- Added solutions by Mark Anderson.

- Added solutions by Luca Ferrari.
- Added solutions by Niels van Dijke.
- Added solutions by Mariano Spadaccini.
- Added solutions by Stephen G. Lynn.
- Added solutions by David Ferrone.
- Added solutions by Rawley Fowler.
- Added solutions by Dave Jacoby.
- Added solutions by Thomas Kohler.
- Added solutions by Roger Bell_West.
- Added solutions by E. Choroba.
- Added solutions by W. Luis Mochan.
- Added solutions by Ali Moradi.
- Added solutions by Peter Campbell Smith.
- Added solutions by Bob Lied.
- Added solutions by Robert Ransbottom.
- Added solutions by Robert DiCicco.

16 files changed, 2342 insertions, 1957 deletions

diff --git a/stats/pwc-challenge-198.json b/stats/pwc-challenge-198.json
new file mode 100644
index 0000000000..a00eae3a49
--- /dev/null
+++ b/stats/pwc-challenge-198.json
@@ -0,0 +1,680 @@
+{
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 198"
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 198",
+         "data" : [
+            {
+               "drilldown" : "Adam Russell",
+               "y" : 4,
+               "name" : "Adam Russell"
+            },
+            {
+               "drilldown" : "Ali Moradi",
+               "name" : "Ali Moradi",
+               "y" : 4
+            },
+            {
+               "y" : 2,
+               "name" : "Andrew Grangaard",
+               "drilldown" : "Andrew Grangaard"
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "y" : 2,
+               "name" : "Bob Lied",
+               "drilldown" : "Bob Lied"
+            },
+            {
+               "drilldown" : "Bruce Gray",
+               "y" : 2,
+               "name" : "Bruce Gray"
+            },
+            {
+               "drilldown" : "Carlos Oliveira",
+               "name" : "Carlos Oliveira",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Colin Crain",
+               "y" : 2,
+               "name" : "Colin Crain"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 3,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "David Ferrone",
+               "y" : 4,
+               "name" : "David Ferrone"
+            },
+            {
+               "drilldown" : "Duncan C. White",
+               "name" : "Duncan C. White",
+               "y" : 2
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "y" : 2,
+               "name" : "Feng Chang"
+            },
+            {
+               "y" : 6,
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti"
+            },
+            {
+               "name" : "James Smith",
+               "y" : 3,
+               "drilldown" : "James Smith"
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Jorg Sommrey",
+               "drilldown" : "Jorg Sommrey"
+            },
+            {
+               "y" : 5,
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "y" : 8,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "y" : 2,
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "y" : 2,
+               "name" : "Marton Polgar",
+               "drilldown" : "Marton Polgar"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 2,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Pip Stuart",
+               "y" : 2,
+               "name" : "Pip Stuart"
+            },
+            {
+               "name" : "Rawley Fowler",
+               "y" : 2,
+               "drilldown" : "Rawley Fowler"
+            },
+            {
+               "drilldown" : "Robbie Hatley",
+               "y" : 3,
+               "name" : "Robbie Hatley"
+            },
+            {
+               "drilldown" : "Robert DiCicco",
+               "name" : "Robert DiCicco",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Simon Green",
+               "y" : 3,
+               "name" : "Simon Green"
+            },
+            {
+               "y" : 2,
+               "name" : "Solathian",
+               "drilldown" : "Solathian"
+            },
+            {
+               "drilldown" : "Stephen G. Lynn",
+               "y" : 5,
+               "name" : "Stephen G. Lynn"
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4,
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan"
+            }
+         ]
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 36] Last updated at 2023-01-10 18:29:22 GMT"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "name" : "Adam Russell",
+            "id" : "Adam Russell",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Ali Moradi",
+            "id" : "Ali Moradi",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Andrew Grangaard",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Andrew Grangaard"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "name" : "Bob Lied",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Bob Lied"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Bruce Gray",
+            "name" : "Bruce Gray"
+         },
+         {
+            "name" : "Carlos Oliveira",
+            "id" : "Carlos Oliveira",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Cheok-Yin Fung",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Cheok-Yin Fung"
+         },
+         {
+            "name" : "Colin Crain",
+            "id" : "Colin Crain",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "id" : "David Ferrone",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "David Ferrone"
+         },
+         {
+            "name" : "Duncan C. White",
+            "id" : "Duncan C. White",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "E. Choroba",
+            "id" : "E. Choroba",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
+         },
+         {
+            "name" : "Flavio Poletti",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Flavio Poletti"
+         },
+         {
+            "name" : "James Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "James Smith"
+         },
+         {
+            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "name" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  6
+               ]
+            ],
+            "id" : "Luca Ferrari"
+         },
+         {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Marton Polgar",
+            "id" : "Marton Polgar",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Niels van Dijke"
+         },
+         {
+            "name" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Peter Campbell Smith"
+         },
+         {
+            "id" : "Pip Stuart",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Pip Stuart"
+         },
+         {
+            "name" : "Rawley Fowler",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Rawley Fowler"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley"
+         },
+         {
+            "id" : "Robert DiCicco",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "name" : "Robert DiCicco"
+         },
+         {
+            "name" : "Roger Bell_West",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West"
+         },
+         {
