- Added solutions by E. Choroba.

- Added solutions by Lubos Kolouch.
- Added solutions by Matthias Muth.

16 files changed, 2515 insertions, 2470 deletions

diff --git a/stats/pwc-challenge-212.json b/stats/pwc-challenge-212.json
index a031fea7c9..84af0ead1c 100644
--- a/stats/pwc-challenge-212.json
+++ b/stats/pwc-challenge-212.json
@@ -1,206 +1,14 @@
 {
-   "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
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 212"
+   "subtitle" : {
+      "text" : "[Champions: 35] Last updated at 2023-04-20 11:11:27 GMT"
    },
    "legend" : {
       "enabled" : 0
    },
-   "subtitle" : {
-      "text" : "[Champions: 34] Last updated at 2023-04-18 18:54:00 GMT"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 3,
-               "name" : "Arne Sommer",
-               "drilldown" : "Arne Sommer"
-            },
-            {
-               "name" : "Athanasius",
-               "y" : 4,
-               "drilldown" : "Athanasius"
-            },
-            {
-               "drilldown" : "Avery Adams",
-               "y" : 4,
-               "name" : "Avery Adams"
-            },
-            {
-               "drilldown" : "Bob Lied",
-               "y" : 2,
-               "name" : "Bob Lied"
-            },
-            {
-               "name" : "Bruce Gray",
-               "y" : 2,
-               "drilldown" : "Bruce Gray"
-            },
-            {
-               "drilldown" : "Carlos Oliveira",
-               "name" : "Carlos Oliveira",
-               "y" : 2
-            },
-            {
-               "name" : "Cheok-Yin Fung",
-               "y" : 2,
-               "drilldown" : "Cheok-Yin Fung"
-            },
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-               "name" : "David Ferrone",
-               "drilldown" : "David Ferrone"
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-            {
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-               "drilldown" : "Duncan C. White"
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-            {
-               "drilldown" : "E. Choroba",
-               "y" : 2,
-               "name" : "E. Choroba"
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-               "drilldown" : "Flavio Poletti"
-            },
-            {
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-               "name" : "Jaldhar H. Vyas",
-               "drilldown" : "Jaldhar H. Vyas"
-            },
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-               "drilldown" : "James Smith",
-               "y" : 3,
-               "name" : "James Smith"
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-               "drilldown" : "Jan Krnavek"
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-               "name" : "Jorg Sommrey",
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-               "name" : "Laurent Rosenfeld",
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-               "name" : "Leo Manfredi"
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-               "drilldown" : "Lubos Kolouch",
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-               "name" : "Lubos Kolouch"
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-               "drilldown" : "Luca Ferrari"
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-               "drilldown" : "Mariano Spadaccini"
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-               "y" : 2,
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "drilldown" : "Matthew Neleigh",
-               "y" : 2,
-               "name" : "Matthew Neleigh"
-            },
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-               "y" : 2,
-               "drilldown" : "Paulo Custodio"
-            },
-            {
-               "y" : 3,
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith"
-            },
-            {
-               "drilldown" : "Peter Meszaros",
-               "y" : 2,
-               "name" : "Peter Meszaros"
-            },
-            {
-               "drilldown" : "Pip Stuart",
-               "name" : "Pip Stuart",
-               "y" : 4
-            },
-            {
-               "name" : "Robbie Hatley",
-               "y" : 3,
-               "drilldown" : "Robbie Hatley"
-            },
-            {
-               "drilldown" : "Robert DiCicco",
-               "name" : "Robert DiCicco",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Robert Ransbottom",
-               "drilldown" : "Robert Ransbottom"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 5,
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "drilldown" : "Simon Green",
-               "name" : "Simon Green",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Solathian",
-               "y" : 1,
-               "name" : "Solathian"
-            },
-            {
-               "y" : 4,
-               "name" : "Thomas Kohler",
-               "drilldown" : "Thomas Kohler"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 212"
-      }
-   ],
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "drilldown" : {
       "series" : [
          {
             "id" : "Arne Sommer",
-            "name" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -210,7 +18,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Arne Sommer"
          },
          {
             "id" : "Athanasius",
@@ -227,6 +36,7 @@
             "name" : "Athanasius"
          },
          {
+            "name" : "Avery Adams",
