- Added solutions by Niels van Dijke.

- Added solutions by Peter Campbell Smith.
- Added solutions by Mark Anderson.
- Added solutions by Ali Moradi.
- Added solutions by David Ferrone.
- Added solutions by Leo Manfredi.
- Added solutions by W. Luis Mochan.
- Added solutions by Thomas Kohler.
- Added solutions by Stephen G. Lynn.
- Added solutions by Robert DiCicco.

16 files changed, 3030 insertions, 2785 deletions

diff --git a/stats/pwc-challenge-216.json b/stats/pwc-challenge-216.json
new file mode 100644
index 0000000000..27723919f8
--- /dev/null
+++ b/stats/pwc-challenge-216.json
@@ -0,0 +1,593 @@
+{
+   "title" : {
+      "text" : "The Weekly Challenge - 216"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "name" : "Arne Sommer",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer"
+         },
+         {
+            "id" : "Avery Adams",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Avery Adams"
+         },
+         {
+            "name" : "BarrOff",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "BarrOff"
+         },
+         {
+            "id" : "Bruce Gray",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Bruce Gray"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "David Ferrone",
+            "id" : "David Ferrone"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Duncan C. White",
+            "id" : "Duncan C. White"
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+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "E. Choroba",
+            "id" : "E. Choroba"
+         },
+         {
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+            "name" : "Feng Chang",
+            "data" : [
+               [
+                  "Raku",
+                  2
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+         {
+            "name" : "Flavio Poletti",
+            "data" : [
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+                  "Perl",
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+               ],
+               [
+                  "Raku",
+                  2
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+                  "Blog",
+                  2
+               ]
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+            "id" : "Flavio Poletti"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
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+            "name" : "Jaldhar H. Vyas",
+            "id" : "Jaldhar H. Vyas"
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+                  "Blog",
+                  1
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+            ],
+            "name" : "James Smith",
+            "id" : "James Smith"
+         },
+         {
+            "id" : "Jan Krnavek",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "name" : "Jan Krnavek"
+         },
+         {
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
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+         },
+         {
+            "name" : "Laurent Rosenfeld",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Laurent Rosenfeld"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Leo Manfredi",
+            "id" : "Leo Manfredi"
+         },
+         {
+            "name" : "Lubos Kolouch",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch"
+         },
+         {
+            "id" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  6
+               ]
+            ],
+            "name" : "Luca Ferrari"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson"
+         },
+         {
+            "name" : "Matthias Muth",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Matthias Muth"
+         },
+         {
+            "id" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Niels van Dijke"
+         },
+         {
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "RibTips",
+            "id" : "RibTips"
+         },
+         {
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
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+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "name" : "Robert DiCicco",
+            "id" : "Robert DiCicco"
+         },
+         {
+            "id" : "Roger Bell_West",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Roger Bell_West"
+         },
+         {
+            "id" : "Shimon Bollinger",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Shimon Bollinger"
+         },
+         {
+            "name" : "Simon Green",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Simon Green"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Solathian",
+            "id" : "Solathian"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Thomas Kohler",
+            "id" : "Thomas Kohler"
+         },
+         {
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan"
+         }
+      ]
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 31] Last updated at 2023-05-16 11:28:38 GMT"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "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/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
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+   "series" : [
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+            {
+               "name" : "Arne Sommer",
+               "y" : 3,
+               "drilldown" : "Arne Sommer"
+            },
+            {
+               "drilldown" : "Avery Adams",
+               "y" : 3,
+               "name" : "Avery Adams"
+            },
+            {
+               "name" : "BarrOff",
+               "y" : 1,
+               "drilldown" : "BarrOff"
+            },
+            {
+               "drilldown" : "Bruce Gray",
+               "name" : "Bruce Gray",
+               "y" : 2
+            },
+            {
+               "name" : "David Ferrone",
+               "y" : 2,
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "name" : "Duncan C. White",
+               "y" : 2,
+               "drilldown" : "Duncan C. White"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "name" : "Feng Chang",
+               "y" : 2
+            },
+            {
+               "y" : 6,
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "drilldown" : "James Smith",
+               "y" : 3,
+               "name" : "James Smith"
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek",
+               "y" : 1
+            },
+            {
+               "name" : "Jorg Sommrey",
+               "y" : 1,
+               "drilldown" : "Jorg Sommrey"
+            },
+            {
+               "drilldown" : "Laurent Rosenfeld",
+               "y" : 3,
+               "name" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Leo Manfredi",
+               "y" : 1,
+               "name" : "Leo Manfredi"
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "y" : 2,
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 8
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "name" : "RibTips",
+               "y" : 2,
+               "drilldown" : "RibTips"
+            },
+            {
+               "name" : "Robbie Hatley",
+               "y" : 3,
+               "drilldown" : "Robbie Hatley"
+            },
+            {
+               "drilldown" : "Robert DiCicco",
+               "name" : "Robert DiCicco",
+               "y" : 2
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "name" : "Shimon Bollinger",
+               "y" : 2,
+               "drilldown" : "Shimon Bollinger"
+            },
+            {
+               "name" : "Simon Green",
+               "y" : 3,
+               "drilldown" : "Simon Green"
+            },
+            {
+               "name" : "Solathian",
+               "y" : 1,
+               "drilldown" : "Solathian"
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "y" : 4,
+               "name" : "Thomas Kohler"
+            },
+            {
+               "y" : 3,
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "name" : "The Weekly Challenge - 216"
