- Added solutions by Lubos Kolouch.

- Added solutions by Jan Krnavek.
- Added solutions by Arne Sommer.

30 files changed, 1802 insertions, 1741 deletions

diff --git a/arne-sommer/sh/6-out-of-49.sh b/challenge-246/arne-sommer/bash/6-out-of-49.sh
index bb80e85cd7..bb80e85cd7 100755
--- a/arne-sommer/sh/6-out-of-49.sh
+++ b/challenge-246/arne-sommer/bash/6-out-of-49.sh
diff --git a/arne-sommer/sh/ch-1.sh b/challenge-246/arne-sommer/bash/ch-1.sh
index bb80e85cd7..bb80e85cd7 100755
--- a/arne-sommer/sh/ch-1.sh
+++ b/challenge-246/arne-sommer/bash/ch-1.sh
diff --git a/arne-sommer/blog.txt b/challenge-246/arne-sommer/blog.txt
index 65e5669dd2..65e5669dd2 100644
--- a/arne-sommer/blog.txt
+++ b/challenge-246/arne-sommer/blog.txt
diff --git a/arne-sommer/perl/6-out-of-49.perl b/challenge-246/arne-sommer/perl/6-out-of-49.perl
index f73c982ad1..f73c982ad1 100755
--- a/arne-sommer/perl/6-out-of-49.perl
+++ b/challenge-246/arne-sommer/perl/6-out-of-49.perl
diff --git a/arne-sommer/perl/ch-1.perl b/challenge-246/arne-sommer/perl/ch-1.pl
index f73c982ad1..f73c982ad1 100755
--- a/arne-sommer/perl/ch-1.perl
+++ b/challenge-246/arne-sommer/perl/ch-1.pl
diff --git a/arne-sommer/raku/6-out-of-49 b/challenge-246/arne-sommer/raku/6-out-of-49
index 58cade000d..58cade000d 100755
--- a/arne-sommer/raku/6-out-of-49
+++ b/challenge-246/arne-sommer/raku/6-out-of-49
diff --git a/arne-sommer/raku/ch-1.raku b/challenge-246/arne-sommer/raku/ch-1.raku
index 58cade000d..58cade000d 100755
--- a/arne-sommer/raku/ch-1.raku
+++ b/challenge-246/arne-sommer/raku/ch-1.raku
diff --git a/arne-sommer/raku/ch-2.raku b/challenge-246/arne-sommer/raku/ch-2.raku
index 2615f884fd..2615f884fd 100755
--- a/arne-sommer/raku/ch-2.raku
+++ b/challenge-246/arne-sommer/raku/ch-2.raku
diff --git a/arne-sommer/raku/lroso b/challenge-246/arne-sommer/raku/lroso
index 2615f884fd..2615f884fd 100755
--- a/arne-sommer/raku/lroso
+++ b/challenge-246/arne-sommer/raku/lroso
diff --git a/arne-sommer/raku/reverse-lroso b/challenge-246/arne-sommer/raku/reverse-lroso
index b4376a760c..b4376a760c 100755
--- a/arne-sommer/raku/reverse-lroso
+++ b/challenge-246/arne-sommer/raku/reverse-lroso
diff --git a/arne-sommer/ruby/6-out-of-49.ruby b/challenge-246/arne-sommer/ruby/6-out-of-49.ruby
index ca73f52770..ca73f52770 100755
--- a/arne-sommer/ruby/6-out-of-49.ruby
+++ b/challenge-246/arne-sommer/ruby/6-out-of-49.ruby
diff --git a/arne-sommer/ruby/ch-1.ruby b/challenge-246/arne-sommer/ruby/ch-1.rb
index ca73f52770..ca73f52770 100755
--- a/arne-sommer/ruby/ch-1.ruby
+++ b/challenge-246/arne-sommer/ruby/ch-1.rb
diff --git a/arne-sommer/sql/6-out-of-49.sql b/challenge-246/arne-sommer/sql/6-out-of-49.sql
index fcf1d10e3e..fcf1d10e3e 100755
--- a/arne-sommer/sql/6-out-of-49.sql
+++ b/challenge-246/arne-sommer/sql/6-out-of-49.sql
diff --git a/arne-sommer/sql/ch-1.sql b/challenge-246/arne-sommer/sql/ch-1.sql
index fcf1d10e3e..fcf1d10e3e 100755
--- a/arne-sommer/sql/ch-1.sql
+++ b/challenge-246/arne-sommer/sql/ch-1.sql
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 364705e94c..4f6d0ecc08 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,14 +1,35 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "title" : {
+      "text" : "The Weekly Challenge - 246"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
    },
+   "subtitle" : {
+      "text" : "[Champions: 23] Last updated at 2023-12-09 22:02:56 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "series" : [
       {
          "colorByPoint" : 1,
          "data" : [
             {
+               "y" : 4,
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer"
+            },
+            {
                "name" : "Bob Lied",
                "drilldown" : "Bob Lied",
                "y" : 3
@@ -25,18 +46,23 @@
             },
             {
                "name" : "David Ferrone",
-               "y" : 2,
-               "drilldown" : "David Ferrone"
+               "drilldown" : "David Ferrone",
+               "y" : 2
             },
             {
-               "y" : 2,
+               "name" : "E. Choroba",
                "drilldown" : "E. Choroba",
-               "name" : "E. Choroba"
+               "y" : 2
             },
             {
-               "drilldown" : "Humberto Massa",
                "y" : 2,
-               "name" : "Humberto Massa"
+               "name" : "Humberto Massa",
+               "drilldown" : "Humberto Massa"
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek",