             "data" : [
                [
                   "Perl",
@@ -237,28 +47,27 @@
                   2
                ]
             ],
-            "name" : "Avery Adams",
             "id" : "Avery Adams"
          },
          {
-            "name" : "Bob Lied",
+            "id" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Bob Lied"
+            "name" : "Bob Lied"
          },
          {
+            "id" : "Bruce Gray",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Bruce Gray",
-            "id" : "Bruce Gray"
+            "name" : "Bruce Gray"
          },
          {
             "id" : "Carlos Oliveira",
@@ -281,37 +90,36 @@
             "name" : "Cheok-Yin Fung"
          },
          {
-            "name" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "David Ferrone"
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
          },
          {
+            "id" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Duncan C. White",
-            "id" : "Duncan C. White"
+            "name" : "Duncan C. White"
          },
          {
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "E. Choroba",
             "id" : "E. Choroba"
          },
          {
-            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -326,10 +134,10 @@
                   2
                ]
             ],
-            "id" : "Flavio Poletti"
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti"
          },
          {
-            "id" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -344,9 +152,11 @@
                   1
                ]
             ],
+            "id" : "Jaldhar H. Vyas",
             "name" : "Jaldhar H. Vyas"
          },
          {
+            "name" : "James Smith",
             "id" : "James Smith",
             "data" : [
                [
@@ -357,18 +167,17 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "James Smith"
+            ]
          },
          {
-            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Jan Krnavek"
+            "id" : "Jan Krnavek"
          },
          {
             "name" : "Jorg Sommrey",
@@ -381,8 +190,8 @@
             "id" : "Jorg Sommrey"
          },
          {
-            "id" : "Laurent Rosenfeld",
             "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -399,27 +208,26 @@
             ]
          },
          {
+            "id" : "Leo Manfredi",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Leo Manfredi",
-            "id" : "Leo Manfredi"
+            "name" : "Leo Manfredi"
          },
          {
             "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Lubos Kolouch"
          },
          {
-            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari",
             "data" : [
                [
@@ -430,37 +238,48 @@
                   "Blog",
                   6
                ]
-            ]
+            ],
+            "id" : "Luca Ferrari"
          },
          {
+            "id" : "Mariano Spadaccini",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Mariano Spadaccini",
-            "id" : "Mariano Spadaccini"
+            "name" : "Mariano Spadaccini"
          },
          {
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            "name" : "Mark Anderson"
          },
          {
+            "name" : "Matthew Neleigh",
             "id" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
+            ]
+         },
+         {
+            "id" : "Matthias Muth",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
             ],
-            "name" : "Matthew Neleigh"
+            "name" : "Matthias Muth"
          },
          {
             "id" : "Paulo Custodio",
@@ -473,7 +292,6 @@
             "name" : "Paulo Custodio"
          },
          {
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -484,19 +302,21 @@
                   1
                ]
             ],
-            "id" : "Peter Campbell Smith"
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
          },
          {
-            "id" : "Peter Meszaros",
-            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
          },
          {
+            "name" : "Pip Stuart",
             "data" : [
                [
                   "Perl",
@@ -507,11 +327,9 @@
                   2
                ]
             ],
-            "name" : "Pip Stuart",
             "id" : "Pip Stuart"
          },
          {
-            "name" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -522,10 +340,10 @@
                   1
                ]
             ],
-            "id" : "Robbie Hatley"
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley"
          },
          {
-            "name" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
@@ -536,20 +354,22 @@
                   1
                ]
             ],
-            "id" : "Robert DiCicco"
+            "id" : "Robert DiCicco",
+            "name" : "Robert DiCicco"
          },
          {
             "id" : "Robert Ransbottom",
-            "name" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Robert Ransbottom"
          },
          {
             "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -563,12 +383,9 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Roger Bell_West"
+            ]
          },
          {
-            "id" : "Simon Green",
-            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -578,11 +395,13 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Simon Green",
