- Added solutions by Marton Polgar.

- Added solutions by Laurent Rosenfeld.
- Added solutions by Packy Anderson.
- Added solutions by Robbie Hatley.
- Added solutions by Matthew Neleigh.
- Added solutions by Mariano Spadaccini.

19 files changed, 3224 insertions, 3150 deletions

diff --git a/challenge-273/laurent-rosenfeld/blog1.txt b/challenge-273/laurent-rosenfeld/blog1.txt
new file mode 100644
index 0000000000..94e57474e8
--- /dev/null
+++ b/challenge-273/laurent-rosenfeld/blog1.txt
@@ -0,0 +1 @@
+https://blogs.perl.org/users/laurent_r/2024/06/perl-weekly-challenge-273-b-after-a.html
diff --git a/challenge-273/laurent-rosenfeld/perl/ch-2.pl b/challenge-273/laurent-rosenfeld/perl/ch-2.pl
new file mode 100644
index 0000000000..c88669d42f
--- /dev/null
+++ b/challenge-273/laurent-rosenfeld/perl/ch-2.pl
@@ -0,0 +1,12 @@
+use strict;
+use warnings;
+use feature 'say';
+
+sub b_after_a {
+    return shift =~ /^[^b]*b[^a]*$/ ? "true" : "false";
+}
+
+for my $test (qw<aabb abab aaa bbb>) {
+    printf "%-5s => ", $test;
+    say b_after_a $test;
+}
diff --git a/challenge-273/laurent-rosenfeld/raku/ch-2.raku b/challenge-273/laurent-rosenfeld/raku/ch-2.raku
new file mode 100644
index 0000000000..6a529cd838
--- /dev/null
+++ b/challenge-273/laurent-rosenfeld/raku/ch-2.raku
@@ -0,0 +1,8 @@
+sub b-after-a ($str) {
+    return $str ~~ /^ <-[b]>* b <-[a]>* $/ ?? True !! False;
+}
+
+for <aabb abab aaa bbb> ->  $test {
+    printf "%-5s => ", $test;
+    say b-after-a $test;
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index bd7a06e620..88d16fce3c 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,26 +1,130 @@
 {
-   "legend" : {
-      "enabled" : 0
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 2,
+               "name" : "Andrew Shitov",
+               "drilldown" : "Andrew Shitov"
+            },
+            {
+               "y" : 3,
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "David Ferrone",
+               "y" : 2,
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Laurent Rosenfeld",
+               "y" : 6,
+               "name" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 11
+            },
+            {
+               "drilldown" : "Mariano Spadaccini",
+               "name" : "Mariano Spadaccini",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Matthew Neleigh",
+               "name" : "Matthew Neleigh",
+               "y" : 2
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 2,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "y" : 5,
+               "name" : "Packy Anderson",
+               "drilldown" : "Packy Anderson"
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith"
+            },
+            {
+               "name" : "Peter Meszaros",
+               "y" : 2,
+               "drilldown" : "Peter Meszaros"
+            },
+            {
+               "name" : "Robbie Hatley",
+               "y" : 3,
+               "drilldown" : "Robbie Hatley"
+            },
+            {
+               "y" : 4,
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "y" : 4,
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "y" : 2,
+               "name" : "Wanderdoc"
+            }
+         ],
+         "name" : "The Weekly Challenge - 273",
+         "colorByPoint" : 1
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 18] Last updated at 2024-06-13 12:09:17 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "title" : {
+      "text" : "The Weekly Challenge - 273"
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Andrew Shitov"
+            "name" : "Andrew Shitov"
          },
          {
-            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -31,49 +135,49 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby"
+            "name" : "Dave Jacoby"
          },
          {
+            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "David Ferrone",
             "name" : "David Ferrone"
          },
          {
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "E. Choroba",
             "name" : "E. Choroba"
          },
          {
+            "id" : "Laurent Rosenfeld",
             "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
-                  1
+                  2
                ],
                [
                   "Raku",
-                  1
+                  2
                ],
                [
                   "Blog",
-                  1
+                  2
                ]
-            ],
-            "id" : "Laurent Rosenfeld"
+            ]
          },
          {
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -88,26 +192,62 @@
          {
             "data" : [
                [
-                  "Raku",
+                  "Perl",
                   2
                ]
             ],
+            "name" : "Mariano Spadaccini",
+            "id" : "Mariano Spadaccini"
+         },
+         {
             "id" : "Mark Anderson",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
             "name" : "Mark Anderson"
          },
          {
+            "id" : "Matthew Neleigh",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Matthew Neleigh"
+         },
+         {
             "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
                   2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
                ]
             ],
-            "name" : "Niels van Dijke"
+            "name" : "Packy Anderson"
          },
          {
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -117,17 +257,19 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith"
