->[$row]}\n";
+	}
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 73e0b64474..64cdbe1631 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,192 +1,30 @@
 {
-   "series" : [
-      {
-         "data" : [
-            {
-               "name" : "Abigail",
-               "y" : 4,
-               "drilldown" : "Abigail"
-            },
-            {
-               "drilldown" : "Adam Russell",
-               "y" : 3,
-               "name" : "Adam Russell"
-            },
-            {
-               "drilldown" : "Alexander Pankoff",
-               "name" : "Alexander Pankoff",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Andinus",
-               "name" : "Andinus",
-               "y" : 2
-            },
-            {
-               "name" : "Andrew Shitov",
-               "y" : 1,
-               "drilldown" : "Andrew Shitov"
-            },
-            {
-               "name" : "Arne Sommer",
-               "y" : 5,
-               "drilldown" : "Arne Sommer"
-            },
-            {
-               "name" : "Athanasius",
-               "y" : 4,
-               "drilldown" : "Athanasius"
-            },
-            {
-               "y" : 3,
-               "name" : "Cheok-Yin Fung",
-               "drilldown" : "Cheok-Yin Fung"
-            },
-            {
-               "drilldown" : "Colin Crain",
-               "name" : "Colin Crain",
-               "y" : 3
-            },
-            {
-               "name" : "Cristina Heredia",
-               "y" : 1,
-               "drilldown" : "Cristina Heredia"
-            },
-            {
-               "drilldown" : "Daniel Bowling",
-               "name" : "Daniel Bowling",
-               "y" : 1
-            },
-            {
-               "y" : 2,
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "drilldown" : "Duncan C. White",
-               "y" : 2,
-               "name" : "Duncan C. White"
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "name" : "Feng Chang",
-               "y" : 2,
-               "drilldown" : "Feng Chang"
-            },
-            {
-               "drilldown" : "Flavio Poletti",
-               "y" : 4,
-               "name" : "Flavio Poletti"
-            },
-            {
-               "y" : 1,
-               "name" : "Jan Krnavek",
-               "drilldown" : "Jan Krnavek"
-            },
-            {
-               "y" : 2,
-               "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey"
-            },
-            {
-               "name" : "Julio de Castro",
-               "y" : 4,
-               "drilldown" : "Julio de Castro"
-            },
-            {
-               "name" : "Kai Burgdorf",
-               "y" : 2,
-               "drilldown" : "Kai Burgdorf"
-            },
-            {
-               "y" : 2,
-               "name" : "Kang-min Liu",
-               "drilldown" : "Kang-min Liu"
-            },
-            {
-               "name" : "Laurent Rosenfeld",
-               "y" : 5,
-               "drilldown" : "Laurent Rosenfeld"
-            },
-            {
-               "y" : 3,
-               "name" : "Lubos Kolouch",
-               "drilldown" : "Lubos Kolouch"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Myoungjin Jeon",
-               "name" : "Myoungjin Jeon",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Nuno Vieira",
-               "name" : "Nuno Vieira",
-               "y" : 2
-            },
-            {
-               "name" : "Philip Hood",
-               "y" : 2,
-               "drilldown" : "Philip Hood"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 4,
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "drilldown" : "Shawn Wagner",
-               "y" : 2,
-               "name" : "Shawn Wagner"
-            },
-            {
-               "drilldown" : "Simon Green",
-               "name" : "Simon Green",
-               "y" : 2
-            },
-            {
-               "name" : "Simon Proctor",
-               "y" : 2,
-               "drilldown" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "Stuart Little",
-               "y" : 2,
-               "name" : "Stuart Little"
-            },
-            {
-               "drilldown" : "Tejas",
-               "y" : 2,
-               "name" : "Tejas"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 3,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "Walt Mankowski",
-               "name" : "Walt Mankowski",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Wanderdoc",
-               "y" : 2,
-               "name" : "Wanderdoc"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 086"
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 37] Last updated at 2020-11-16 11:47:50 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
       }
-   ],
+   },
    "drilldown" : {
       "series" : [
          {
@@ -200,10 +38,11 @@
                   2
                ]
             ],
-            "name" : "Abigail",
-            "id" : "Abigail"
+            "id" : "Abigail",
+            "name" : "Abigail"
          },
          {
+            "name" : "Adam Russell",
             "data" : [
                [
                   "Perl",
@@ -214,12 +53,11 @@
                   2
                ]
             ],
-            "name" : "Adam Russell",
             "id" : "Adam Russell"
          },
          {
-            "id" : "Alexander Pankoff",
             "name" : "Alexander Pankoff",
+            "id" : "Alexander Pankoff",
             "data" : [
                [
                   "Perl",
@@ -228,6 +66,7 @@
             ]
          },
          {
+            "name" : "Andinus",
             "data" : [
                [
                   "Perl",
@@ -238,18 +77,17 @@
                   1
                ]
             ],
-            "name" : "Andinus",
             "id" : "Andinus"
          },
          {