+               "y" : 2
             },
             {
                "name" : "Jorg Sommrey",
@@ -45,32 +71,37 @@
             },
             {
                "drilldown" : "Laurent Rosenfeld",
-               "y" : 6,
-               "name" : "Laurent Rosenfeld"
+               "name" : "Laurent Rosenfeld",
+               "y" : 6
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch"
             },
             {
-               "name" : "Luca Ferrari",
                "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
                "y" : 10
             },
             {
+               "drilldown" : "Mark Anderson",
                "name" : "Mark Anderson",
-               "y" : 2,
-               "drilldown" : "Mark Anderson"
+               "y" : 2
             },
             {
-               "name" : "Nelo Tovar",
                "y" : 2,
+               "name" : "Nelo Tovar",
                "drilldown" : "Nelo Tovar"
             },
             {
+               "drilldown" : "Niels van Dijke",
                "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
+               "y" : 2
             },
             {
-               "name" : "Oliver Oviedo",
                "y" : 1,
+               "name" : "Oliver Oviedo",
                "drilldown" : "Oliver Oviedo"
             },
             {
@@ -79,52 +110,60 @@
                "name" : "Packy Anderson"
             },
             {
-               "y" : 3,
                "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith"
+               "name" : "Peter Campbell Smith",
+               "y" : 3
             },
             {
-               "name" : "Peter Meszaros",
                "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
                "y" : 2
             },
             {
-               "name" : "Robert DiCicco",
+               "y" : 2,
                "drilldown" : "Robert DiCicco",
-               "y" : 2
+               "name" : "Robert DiCicco"
             },
             {
-               "drilldown" : "Roger Bell_West",
                "y" : 4,
-               "name" : "Roger Bell_West"
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
             },
             {
-               "name" : "Thomas Kohler",
                "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
                "y" : 4
             },
             {
-               "drilldown" : "W. Luis Mochan",
                "y" : 3,
-               "name" : "W. Luis Mochan"
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan"
             }
          ],
          "name" : "The Weekly Challenge - 246"
       }
    ],
-   "xAxis" : {
-      "type" : "category"
+   "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/>"
    },
-   "legend" : {
-      "enabled" : 0
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Bob Lied",
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Perl",
+                  1
+               ],
+               [
+                  "Raku",
                   2
                ],
                [
@@ -132,7 +171,7 @@
                   1
                ]
             ],
-            "id" : "Bob Lied"
+            "id" : "Arne Sommer"
          },
          {
             "data" : [
@@ -145,8 +184,22 @@
                   1
                ]
             ],
-            "name" : "Cheok-Yin Fung",
-            "id" : "Cheok-Yin Fung"
+            "id" : "Bob Lied",
+            "name" : "Bob Lied"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Cheok-Yin Fung",
+            "name" : "Cheok-Yin Fung"
          },
          {
             "id" : "Dave Jacoby",
@@ -163,18 +216,18 @@
             "name" : "Dave Jacoby"
          },
          {
-            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "David Ferrone",
             "name" : "David Ferrone"
          },
          {
-            "id" : "E. Choroba",
             "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
@@ -183,16 +236,27 @@
             ]
          },
          {
-            "name" : "Humberto Massa",
+            "id" : "Humberto Massa",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Humberto Massa"
+            "name" : "Humberto Massa"
          },
          {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
+         },
+         {
+            "name" : "Jorg Sommrey",
             "id" : "Jorg Sommrey",
             "data" : [
                [