+            "name" : "Simon Green"
          },
          {
-            "id" : "Solathian",
             "name" : "Solathian",
+            "id" : "Solathian",
             "data" : [
                [
                   "Perl",
@@ -591,7 +410,7 @@
             ]
          },
          {
-            "name" : "Thomas Kohler",
+            "id" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -602,9 +421,10 @@
                   2
                ]
             ],
-            "id" : "Thomas Kohler"
+            "name" : "Thomas Kohler"
          },
          {
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -615,23 +435,218 @@
                   1
                ]
             ],
-            "name" : "W. Luis Mochan",
-            "id" : "W. Luis Mochan"
+            "name" : "W. Luis Mochan"
          }
       ]
    },
+   "title" : {
+      "text" : "The Weekly Challenge - 212"
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 212",
+         "data" : [
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "name" : "Athanasius",
+               "drilldown" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "y" : 4,
+               "name" : "Avery Adams",
+               "drilldown" : "Avery Adams"
+            },
+            {
+               "y" : 2,
+               "name" : "Bob Lied",
+               "drilldown" : "Bob Lied"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Bruce Gray",
+               "name" : "Bruce Gray"
+            },
+            {
+               "y" : 2,
+               "name" : "Carlos Oliveira",
+               "drilldown" : "Carlos Oliveira"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung"
+            },
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+               "name" : "David Ferrone",
+               "drilldown" : "David Ferrone"
+            },
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+               "drilldown" : "Duncan C. White",
+               "name" : "Duncan C. White",
+               "y" : 2
+            },
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+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
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+               "name" : "Flavio Poletti",
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+            },
+            {
+               "y" : 5,
+               "name" : "Jaldhar H. Vyas",
+               "drilldown" : "Jaldhar H. Vyas"
+            },
+            {
+               "name" : "James Smith",
+               "drilldown" : "James Smith",
+               "y" : 3
+            },
+            {
+               "name" : "Jan Krnavek",
+               "drilldown" : "Jan Krnavek",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 2
+            },
+            {
+               "y" : 6,
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Leo Manfredi",
+               "name" : "Leo Manfredi",
+               "y" : 1
+            },
+            {
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+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch"
+            },
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+               "name" : "Luca Ferrari",
+               "y" : 8
+            },
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+               "name" : "Mariano Spadaccini",
+               "drilldown" : "Mariano Spadaccini",
+               "y" : 1
+            },
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+               "drilldown" : "Mark Anderson",
+               "y" : 2
+            },
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+               "name" : "Matthew Neleigh",
+               "drilldown" : "Matthew Neleigh",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth"
+            },
+            {
+               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "name" : "Peter Meszaros",
+               "drilldown" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Pip Stuart",
+               "name" : "Pip Stuart"
+            },
+            {
+               "name" : "Robbie Hatley",
+               "drilldown" : "Robbie Hatley",
+               "y" : 3
+            },
+            {
+               "y" : 2,
+               "name" : "Robert DiCicco",
+               "drilldown" : "Robert DiCicco"
+            },
+            {
+               "drilldown" : "Robert Ransbottom",
+               "name" : "Robert Ransbottom",
+               "y" : 2
+            },
+            {
+               "y" : 5,
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "y" : 3,
+               "name" : "Simon Green",
+               "drilldown" : "Simon Green"
+            },
+            {
+               "drilldown" : "Solathian",
+               "name" : "Solathian",
+               "y" : 1
+            },
+            {
+               "y" : 4,
+               "name" : "Thomas Kohler",
+               "drilldown" : "Thomas Kohler"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "chart" : {
       "type" : "column"
    }
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 70f8989f12..876fc3aec2 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -2,8 +2,31 @@
    "chart" : {
       "type" : "column"
    },
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 213"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 13] Last updated at 2023-04-20 11:16:19 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
    "series" : [
       {
+         "name" : "The Weekly Challenge - 213",
+         "colorByPoint" : 1,
          "data" : [
             {
