- Added solution by Alexander Karelas.

15 files changed, 2050 insertions, 2035 deletions

diff --git a/challenge-147/alexander-karelas/perl/ch2.pl b/challenge-147/alexander-karelas/perl/ch-2.pl
index b6548da74a..b6548da74a 100755
--- a/challenge-147/alexander-karelas/perl/ch2.pl
+++ b/challenge-147/alexander-karelas/perl/ch-2.pl
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 374383ef39..1163035998 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,20 +1,36 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
       }
    },
-   "legend" : {
-      "enabled" : 0
+   "xAxis" : {
+      "type" : "category"
    },
    "chart" : {
       "type" : "column"
    },
+   "subtitle" : {
+      "text" : "[Champions: 8] Last updated at 2022-01-12 09:33:50 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Alexander Karelas",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Alexander Karelas"
+         },
+         {
             "name" : "James Smith",
-            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -24,9 +40,12 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "James Smith"
          },
          {
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -36,19 +55,17 @@
                   "Blog",
                   5
                ]
-            ],
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari"
+            ]
          },
          {
             "name" : "Mark Anderson",
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Mark Anderson"
          },
          {
             "name" : "Mohammad S Anwar",
@@ -66,6 +83,7 @@
          },
          {
             "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -79,20 +97,21 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Roger Bell_West"
+            ]
          },
          {
-            "id" : "Simon Proctor",
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Simon Proctor"
+            "id" : "Simon Proctor"
          },
          {
+            "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -102,76 +121,72 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            ]
          }
       ]
    },
+   "title" : {
+      "text" : "The Weekly Challenge - 147"
+   },
+   "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/>"
+   },
    "series" : [
       {
          "name" : "The Weekly Challenge - 147",
          "colorByPoint" : 1,
          "data" : [
             {
+               "name" : "Alexander Karelas",
+               "drilldown" : "Alexander Karelas",
+               "y" : 1
+            },
+            {
                "drilldown" : "James Smith",
                "y" : 3,
                "name" : "James Smith"
             },
             {
-               "name" : "Luca Ferrari",
                "y" : 7,
-               "drilldown" : "Luca Ferrari"
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
             },
             {
+               "name" : "Mark Anderson",
                "drilldown" : "Mark Anderson",
-               "y" : 2,
-               "name" : "Mark Anderson"
+               "y" : 2
             },
             {
+               "name" : "Mohammad S Anwar",
                "drilldown" : "Mohammad S Anwar",
-               "y" : 2,
-               "name" : "Mohammad S Anwar"
+               "y" : 2
             },
             {
-               "drilldown" : "Roger Bell_West",
                "name" : "Roger Bell_West",
-               "y" : 5
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
             },
             {
-               "y" : 2,
                "name" : "Simon Proctor",
+               "y" : 2,
                "drilldown" : "Simon Proctor"
             },
             {
                "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan"
             }
          ]
       }
    ],
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 7] Last updated at 2022-01-12 09:25:40 GMT"
-   },
-   "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
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 147"
+   "legend" : {
+      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 546bad9805..1636229dea 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,21 +1,15 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
+      },
+      "min" : 0
    },
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
    "subtitle" : {
-      "text" : "Last updated at 2022-01-12 09:25:40 GMT"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+      "text" : "Last updated at 2022-01-12 09:33:50 GMT"
    },
    "xAxis" : {
       "labels" : {
@@ -29,6 +23,9 @@
    "chart" : {
       "type" : "column"
    },
+   "legend" : {
+      "enabled" : "false"
+   },
    "series" : [
       {
          "data" : [
@@ -38,26 +35,29 @@
             ],
             [
                "Perl",
-               7064
+               7065
             ],
             [
                "Raku",
                4260
             ]
          ],
+         "name" : "Contributions",
          "dataLabels" : {
+            "enabled" : "true",
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "color" : "#FFFFFF",
-            "y" : 10,
-            "rotation" : -90,
-            "align" : "right",
             "format" : "{point.y:.0f}",
-            "enabled" : "true"
-         },
-         "name" : "Contributions"
+            "rotation" : -90,
+            "y" : 10,
+            "color" : "#FFFFFF",
+            "align" : "right"
+         }
       }
-   ]
+   ],
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 6ffc24bee1..adb483623b 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,773 +1,8 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge Language"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : "true",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>"
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2022-01-12 09:25:40 GMT"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge Languages",
-         "data" : [
-            {
-               "y" : 161,
-               "name" : "#001",
-               "drilldown" : "001"
-            },
-            {
-               "drilldown" : "002",
-               "y" : 125,
-               "name" : "#002"
-            },
-            {
-               "drilldown" : "003",
-               "name" : "#003",
-               "y" : 83
-            },
-            {
-               "name" : "#004",
-               "y" : 99,
-               "drilldown" : "004"
-            },
-            {
-               "drilldown" : "005",
-               "name" : "#005",
-               "y" : 78
-            },
-            {
-               "y" : 58,
-               "name" : "#006",
-               "drilldown" : "006"
-            },
-            {
-               "y" : 64,
-               "name" : "#007",
-               "drilldown" : "007"
-            },
-            {
-               "drilldown" : "008",
-               "y" : 78,
-               "name" : "#008"
-            },
-            {
-               "drilldown" : "009",