-            "name" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "id" : "Andrew Shitov"
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
          },
          {
             "data" : [
@@ -266,11 +104,11 @@
                   1
                ]
             ],
-            "name" : "Arne Sommer",
-            "id" : "Arne Sommer"
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
          },
          {
-            "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -281,9 +119,10 @@
                   2
                ]
             ],
-            "id" : "Athanasius"
+            "name" : "Athanasius"
          },
          {
+            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
@@ -294,11 +133,9 @@
                   1
                ]
             ],
-            "name" : "Cheok-Yin Fung",
-            "id" : "Cheok-Yin Fung"
+            "name" : "Cheok-Yin Fung"
          },
          {
-            "name" : "Colin Crain",
             "data" : [
                [
                   "Perl",
@@ -309,17 +146,18 @@
                   1
                ]
             ],
-            "id" : "Colin Crain"
+            "id" : "Colin Crain",
+            "name" : "Colin Crain"
          },
          {
-            "id" : "Cristina Heredia",
             "name" : "Cristina Heredia",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Cristina Heredia"
          },
          {
             "id" : "Daniel Bowling",
@@ -332,13 +170,13 @@
             "name" : "Daniel Bowling"
          },
          {
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Dave Jacoby",
             "id" : "Dave Jacoby"
          },
          {
@@ -352,28 +190,27 @@
             "id" : "Duncan C. White"
          },
          {
+            "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "E. Choroba",
-            "id" : "E. Choroba"
+            ]
          },
          {
             "name" : "Feng Chang",
+            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Feng Chang"
+            ]
          },
          {
             "id" : "Flavio Poletti",
-            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -383,17 +220,18 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Flavio Poletti"
          },
          {
-            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "name" : "Jan Krnavek"
+            "id" : "Jan Krnavek"
          },
          {
             "data" : [
@@ -402,10 +240,11 @@
                   2
                ]
             ],
-            "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey"
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey"
          },
          {
+            "name" : "Julio de Castro",
             "data" : [
                [
                   "Perl",
@@ -416,30 +255,30 @@
                   2
                ]
             ],
-            "name" : "Julio de Castro",
             "id" : "Julio de Castro"
          },
          {
-            "id" : "Kai Burgdorf",
             "name" : "Kai Burgdorf",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Kai Burgdorf"
          },
          {
             "name" : "Kang-min Liu",
+            "id" : "Kang-min Liu",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Kang-min Liu"
+            ]
          },
          {
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -454,7 +293,6 @@
                   1
                ]
             ],
-            "name" : "Laurent Rosenfeld",
             "id" : "Laurent Rosenfeld"
          },
          {
@@ -468,18 +306,18 @@
                   1
                ]
             ],
-            "name" : "Lubos Kolouch",
-            "id" : "Lubos Kolouch"
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
          },
          {
-            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Mark Anderson"
+            "name" : "Mark Anderson"
          },
          {
             "data" : [
@@ -496,22 +334,32 @@
                   1
                ]
             ],
-            "name" : "Myoungjin Jeon",
-            "id" : "Myoungjin Jeon"
+            "id" : "Myoungjin Jeon",
+            "name" : "Myoungjin Jeon"
          },
          {
-            "id" : "Nuno Vieira",
             "name" : "Nuno Vieira",
             "data" : [
                [
                   "Perl",
                   2
                ]
+            ],
+            "id" : "Nuno Vieira"
+         },
+         {
+            "name" : "Pete Houston",
+            "id" : "Pete Houston",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
             ]
          },
          {
-            "id" : "Philip Hood",
             "name" : "Philip Hood",
+            "id" : "Philip Hood",
             "data" : [
                [
                   "Raku",
@@ -520,7 +368,7 @@
             ]
          },
          {
-            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -535,21 +383,20 @@
                   1
                ]
             ],
-            "name" : "Roger Bell_West"
+            "id" : "Roger Bell_West"
          },
          {
-            "id" : "Shawn Wagner",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Shawn Wagner",
             "name" : "Shawn Wagner"
          },
          {
             "id" : "Simon Green",
-            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -559,37 +406,38 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Simon Green"
          },
          {
-            "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Simon Proctor"
+            "name" : "Simon Proctor"
          },
          {
             "name" : "Stuart Little",
+            "id" : "Stuart Little",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Stuart Little"
+            ]
          },
          {
             "name" : "Tejas",
+            "id" : "Tejas",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Tejas"