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 49d725521a..aeff66fb54 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,177 +1,20 @@
 {
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "xAxis" : {
-      "type" : "category"
+   "legend" : {
+      "enabled" : 0
    },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 216",
-         "data" : [
-            {
-               "y" : 3,
-               "drilldown" : "Arne Sommer",
-               "name" : "Arne Sommer"
-            },
-            {
-               "drilldown" : "Avery Adams",
-               "y" : 3,
-               "name" : "Avery Adams"
-            },
-            {
-               "drilldown" : "BarrOff",
-               "y" : 1,
-               "name" : "BarrOff"
-            },
-            {
-               "name" : "Bruce Gray",
-               "drilldown" : "Bruce Gray",
-               "y" : 2
-            },
-            {
-               "drilldown" : "David Ferrone",
-               "y" : 2,
-               "name" : "David Ferrone"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Duncan C. White",
-               "name" : "Duncan C. White"
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "y" : 2,
-               "name" : "E. Choroba"
-            },
-            {
-               "drilldown" : "Feng Chang",
-               "y" : 2,
-               "name" : "Feng Chang"
-            },
-            {
-               "y" : 6,
-               "drilldown" : "Flavio Poletti",
-               "name" : "Flavio Poletti"
-            },
-            {
-               "name" : "Jaldhar H. Vyas",
-               "y" : 5,
-               "drilldown" : "Jaldhar H. Vyas"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "James Smith",
-               "name" : "James Smith"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek"
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "y" : 1,
-               "name" : "Jorg Sommrey"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Leo Manfredi",
-               "name" : "Leo Manfredi"
-            },
-            {
-               "drilldown" : "Lubos Kolouch",
-               "y" : 2,
-               "name" : "Lubos Kolouch"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari",
-               "y" : 8
-            },
-            {
-               "name" : "Mark Anderson",
-               "y" : 2,
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "name" : "Matthias Muth",
-               "y" : 2,
-               "drilldown" : "Matthias Muth"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 1,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "name" : "RibTips",
-               "drilldown" : "RibTips",
-               "y" : 2
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Robbie Hatley",
-               "name" : "Robbie Hatley"
-            },
-            {
-               "name" : "Robert DiCicco",
-               "drilldown" : "Robert DiCicco",
-               "y" : 2
-            },
-            {
-               "y" : 5,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Shimon Bollinger",
-               "name" : "Shimon Bollinger"
-            },
-            {
-               "drilldown" : "Simon Green",
-               "y" : 3,
-               "name" : "Simon Green"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Solathian",
-               "name" : "Solathian"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Thomas Kohler",
-               "name" : "Thomas Kohler"
-            },
-            {
-               "name" : "Ulrich Rieke",
-               "y" : 3,
-               "drilldown" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
       }
-   ],
-   "title" : {
-      "text" : "The Weekly Challenge - 216"
+   },
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
    },
    "yAxis" : {
       "title" : {
@@ -179,132 +22,13 @@
       }
    },
    "subtitle" : {
-      "text" : "[Champions: 31] Last updated at 2023-05-15 04:02:44 GMT"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : 0
+      "text" : "[Champions: 10] Last updated at 2023-05-16 11:33:28 GMT"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Arne Sommer",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Arne Sommer"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "id" : "Avery Adams",
-            "name" : "Avery Adams"
-         },
-         {
-            "id" : "BarrOff",
-            "data" : [
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "name" : "BarrOff"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Bruce Gray",
-            "name" : "Bruce Gray"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "David Ferrone",
-            "name" : "David Ferrone"
-         },
-         {
-            "id" : "Duncan C. White",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "Duncan C. White"
-         },
-         {
-            "id" : "E. Choroba",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "E. Choroba"
-         },
-         {
-            "name" : "Feng Chang",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Feng Chang"
-         },
-         {
-            "id" : "Flavio Poletti",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "name" : "Flavio Poletti"
-         },
-         {
+            "name" : "Ali Moradi",
+            "id" : "Ali Moradi",
             "data" : [
                [
                   "Perl",
@@ -313,100 +37,28 @@
                [
                   "Raku",
                   2
-               ],
-               [
-                  "Blog",
-                  1
                ]
-            ],
-            "id" : "Jaldhar H. Vyas",
-            "name" : "Jaldhar H. Vyas"
+            ]
          },
          {
-            "name" : "James Smith",
+            "name" : "David Ferrone",
+            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "James Smith"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "id" : "Jan Krnavek",
-            "name" : "Jan Krnavek"
-         },
-         {
-            "name" : "Jorg Sommrey",
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ]
-            ],
-            "id" : "Jorg Sommrey"
-         },
-         {
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld",
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ],
-               [
-                  "Raku",
-                  1
-               ],
-               [
-                  "Blog",
-                  1
                ]
             ]
          },
          {
-            "name" : "Leo Manfredi",
-            "id" : "Leo Manfredi",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch"
-         },
-         {
-            "id" : "Luca Ferrari",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  6
-               ]
             ],
-            "name" : "Luca Ferrari"
+            "id" : "Leo Manfredi",
+            "name" : "Leo Manfredi"
          },
          {
             "data" : [
@@ -419,48 +71,14 @@
             "name" : "Mark Anderson"
          },
          {
-            "id" : "Matthias Muth",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "Matthias Muth"
-         },
-         {
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
-                  1
-               ]
-            ]
-         },
-         {
-            "id" : "Peter Campbell Smith",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Peter Campbell Smith"
-         },
-         {
-            "id" : "RibTips",
-            "data" : [
-               [
-                  "Perl",
                   2
                ]
             ],
-            "name" : "RibTips"
+            "name" : "Niels van Dijke"
          },
          {
             "data" : [
@@ -473,25 +91,11 @@
                   1
                ]
             ],
-            "id" : "Robbie Hatley",
-            "name" : "Robbie Hatley"
-         },
-         {
-            "id" : "Robert DiCicco",
-            "data" : [
-               [
-                  "Per