          },
          {
             "name" : "Peter Meszaros",
-            "id" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Peter Meszaros"
          },
          {
             "name" : "Robbie Hatley",
@@ -144,7 +286,6 @@
             "id" : "Robbie Hatley"
          },
          {
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -155,6 +296,7 @@
                   2
                ]
             ],
+            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West"
          },
          {
@@ -172,7 +314,7 @@
             "name" : "Thomas Kohler"
          },
          {
-            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -183,127 +325,38 @@
                   2
                ]
             ],
-            "id" : "Ulrich Rieke"
+            "name" : "Ulrich Rieke"
          },
          {
-            "id" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Wanderdoc"
+            "name" : "Wanderdoc",
+            "id" : "Wanderdoc"
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 273"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
-   },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "format" : "{point.y}",
             "enabled" : 1
-         }
-      }
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "y" : 2,
-               "drilldown" : "Andrew Shitov",
-               "name" : "Andrew Shitov"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "David Ferrone",
-               "name" : "David Ferrone"
-            },
-            {
-               "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "name" : "Laurent Rosenfeld",
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 3
-            },
-            {
-               "y" : 11,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros"
-            },
-            {
-               "y" : 3,
-               "name" : "Robbie Hatley",
-               "drilldown" : "Robbie Hatley"
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 4
-            },
-            {
-               "name" : "Thomas Kohler",
-               "drilldown" : "Thomas Kohler",
-               "y" : 4
-            },
-            {
-               "y" : 4,
-               "name" : "Ulrich Rieke",
-               "drilldown" : "Ulrich Rieke"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Wanderdoc",
-               "name" : "Wanderdoc"
-            }
-         ],
-         "name" : "The Weekly Challenge - 273"
+         },
+         "borderWidth" : 0
       }
-   ],
-   "subtitle" : {
-      "text" : "[Champions: 15] Last updated at 2024-06-11 21:06:19 GMT"
    },
    "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/>"
+      "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/>"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 22cb613cf1..40f7c0c561 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,62 +2,62 @@
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2024]"
    },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "yAxis" : {
       "title" : {
          "text" : null
       },
       "min" : 0
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "subtitle" : {
-      "text" : "Last updated at 2024-06-11 21:06:19 GMT"
+      "text" : "Last updated at 2024-06-13 12:09:17 GMT"
    },
    "series" : [
       {
-         "name" : "Contributions",
-         "dataLabels" : {
-            "rotation" : -90,
-            "y" : 10,
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            }
-         },
          "data" : [
             [
                "Blog",
-               4959
+               4961
             ],
             [
                "Perl",
-               14125
+               14132
             ],
             [
                "Raku",
-               8191
+               8194
             ]
-         ]
+         ],
+         "dataLabels" : {
+            "y" : 10,
+            "enabled" : "true",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "align" : "right",
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF"
+         },
+         "name" : "Contributions"
       }
-   ]
+   ],
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 5422c55bd4..6de86fc657 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,1407 +1,13 @@
 {
-   "series" : [
-      {
-         "colorByPoint" : "true",
-         "data" : [
-            {
-               "drilldown" : "001",
-               "name" : "#001",
-               "y" : 168
-            },
-            {
-               "y" : 133,
-               "drilldown" : "002",
-               "name" : "#002"
-            },
-            {
-               "name" : "#003",
-               "drilldown" : "003",
-               "y" : 91
-            },
-            {
-               "y" : 106,
-               "drilldown" : "004",
-               "name" : "#004"
-            },
-            {
-               "y" : 82,
-               "name" : "#005",
-               "drilldown" : "005"
-            },
-            {
-               "name" : "#006",
-               "drilldown" : "006",
-               "y" : 63
-            },
-            {
-               "name" : "#007",
-               "drilldown" : "007",
-               "y" : 71
-            },
-            {
-               "name" : "#008",
-               "drilldown" : "008",
-               "y" : 84
-            },
-            {
-               "name" : "#009",
-               "drilldown" : "009",
-               "y" : 82
-            },
-            {
-               "y" : 71,
