- Added solutions by Eric Cheung.

- Added solutions by Mohammad Sajid Anwar.
- Added solutions by Andrew Shitov.
- Added solutions by Niels van Dijke.
- Added solutions by Wanderdoc.
- Added solutions by Andreas Mahnke.
- Added solutions by Mark Anderson.
- Added solutions by Kjetil Skotheim.
- Added solutions by Luca Ferrari.

31 files changed, 813 insertions, 469 deletions

diff --git a/challenge-349/eric-cheung/python/ch-1.py b/challenge-349/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..c40018e582
--- /dev/null
+++ b/challenge-349/eric-cheung/python/ch-1.py
@@ -0,0 +1,23 @@
+

+## strInput = "textbook"  ## Example 1

+## strInput = "aaaaa"  ## Example 2

+## strInput = "hoorayyy"  ## Example 3

+## strInput = "x"  ## Example 4

+strInput = "aabcccddeeffffghijjk"  ## Example 5

+

+strTemp = strInput[0]

+arrOutput = []

+

+nIndx = 1

+while nIndx < len(strInput):

+    if strInput[nIndx] == strTemp[-1]:

+        strTemp = strTemp + strInput[nIndx]

+    else:

+        arrOutput.append(strTemp)

+        strTemp = strInput[nIndx]

+

+    nIndx = nIndx + 1

+

+arrOutput.append(strTemp)

+

+print (max([len(strLoop) for strLoop in arrOutput]))

diff --git a/challenge-349/eric-cheung/python/ch-2.py b/challenge-349/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..a0cc089fec
--- /dev/null
+++ b/challenge-349/eric-cheung/python/ch-2.py
@@ -0,0 +1,15 @@
+

+## strPath = "ULD"  ## Example 1

+## strPath = "ULDR"  ## Example 2

+## strPath = "UUURRRDDD"  ## Example 3

+## strPath = "UURRRDDLLL"  ## Example 4

+strPath = "RRUULLDDRRUU"  ## Example 5

+

+nX = 0

+nY = 0

+

+for charLoop in strPath:

+    nX = nX + (-1 if charLoop == "L" else 1 if charLoop == "R" else 0)

+    nY = nY + (-1 if charLoop == "D" else 1 if charLoop == "U" else 0)

+

+print (nX == 0 and nY == 0)

