- Added solutions by Mark Anderson.

- Added solutions by Luca Ferrari.
- Added solutions by Leo Manfredi.
- Added solutions by James Smith.
- Added solutions by Feng Chang.
- Added solutions by Niels van Dijke.

16 files changed, 2587 insertions, 2418 deletions

diff --git a/stats/pwc-challenge-215.json b/stats/pwc-challenge-215.json
new file mode 100644
index 0000000000..b2ceb43809
--- /dev/null
+++ b/stats/pwc-challenge-215.json
@@ -0,0 +1,699 @@
+{
+   "xAxis" : {
+      "type" : "category"
+   },
+   "series" : [
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+         "colorByPoint" : 1,
+         "data" : [
+            {
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+               "y" : 4,
+               "drilldown" : "Ali Moradi"
+            },
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+               "name" : "Arne Sommer",
+               "y" : 3,
+               "drilldown" : "Arne Sommer"
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+               "name" : "Athanasius",
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+               "drilldown" : "Avery Adams",
+               "name" : "Avery Adams",
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+               "name" : "BarrOff",
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+               "drilldown" : "Bob Lied",
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+               "name" : "Bob Lied"
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+               "drilldown" : "Bruce Gray"
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+               "drilldown" : "Carlos Oliveira"
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+               "name" : "David Ferrone"
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+               "drilldown" : "E. Choroba"
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+               "drilldown" : "Jaldhar H. Vyas"
+            },
+            {
+               "y" : 3,
+               "name" : "James Smith",
+               "drilldown" : "James Smith"
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+            {
+               "drilldown" : "Jan Krnavek",
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+               "name" : "Robert DiCicco"
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+               "y" : 2,
+               "drilldown" : "Robert Ransbottom"
+            },
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+               "drilldown" : "Roger Bell_West",
+               "y" : 5,
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+               "drilldown" : "Simon Green"
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+               "name" : "Stephen G. Lynn",
+               "drilldown" : "Stephen G. Lynn"
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+               "name" : "Thomas Kohler",
+               "drilldown" : "Thomas Kohler"
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
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+            "name" : "Avery Adams"
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+            "name" : "Carlos Oliveira"
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+            "data" : [
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+            "id" : "E. Choroba",
+            "data" : [
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+                  2
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+         {
+            "name" : "Feng Chang",
+            "id" : "Feng Chang",
+            "data" : [
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+                  "Raku",
+                  2
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+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
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+               [
+                  "Raku",
+                  2
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+               [
+                  "Blog",
+                  2
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+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti"
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+         {
+            "name" : "Jaldhar H. Vyas",
+            "id" : "Jaldhar H. Vyas",
+            "data" : [
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+                  "Perl",
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+               [
+                  "Raku",
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+               [
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+            "id" : "James Smith",
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+                  2
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+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
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+         {
+            "name" : "Jorg Sommrey",
+            "data" : [
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+                  2
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+            "id" : "Jorg Sommrey"
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+         {
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+                  "Perl",
+                  1
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+            "id" : "Lance Wicks",
+            "name" : "Lance Wicks"
+         },
+         {
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
+            "data" : [
+               [
+                  "Perl",
+                  2
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+               [
+                  "Raku",
+                  2
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+               [
+                  "Blog",
+                  1
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+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
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+            "id" : "Leo Manfredi",
+            "name" : "Leo Manfredi"
+         },
+         {
+            "data" : [
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+                  2
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+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  6
+               ]
+            ],
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
+         },
+         {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
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+         },
+         {
+            "name" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  2
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+            "id" : "Niels van Dijke"
+         },
+         {
+            "name" : "Paulo Custodio",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Paulo Custodio"
+         },
+         {
+            "id" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Peter Campbell Smith"
+         },
+         {
+            "id" : "RibTips",
+            "data" : [
+               [
+                  "Perl",
+                  2
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+            ],
+            "name" : "RibTips"
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+            "data" : [