-               "drilldown" : "010",
-               "name" : "#010"
-            },
-            {
-               "name" : "#011",
-               "drilldown" : "011",
-               "y" : 91
-            },
-            {
-               "name" : "#012",
-               "drilldown" : "012",
-               "y" : 96
-            },
-            {
-               "name" : "#013",
-               "drilldown" : "013",
-               "y" : 88
-            },
-            {
-               "drilldown" : "014",
-               "name" : "#014",
-               "y" : 104
-            },
-            {
-               "y" : 103,
-               "drilldown" : "015",
-               "name" : "#015"
-            },
-            {
-               "y" : 75,
-               "drilldown" : "016",
-               "name" : "#016"
-            },
-            {
-               "drilldown" : "017",
-               "name" : "#017",
-               "y" : 87
-            },
-            {
-               "y" : 84,
-               "name" : "#018",
-               "drilldown" : "018"
-            },
-            {
-               "y" : 105,
-               "drilldown" : "019",
-               "name" : "#019"
-            },
-            {
-               "drilldown" : "020",
-               "name" : "#020",
-               "y" : 103
-            },
-            {
-               "y" : 74,
-               "drilldown" : "021",
-               "name" : "#021"
-            },
-            {
-               "y" : 72,
-               "name" : "#022",
-               "drilldown" : "022"
-            },
-            {
-               "y" : 101,
-               "name" : "#023",
-               "drilldown" : "023"
-            },
-            {
-               "y" : 77,
-               "name" : "#024",
-               "drilldown" : "024"
-            },
-            {
-               "name" : "#025",
-               "drilldown" : "025",
-               "y" : 62
-            },
-            {
-               "drilldown" : "026",
-               "name" : "#026",
-               "y" : 76
-            },
-            {
-               "y" : 64,
-               "drilldown" : "027",
-               "name" : "#027"
-            },
-            {
-               "name" : "#028",
-               "drilldown" : "028",
-               "y" : 82
-            },
-            {
-               "name" : "#029",
-               "drilldown" : "029",
-               "y" : 83
-            },
-            {
-               "name" : "#030",
-               "drilldown" : "030",
-               "y" : 121
-            },
-            {
-               "y" : 93,
-               "name" : "#031",
-               "drilldown" : "031"
-            },
-            {
-               "y" : 98,
-               "name" : "#032",
-               "drilldown" : "032"
-            },
-            {
-               "y" : 114,
-               "drilldown" : "033",
-               "name" : "#033"
-            },
-            {
-               "name" : "#034",
-               "drilldown" : "034",
-               "y" : 70
-            },
-            {
-               "drilldown" : "035",
-               "name" : "#035",
-               "y" : 68
-            },
-            {
-               "drilldown" : "036",
-               "name" : "#036",
-               "y" : 70
-            },
-            {
-               "drilldown" : "037",
-               "name" : "#037",
-               "y" : 70
-            },
-            {
-               "name" : "#038",
-               "drilldown" : "038",
-               "y" : 74
-            },
-            {
-               "drilldown" : "039",
-               "name" : "#039",
-               "y" : 68
-            },
-            {
-               "y" : 77,
-               "drilldown" : "040",
-               "name" : "#040"
-            },
-            {
-               "y" : 80,
-               "name" : "#041",
-               "drilldown" : "041"
-            },
-            {
-               "y" : 98,
-               "drilldown" : "042",
-               "name" : "#042"
-            },
-            {
-               "drilldown" : "043",
-               "name" : "#043",
-               "y" : 72
-            },
-            {
-               "y" : 90,
-               "drilldown" : "044",
-               "name" : "#044"
-            },
-            {
-               "name" : "#045",
-               "drilldown" : "045",
-               "y" : 102
-            },
-            {
-               "y" : 93,
-               "name" : "#046",
-               "drilldown" : "046"
-            },
-            {
-               "y" : 88,
-               "drilldown" : "047",
-               "name" : "#047"
-            },
-            {
-               "name" : "#048",
-               "drilldown" : "048",
-               "y" : 112
-            },
-            {
-               "name" : "#049",
-               "drilldown" : "049",
-               "y" : 93
-            },
-            {
-               "y" : 104,
-               "drilldown" : "050",
-               "name" : "#050"
-            },
-            {
-               "name" : "#051",
-               "drilldown" : "051",
-               "y" : 95
-            },
-            {
-               "y" : 93,
-               "drilldown" : "052",
-               "name" : "#052"
-            },
-            {
-               "y" : 105,
-               "drilldown" : "053",
-               "name" : "#053"
-            },
-            {
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