+            ]
          },
          {
             "data" : [
@@ -602,63 +450,230 @@
                   1
                ]
             ],
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
          },
          {
-            "id" : "Walt Mankowski",
+            "name" : "Walt Mankowski",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Walt Mankowski"
+            "id" : "Walt Mankowski"
          },
          {
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc"
          }
       ]
    },
-   "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
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "legend" : {
-      "enabled" : 0
-   },
-   "subtitle" : {
-      "text" : "[Champions: 36] Last updated at 2020-11-16 08:01:30 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
    "title" : {
       "text" : "Perl Weekly Challenge - 086"
-   }
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "drilldown" : "Abigail",
+               "y" : 4,
+               "name" : "Abigail"
+            },
+            {
+               "name" : "Adam Russell",
+               "y" : 3,
+               "drilldown" : "Adam Russell"
+            },
+            {
+               "name" : "Alexander Pankoff",
+               "drilldown" : "Alexander Pankoff",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Andinus",
+               "name" : "Andinus"
+            },
+            {
+               "name" : "Andrew Shitov",
+               "drilldown" : "Andrew Shitov",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "y" : 5,
+               "name" : "Arne Sommer"
+            },
+            {
+               "name" : "Athanasius",
+               "y" : 4,
+               "drilldown" : "Athanasius"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Colin Crain",
+               "name" : "Colin Crain"
+            },
+            {
+               "drilldown" : "Cristina Heredia",
+               "y" : 1,
+               "name" : "Cristina Heredia"
+            },
+            {
+               "name" : "Daniel Bowling",
+               "drilldown" : "Daniel Bowling",
+               "y" : 1
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "Duncan C. White",
+               "y" : 2,
+               "name" : "Duncan C. White"
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Feng Chang",
+               "name" : "Feng Chang"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Julio de Castro",
+               "name" : "Julio de Castro"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Kai Burgdorf",
+               "name" : "Kai Burgdorf"
+            },
+            {
+               "name" : "Kang-min Liu",
+               "y" : 2,
+               "drilldown" : "Kang-min Liu"
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "y" : 5,
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "y" : 3,
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Myoungjin Jeon",
+               "y" : 5,
+               "name" : "Myoungjin Jeon"
+            },
+            {
+               "name" : "Nuno Vieira",
+               "y" : 2,
+               "drilldown" : "Nuno Vieira"
+            },
+            {
+               "name" : "Pete Houston",
+               "drilldown" : "Pete Houston",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Philip Hood",
+               "name" : "Philip Hood"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "y" : 4,
+               "name" : "Roger Bell_West"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Shawn Wagner",
+               "name" : "Shawn Wagner"
+            },
+            {
+               "name" : "Simon Green",
+               "drilldown" : "Simon Green",
+               "y" : 2
+            },
+            {
+               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Stuart Little",
+               "name" : "Stuart Little"
+            },
+            {
+               "name" : "Tejas",
+               "y" : 2,
+               "drilldown" : "Tejas"
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "y" : 3,
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Walt Mankowski",
+               "name" : "Walt Mankowski"
+            },
+            {
+               "name" : "Wanderdoc",
+               "y" : 2,
+               "drilldown" : "Wanderdoc"
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 086"
+      }
+   ]
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 3e50cb50eb..884ab84a5b 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,16 +2,16 @@
    "series" : [
       {
          "dataLabels" : {
-            "y" : 10,
             "rotation" : -90,
-            "enabled" : "true",
+            "align" : "right",
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "align" : "right",
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}"
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "enabled" : "true",
+            "color" : "#FFFFFF"
          },
          "name" : "Contributions",
          "data" : [
@@ -21,7 +21,7 @@
             ],
             [
                "Perl",
-               3839
+               3841
             ],
             [
                "Raku",
@@ -30,34 +30,34 @@
          ]
       }
    ],
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "yAxis" : {
+      "min" : 0,
       "title" : {
          "text" : null
-      },
-      "min" : 0
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-11-16 08:01:30 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "chart" : {
-      "type" : "column"
+      }
    },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2020-11-16 11:47:50 GMT"
+   },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
             "fontSize" : "13px",
             "fontFamily" : "Verdana, sans-serif"
          }
-      },
-      "type" : "category"
+      }
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "chart" : {
+      "type" : "column"
    }
 }