+            "name" : "Simon Green",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Simon Green"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Solathian",
+            "name" : "Solathian"
+         },
+         {
+            "id" : "Stephen G. Lynn",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Stephen G. Lynn"
+         },
+         {
+            "name" : "Thomas Kohler",
+            "id" : "Thomas Kohler",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
+         }
+      ]
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "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
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 4197e0a6ba..5135cf6873 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,62 +1,19 @@
 {
-   "chart" : {
-      "type" : "column"
+   "title" : {
+      "text" : "The Weekly Challenge - 199"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "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
    },
    "drilldown" : {
       "series" : [
          {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "id" : "Adam Russell",
-            "name" : "Adam Russell"
-         },
-         {
-            "name" : "Ali Moradi",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Ali Moradi"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Andrew Grangaard",
-            "name" : "Andrew Grangaard"
-         },
-         {
-            "name" : "Arne Sommer",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Arne Sommer"
-         },
-         {
+            "id" : "Ali Moradi",
             "data" : [
                [
                   "Perl",
@@ -67,60 +24,20 @@
                   2
                ]
             ],
-            "id" : "Athanasius",
-            "name" : "Athanasius"
+            "name" : "Ali Moradi"
          },
          {
-            "name" : "Bob Lied",
             "id" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
-         },
-         {
-            "name" : "Bruce Gray",
-            "id" : "Bruce Gray",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Carlos Oliveira",
-            "name" : "Carlos Oliveira"
-         },
-         {
-            "name" : "Cheok-Yin Fung",
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ]
-            ],
-            "id" : "Cheok-Yin Fung"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
             ],
-            "id" : "Colin Crain",
-            "name" : "Colin Crain"
+            "name" : "Bob Lied"
          },
          {
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -131,11 +48,10 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby"
          },
          {
-            "name" : "David Ferrone",
+            "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
@@ -146,17 +62,7 @@
                   2
                ]
             ],
-            "id" : "David Ferrone"
-         },
-         {
-            "name" : "Duncan C. White",
-            "id" : "Duncan C. White",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ]
+            "name" : "David Ferrone"
          },
          {
             "data" : [
@@ -169,74 +75,14 @@
             "name" : "E. Choroba"
          },
          {
-            "id" : "Flavio Poletti",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "name" : "Flavio Poletti"
-         },
-         {
-            "name" : "James Smith",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "James Smith"
-         },
-         {
-            "name" : "Jan Krnavek",
-            "id" : "Jan Krnavek",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ]
-         },
-         {
-            "id" : "Jorg Sommrey",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "Jorg Sommrey"
-         },
-         {
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
-                  "Perl",
-                  2
-               ],
-               [
                   "Raku",
                   2
-               ],
-               [
-                  "Blog",
-                  1
                ]
             ],
-            "name" : "Laurent Rosenfeld"
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
          },
          {
             "name" : "Luca Ferrari",
@@ -263,28 +109,16 @@
             "name" : "Mark Anderson"
          },
          {
-            "name" : "Marton Polgar",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Marton Polgar"
-         },
-         {
-            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Niels van Dijke"
+            "name" : "Niels van Dijke"
          },
          {
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -294,41 +128,19 @@
                   "Blog",
                   1
                ]
-            ]
-         },
-         {
-            "name" : "Pip Stuart",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
             ],
-            "id" : "Pip Stuart"
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
+            "name" : "Rawley Fowler",
             "id" : "Rawley Fowler",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Rawley Fowler"
-         },
-         {
-            "id" : "Robbie Hatley",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Robbie Hatley"
+            ]
          },
          {
             "id" : "Robert DiCicco",
@@ -345,46 +157,28 @@
             "name" : "Robert DiCicco"
          },
          {
+            "id" : "Robert Ransbottom",
             "data" : [
                [
-                  "Perl",
-                  2
-               ],
-               [
                   "Raku",
                   2
-               ],
-               [
-                  "Blog",
-                  1
                ]
             ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
+            "name" : "Robert Ransbottom"
          },
          {
-            "name" : "Simon Green",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
                   2
                ],
                [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Simon Green"
-         },
-         {
-            "name" : "Solathian",
-            "id" : "Solathian",
-            "data" : [
-               [
-                  "Perl",
+                  "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Roger Bell_West"
          },
          {
             "id" : "Stephen G. Lynn",
@@ -405,6 +199,7 @@
             "name" : "Stephen G. Lynn"
          },
          {
+            "name" : "Thomas Kohler",
             "id" : "Thomas Kohler",
             "data" : [
                [
@@ -415,25 +210,11 @@
                   "Blog",
                   2
                ]
-            ],
-            "name" : "Thomas Kohler"
-         },
-         {
-            "id" : "Ulrich Rieke",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "name" : "Ulrich Rieke"
+            ]
          },
          {
             "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -443,223 +224,124 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "W. Luis Mochan"
+            ]