@@ -203,11 +267,10 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Jorg Sommrey"
+            ]
          },
          {
-            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -222,7 +285,25 @@
                   2
                ]
             ],
-            "name" : "Laurent Rosenfeld"
+            "id" : "Laurent Rosenfeld"
+         },
+         {
+            "name" : "Lubos Kolouch",
+            "id" : "Lubos Kolouch",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
          },
          {
             "data" : [
@@ -235,28 +316,28 @@
                   8
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
          },
          {
-            "id" : "Nelo Tovar",
             "name" : "Nelo Tovar",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Nelo Tovar"
          },
          {
             "id" : "Niels van Dijke",
@@ -275,11 +356,10 @@
                   1
                ]
             ],
-            "name" : "Oliver Oviedo",
-            "id" : "Oliver Oviedo"
+            "id" : "Oliver Oviedo",
+            "name" : "Oliver Oviedo"
          },
          {
-            "id" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -294,6 +374,7 @@
                   1
                ]
             ],
+            "id" : "Packy Anderson",
             "name" : "Packy Anderson"
          },
          {
@@ -307,21 +388,21 @@
                   1
                ]
             ],
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith"
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
+            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Peter Meszaros",
             "id" : "Peter Meszaros"
          },
          {
-            "id" : "Robert DiCicco",
+            "name" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
@@ -332,9 +413,10 @@
                   1
                ]
             ],
-            "name" : "Robert DiCicco"
+            "id" : "Robert DiCicco"
          },
          {
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -345,7 +427,6 @@
                   2
                ]
             ],
-            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West"
          },
          {
@@ -363,7 +444,6 @@
             "id" : "Thomas Kohler"
          },
          {
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -374,31 +454,12 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
          }
       ]
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 246"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 20] Last updated at 2023-12-09 05:56:02 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
+   "legend" : {
+      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 5c862c0711..a1102dc384 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "subtitle" : {
-      "text" : "Last updated at 2023-12-09 05:56:02 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2023]"
+      "text" : "Last updated at 2023-12-09 22:02:56 GMT"
    },
    "xAxis" : {
-      "type" : "category",
       "labels" : {
          "style" : {
             "fontFamily" : "Verdana, sans-serif",
             "fontSize" : "13px"
          }
-      }
+      },
+      "type" : "category"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2023]"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
    },
    "series" : [
       {
          "dataLabels" : {
+            "enabled" : "true",
+            "color" : "#FFFFFF",
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "align" : "right",
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "enabled" : "true",
             "y" : 10
          },
          "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               4280
+               4282
             ],
             [
                "Perl",
-               12701
+               12704
             ],
             [
                "Raku",
-               7322
+               7328
             ]
          ]
       }
    ],
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "legend" : {
-      "enabled" : "false"
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index c3334f4415..f6445e20ad 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,34 +1,58 @@
 {
-   "legend" : {
-      "enabled" : "false"
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2023-12-09 22:02:56 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "tooltip" : {
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
    },
    "series" : [
       {