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+                  "Perl",
+                  2
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+               [
+                  "Blog",
+                  1
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+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley"
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+         {
+            "id" : "Robert DiCicco",
+            "data" : [
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+                  2
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+               [
+                  "Raku",
+                  2
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+            "name" : "Robert DiCicco"
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+            "name" : "Robert Ransbottom",
+            "data" : [
+               [
+                  "Raku",
+                  2
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+            "id" : "Robert Ransbottom"
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+            "name" : "Roger Bell_West",
+            "data" : [
+               [
+                  "Perl",
+                  2
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+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
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+            "id" : "Roger Bell_West"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Simon Green",
+            "name" : "Simon Green"
+         },
+         {
+            "name" : "Solathian",
+            "id" : "Solathian",
+            "data" : [
+               [
+                  "Perl",
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+               [
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+                  2
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+               [
+                  "Blog",
+                  2
+               ]
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+            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler"
+         },
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+            "name" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Ulrich Rieke"
+         },
+         {
+            "id" : "W. Luis Mochan",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "W. Luis Mochan"
+         }
+      ]
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 215"
+   },
+   "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/>"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 37] Last updated at 2023-05-09 20:18:11 GMT"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
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+            "format" : "{point.y}"
+         }
+      }
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 4eca65d473..af1b112af2 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,269 +1,84 @@
 {
    "title" : {
-      "text" : "The Weekly Challenge - 215"
-   },
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-      "type" : "category"
-   },
-   "tooltip" : {
-      "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/>",
-      "followPointer" : 1
-   },
-   "legend" : {
-      "enabled" : 0
+      "text" : "The Weekly Challenge - 216"
    },
+   "series" : [
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+            {
+               "y" : 2,
+               "name" : "Feng Chang",
+               "drilldown" : "Feng Chang"
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+               "y" : 3,
+               "drilldown" : "James Smith"
+            },
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+               "name" : "Leo Manfredi",
+               "drilldown" : "Leo Manfredi"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "y" : 8,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "y" : 2,
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 1,
+               "drilldown" : "Niels van Dijke"
+            }
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+         "name" : "The Weekly Challenge - 216",
+         "colorByPoint" : 1
+      }
+   ],
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "subtitle" : {
-      "text" : "[Champions: 37] Last updated at 2023-05-08 05:40:15 GMT"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
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-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "E. Choroba"
-         },
-         {
             "name" : "Feng Chang",
+            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
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-            "id" : "Feng Chang"
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-         {
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-            "id" : "Flavio Poletti"
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-            "data" : [
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-               [
-                  "Raku",
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-               [
-                  "Blog",
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-            "name" : "Jaldhar H. Vyas"
-         },
-         {
-            "name" : "James Smith",
-            "id" : "James Smith",
-            "data" : [
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-                  "Perl",
-                  2
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-                  "Perl",
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-         {
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-            "data" : [
-               [
-                  "Perl",
-                  1
-               ]
-            ],
-            "id" : "Lance Wicks"
-         },
-         {
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
                   2
                ],
                [
-                  "Raku",
-                  2
-               ],
-               [
                   "Blog",
                   1
                ]
             ],
-            "name" : "Laurent Rosenfeld"
+            "id" : "James Smith",
+            "name" : "James Smith"
          },
          {
             "id" : "Leo Manfredi",
@@ -276,16 +91,8 @@
             "name" : "Leo Manfredi"
          },
          {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch"
-         },
-         {
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -295,405 +102,45 @@
                   "Blog",
                   6
                ]
-            ],
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari"
+            ]
          },
          {
+            "name" : "Mark Anderson",
             "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Mark Anderson"
-         },
-         {
-            "name" : "Niels van Dijke",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Niels van Dijke"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Paulo Custodio",
-            "name" : "Paulo Custodio"
-         },
-         {
-            "id" : "Peter Campbell Smith",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Peter Campbell Smith"
-         },
-         {
-            "id" : "RibTips",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "RibTips"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-