-               "name" : "#009",
-               "y" : 76
-            },
-            {
-               "drilldown" : "010",
-               "y" : 65,
-               "name" : "#010"
-            },
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-               "name" : "#011",
-               "drilldown" : "011"
-            },
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-               "name" : "#012",
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-            },
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-               "drilldown" : "014"
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-               "drilldown" : "018",
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-               "name" : "#018"
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-               "name" : "#020"
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-               "drilldown" : "021"
-            },
-            {
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-               "y" : 68,
-               "name" : "#022"
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-            {
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-               "y" : 97,
-               "drilldown" : "023"
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-            {
-               "drilldown" : "024",
-               "name" : "#024",
-               "y" : 75
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-               "drilldown" : "025"
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-               "name" : "#029"
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-               "name" : "#030",
-               "drilldown" : "030"
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-               "drilldown" : "096"
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-               "drilldown" : "106"
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-            {
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-               "name" : "#107",
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-            },
-            {
-               "drilldown" : "108",
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-               "name" : "#108"
-            },
-            {
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-               "name" : "#109"
-            },
-            {
-               "name" : "#110",
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-               "drilldown" : "110"
-            },
-            {
-               "drilldown" : "111",
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-               "name" : "#111"
-            },
-            {
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-               "drilldown" : "112"
-            },
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-               "name" : "#113",
-               "drilldown" : "113"
-            },
-            {
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-               "y" : 108,
-               "name" : "#114"
-            },
-            {
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-            },
-            {
-               "drilldown" : "116",
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-               "name" : "#116"
-            },
-            {
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-               "name" : "#117"
-            },
-            {
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-               "drilldown" : "118"
-            },
-            {
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-               "y" : 125,
-               "drilldown" : "119"
-            },
-            {
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-               "drilldown" : "120"
-            },
-            {
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-               "drilldown" : "121"
-            },
-            {
-               "drilldown" : "122",
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-               "name" : "#122"
-            },
-            {
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-               "drilldown" : "123"
-            },
-            {
-               "drilldown" : "124",
-               "name" : "#124",
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-            },
-            {
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-            },
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-            },
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-               "drilldown" : "127"
-            },
-            {
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-               "name" : "#128",
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-            },
-            {
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-               "name" : "#129",
-               "y" : 50
-            },
-            {
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-               "y" : 73
-            },
-            {
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-               "y" : 91
-            },
-            {
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-            },
-            {
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-            },
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-               "drilldown" : "134"
-            },
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-               "name" : "#135",
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-            },
-            {
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-               "drilldown" : "136"
-            },
-            {
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-               "name" : "#137"
-            },
-            {
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-               "y" : 100
-            },
-            {
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-               "drilldown" : "139"
-            },
-            {
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-               "y" : 103
-            },
-            {
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-               "drilldown" : "141"
-            },
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-            },
-            {
-               "drilldown" : "143",
-               "name" : "#143",
-               "y" : 81
-            },
-            {
-               "drilldown" : "144",
-               "name" : "#144",
-               "y" : 85
-            },
-            {
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-               "name" : "#145",
-               "y" : 92
-            },
-            {
-               "drilldown" : "146",
-               "y" : 103,
-               "name" : "#146"
-            },
-            {
-               "y" : 24,
-               "name" : "#147",
-               "drilldown" : "147"
-            }
-         ],
-         "colorByPoint" : "t