+         "colorByPoint" : "true",
          "data" : [
             {
-               "name" : "#001",
                "y" : 164,
+               "name" : "#001",
                "drilldown" : "001"
             },
             {
-               "y" : 129,
+               "name" : "#002",
                "drilldown" : "002",
-               "name" : "#002"
+               "y" : 129
             },
             {
                "name" : "#003",
-               "y" : 87,
-               "drilldown" : "003"
+               "drilldown" : "003",
+               "y" : 87
             },
             {
                "y" : 103,
-               "drilldown" : "004",
-               "name" : "#004"
+               "name" : "#004",
+               "drilldown" : "004"
             },
             {
                "drilldown" : "005",
-               "y" : 80,
-               "name" : "#005"
+               "name" : "#005",
+               "y" : 80
             },
             {
                "name" : "#006",
@@ -36,18 +60,18 @@
                "y" : 61
             },
             {
-               "name" : "#007",
                "drilldown" : "007",
+               "name" : "#007",
                "y" : 69
             },
             {
+               "drilldown" : "008",
                "name" : "#008",
-               "y" : 82,
-               "drilldown" : "008"
+               "y" : 82
             },
             {
-               "name" : "#009",
                "y" : 80,
+               "name" : "#009",
                "drilldown" : "009"
             },
             {
@@ -61,59 +85,59 @@
                "y" : 89
             },
             {
-               "name" : "#012",
                "y" : 92,
+               "name" : "#012",
                "drilldown" : "012"
             },
             {
                "drilldown" : "013",
-               "y" : 87,
-               "name" : "#013"
+               "name" : "#013",
+               "y" : 87
             },
             {
-               "name" : "#014",
                "y" : 102,
+               "name" : "#014",
                "drilldown" : "014"
             },
             {
+               "drilldown" : "015",
                "name" : "#015",
-               "y" : 101,
-               "drilldown" : "015"
+               "y" : 101
             },
             {
+               "drilldown" : "016",
                "name" : "#016",
-               "y" : 75,
-               "drilldown" : "016"
+               "y" : 75
             },
             {
-               "name" : "#017",
                "y" : 86,
+               "name" : "#017",
                "drilldown" : "017"
             },
             {
-               "name" : "#018",
                "y" : 83,
+               "name" : "#018",
                "drilldown" : "018"
             },
             {
-               "name" : "#019",
                "y" : 105,
-               "drilldown" : "019"
+               "drilldown" : "019",
+               "name" : "#019"
             },
             {
+               "drilldown" : "020",
                "name" : "#020",
-               "y" : 103,
-               "drilldown" : "020"
+               "y" : 103
             },
             {
-               "drilldown" : "021",
                "y" : 74,
+               "drilldown" : "021",
                "name" : "#021"
             },
             {
+               "drilldown" : "022",
                "name" : "#022",
-               "y" : 72,
-               "drilldown" : "022"
+               "y" : 72
             },
             {
                "y" : 101,
@@ -121,9 +145,9 @@
                "name" : "#023"
             },
             {
-               "y" : 77,
                "drilldown" : "024",
-               "name" : "#024"
+               "name" : "#024",
+               "y" : 77
             },
             {
                "name" : "#025",
@@ -131,9 +155,9 @@
                "y" : 62
             },
             {
+               "y" : 76,
                "name" : "#026",
-               "drilldown" : "026",
-               "y" : 76
+               "drilldown" : "026"
             },
             {
                "name" : "#027",
@@ -142,8 +166,8 @@
             },
             {
                "drilldown" : "028",
-               "y" : 82,
-               "name" : "#028"
+               "name" : "#028",
+               "y" : 82
             },
             {