diff --git a/challenge-349/mohammad-anwar/perl/ch-1.pl b/challenge-349/mohammad-anwar/perl/ch-1.pl
new file mode 100644
index 0000000000..92f7dcafac
--- /dev/null
+++ b/challenge-349/mohammad-anwar/perl/ch-1.pl
@@ -0,0 +1,37 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use Test::More;
+
+my @examples = (
+    { in => "textbook"            , exp => 2 },
+    { in => "aaaaa"               , exp => 5 },
+    { in => "hoorayyy"            , exp => 3 },
+    { in => "x"                   , exp => 1 },
+    { in => "aabcccddeeffffghijjk", exp => 4 },
+);
+
+is(power_string($_->{in}), $_->{exp}) for @examples;
+
+done_testing;
+
+sub power_string {
+    my ($s) = @_;
+    return 0 unless length $s;
+
+    my $max   = 1;
+    my $count = 1;
+
+    for my $i (1 .. length($s)-1) {
+        if (substr($s,$i,1) eq substr($s,$i-1,1)) {
+            $count++;
+        } else {
+            $max = $count if $count > $max;
+            $count = 1;
+        }
+    }
+
+    $max = $count if $count > $max;
+    return $max;
+}
diff --git a/challenge-349/mohammad-anwar/python/ch-1.py b/challenge-349/mohammad-anwar/python/ch-1.py
new file mode 100644
index 0000000000..6ae3d30260
--- /dev/null
+++ b/challenge-349/mohammad-anwar/python/ch-1.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+
+def power_string(s: str) -> int:
+    if len(s) == 0:
+        return 0
+
+    max_len = 1
+    count   = 1
+
+    for i in range(1, len(s)):
+        if s[i] == s[i-1]:
+            count += 1
+        else:
+            if count > max_len:
+                max_len = count
+            count = 1
+
+    if count > max_len:
+        max_len = count
+
+    return max_len
+
+
+examples = [
+    {'in': "textbook"            , 'exp': 2},
+    {'in': "aaaaa"               , 'exp': 5},
+    {'in': "hoorayyy"            , 'exp': 3},
+    {'in': "x"                   , 'exp': 1},
+    {'in': "aabcccddeeffffghijjk", 'exp': 4},
+]
+
+for idx, ex in enumerate(examples, 1):
+    result = power_string(ex['in'])
+    assert result == ex['exp']
+
+print("All tests passed.")
diff --git a/challenge-349/mohammad-anwar/raku/ch-1.raku b/challenge-349/mohammad-anwar/raku/ch-1.raku
new file mode 100644
index 0000000000..1c4541bba8
--- /dev/null
+++ b/challenge-349/mohammad-anwar/raku/ch-1.raku
@@ -0,0 +1,34 @@
+#!/usr/bin/env raku
+
+use Test;
+
+my @examples = (
+    { in => "textbook"            , exp => 2 },
+    { in => "aaaaa"               , exp => 5 },
+    { in => "hoorayyy"            , exp => 3 },
+    { in => "x"                   , exp => 1 },
+    { in => "aabcccddeeffffghijjk", exp => 4 },
+);
+
+for @examples -> $ex {
+    is power_string($ex<in>), $ex<exp>;
+}
+
+sub power_string(Str $s) {
+    return 0 if $s.chars == 0;
+
+    my $max   = 1;
+    my $count = 1;
+
+    for 1 ..^ $s.chars -> $i {
+        if $s.substr($i,1) eq $s.substr($i-1,1) {
+            $count++;
+        } else {
+            $max = $count if $count > $max;
+            $count = 1;
+        }
+    }
+
+    $max = $count if $count > $max;
+    return $max;
+}
diff --git a/challenge-349/perlboy1967/perl/ch1.pl b/challenge-349/perlboy1967/perl/ch-1.pl
index 61f9803abc..61f9803abc 100755
--- a/challenge-349/perlboy1967/perl/ch1.pl
+++ b/challenge-349/perlboy1967/perl/ch-1.pl
diff --git a/challenge-349/perlboy1967/perl/ch2.pl b/challenge-349/perlboy1967/perl/ch-2.pl
index 98ba31ac6a..98ba31ac6a 100755
--- a/challenge-349/perlboy1967/perl/ch2.pl
+++ b/challenge-349/perlboy1967/perl/ch-2.pl
diff --git a/stats/pwc-challenge-348.json b/stats/pwc-challenge-348.json
new file mode 100644
index 0000000000..c36587a120
--- /dev/null
+++ b/stats/pwc-challenge-348.json
@@ -0,0 +1,563 @@
+{
+   "chart" : {
+      "type" : "column"
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Ali Moradi",
+            "name" : "Ali Moradi"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Andreas Mahnke",
+            "name" : "Andreas Mahnke"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "BarrOff",
+            "name" : "BarrOff"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Bob Lied",
+            "name" : "Bob Lied"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "E. Choroba",
+            "name" : "E. Choroba"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Kjetil Skotheim",
+            "name" : "Kjetil Skotheim"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  10
+               ]
+            ],
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Matthew Neleigh",
+            "name" : "Matthew Neleigh"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Matthias Muth",
+            "name" : "Matthias Muth"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Mohammad Sajid Anwar",
+            "name" : "Mohammad Sajid Anwar"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Packy Anderson",
+            "name" : "Packy Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Simon Green",
+            "name" : "Simon Green"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc"
+         }
+      ]
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "drilldown" : "Ali Moradi",
+               "name" : "Ali Moradi",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Andreas Mahnke",
+               "name" : "Andreas Mahnke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Andrew Shitov",
+               "name" : "Andrew Shitov",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "drilldown" : "BarrOff",
+               "name" : "BarrOff",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Bob Lied",
+               "name" : "Bob Lied",
+               "y" : 3
+            },
+            {
+               "drilldown" : "David Ferrone",
+               "name" : "David Ferrone",
+               "y" : 2
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Kjetil Skotheim",
+               "name" : "Kjetil Skotheim",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 12
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Matthew Neleigh",
+               "name" : "Matthew Neleigh",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Mohammad Sajid Anwar",
+               "name" : "Mohammad Sajid Anwar",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Packy Anderson",
+               "name" : "Packy Anderson",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Robbie Hatley",
+               "name" : "Robbie Hatley",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Simon Green",
+               "name" : "Simon Green",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc",
+               "y" : 2
+            }
+         ],
+         "name" : "The Weekly Challenge - 348"
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 29] Last updated at 2025-11-24 14:47:43 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 348"
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "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/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 8ed04396d2..604cf0a632 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -9,20 +9,6 @@
                [
                   "Perl",
                   2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Ali Moradi",
-            "name" : "Ali Moradi"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
                ]
             ],
             "id" : "Andreas Mahnke",
@@ -32,7 +18,7 @@
             "data" : [
                [
                   "Raku",
-                  1
+                  2
                ]
             ],
             "id" : "Andrew Shitov",
@@ -41,110 +27,6 @@
          {
             "data" : [
                [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Athanasius",
-            "name" : "Athanasius"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "id" : "BarrOff",
-            "name" : "BarrOff"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Bob Lied",
-            "name" : "Bob Lied"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "David Ferrone",
-            "name" : "David Ferrone"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Jaldhar H. Vyas",
-            "name" : "Jaldhar H. Vyas"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey"
-         },
-         {
-            "data" : [
-               [
                   "Perl",
                   2
                ]
@@ -155,16 +37,6 @@
          {
             "data" : [
                [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch"
-         },
-         {
-            "data" : [
-               [
                   "Raku",
                   2
                ],
@@ -190,30 +62,6 @@
             "data" : [
                [
                   "Perl",
-                  2
-               ]
-            ],
-            "id" : "Matthew Neleigh",
-            "name" : "Matthew Neleigh"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Matthias Muth",
-            "name" : "Matthias Muth"
-         },
-         {
-            "data" : [
-               [
-