                "drilldown" : "David Ferrone",
@@ -11,85 +34,73 @@
                "y" : 2
             },
             {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Laurent Rosenfeld",
                "y" : 3,
-               "name" : "Laurent Rosenfeld",
-               "drilldown" : "Laurent Rosenfeld"
+               "name" : "Laurent Rosenfeld"
             },
             {
-               "y" : 1,
                "drilldown" : "Leo Manfredi",
+               "y" : 1,
                "name" : "Leo Manfredi"
             },
             {
-               "drilldown" : "Luca Ferrari",
+               "drilldown" : "Lubos Kolouch",
+               "y" : 2,
+               "name" : "Lubos Kolouch"
+            },
+            {
                "name" : "Luca Ferrari",
-               "y" : 8
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             },
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-               "drilldown" : "Mariano Spadaccini",
+               "y" : 1,
                "name" : "Mariano Spadaccini",
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+               "drilldown" : "Mariano Spadaccini"
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-               "name" : "Mark Anderson",
                "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
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-               "y" : 2,
                "name" : "Niels van Dijke",
+               "y" : 2,
                "drilldown" : "Niels van Dijke"
             },
             {
                "drilldown" : "Paulo Custodio",
-               "name" : "Paulo Custodio",
-               "y" : 2
+               "y" : 2,
+               "name" : "Paulo Custodio"
             },
             {
                "drilldown" : "Robert DiCicco",
-               "name" : "Robert DiCicco",
-               "y" : 2
+               "y" : 2,
+               "name" : "Robert DiCicco"
             },
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-               "drilldown" : "Roger Bell_West",
+               "y" : 4,
                "name" : "Roger Bell_West",
-               "y" : 4
+               "drilldown" : "Roger Bell_West"
             },
             {
-               "y" : 3,
                "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan"
+               "name" : "W. Luis Mochan",
+               "y" : 3
             }
-         ],
-         "name" : "The Weekly Challenge - 213",
-         "colorByPoint" : 1
+         ]
       }
    ],
-   "legend" : {
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-   },
-   "plotOptions" : {
-      "series" : {
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-         "dataLabels" : {
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-            "format" : "{point.y}"
-         }
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-   },
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-      "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/>"
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
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-   "title" : {
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    "drilldown" : {
       "series" : [
          {
@@ -99,8 +110,18 @@
                   2
                ]
             ],
-            "id" : "David Ferrone",
-            "name" : "David Ferrone"
+            "name" : "David Ferrone",
+            "id" : "David Ferrone"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
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+            "name" : "E. Choroba",
+            "id" : "E. Choroba"
          },
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             "data" : [
@@ -121,16 +142,27 @@
             "name" : "Laurent Rosenfeld"
          },
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+            "name" : "Leo Manfredi",
             "id" : "Leo Manfredi",
             "data" : [
                [
                   "Perl",
                   1
                ]
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-            "name" : "Leo Manfredi"
+            ]
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+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch",
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+                  "Perl",
+                  2
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             "name" : "Luca Ferrari",
             "data" : [
                [
@@ -141,28 +173,27 @@
                   "Blog",
                   6
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-            "id" : "Luca Ferrari"
+            ]
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+            "id" : "Mariano Spadaccini",
+            "name" : "Mariano Spadaccini",
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                   "Perl",
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-            ],
-            "id" : "Mariano Spadaccini",
-            "name" : "Mariano Spadaccini"
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-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
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-            "name" : "Mark Anderson"
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             "name" : "Niels van Dijke",
@@ -175,18 +206,16 @@
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                   "Perl",
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                ]
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