- Added solution by Steven Wilson.

15 files changed, 1227 insertions, 1227 deletions

diff --git a/challenge-147/steven-wilson/perl/ch-01.pl b/challenge-147/steven-wilson/perl/ch-1.pl
index ceefab2a3d..ceefab2a3d 100644
--- a/challenge-147/steven-wilson/perl/ch-01.pl
+++ b/challenge-147/steven-wilson/perl/ch-1.pl
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 844c69d84a..6b5ed52341 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,137 +1,8 @@
 {
-   "subtitle" : {
-      "text" : "[Champions: 19] Last updated at 2022-01-14 15:06:03 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "series" : [
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-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 147",
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-               "name" : "Alexander Karelas",
-               "y" : 1,
-               "drilldown" : "Alexander Karelas"
-            },
-            {
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-               "name" : "Cheok-Yin Fung",
-               "drilldown" : "Cheok-Yin Fung"
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-            {
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "y" : 2,
-               "name" : "E. Choroba"
-            },
-            {
-               "drilldown" : "Flavio Poletti",
-               "y" : 6,
-               "name" : "Flavio Poletti"
-            },
-            {
-               "y" : 3,
-               "name" : "James Smith",
-               "drilldown" : "James Smith"
-            },
-            {
-               "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "y" : 7,
-               "name" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "y" : 2,
-               "name" : "Mark Anderson"
-            },
-            {
-               "drilldown" : "Matthew Neleigh",
-               "y" : 2,
-               "name" : "Matthew Neleigh"
-            },
-            {
-               "name" : "Mohammad S Anwar",
-               "y" : 2,
-               "drilldown" : "Mohammad S Anwar"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "y" : 3,
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith"
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "y" : 5,
-               "name" : "Roger Bell_West"
-            },
-            {
-               "drilldown" : "Simon Green",
-               "y" : 3,
-               "name" : "Simon Green"
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "y" : 2,
-               "name" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "Steven Wilson",
-               "y" : 1,
-               "name" : "Steven Wilson"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 2,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ]
-      }
-   ],
-   "title" : {
-      "text" : "The Weekly Challenge - 147"
-   },
-   "plotOptions" : {
-      "series" : {
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-            "format" : "{point.y}"
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    "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
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
    },
    "legend" : {
       "enabled" : 0
@@ -139,16 +10,18 @@
    "drilldown" : {
       "series" : [
          {
-            "name" : "Alexander Karelas",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Alexander Karelas"
+            "id" : "Alexander Karelas",
+            "name" : "Alexander Karelas"
          },
          {
+            "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
@@ -158,13 +31,9 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Cheok-Yin Fung",
-            "id" : "Cheok-Yin Fung"
+            ]
          },
          {
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -174,21 +43,23 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
-            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "E. Choroba",
             "name" : "E. Choroba"
          },
          {
-            "id" : "Flavio Poletti",
             "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -219,6 +90,8 @@
             "name" : "James Smith"
          },
          {
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -232,11 +105,10 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld"
+            ]
          },
          {
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -247,31 +119,29 @@
                   5
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "name" : "Luca Ferrari"
          },
          {
             "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson"
+            ]
          },
          {
-            "id" : "Matthew Neleigh",
-            "name" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Matthew Neleigh",
+            "name" : "Matthew Neleigh"
          },
          {
-            "id" : "Mohammad S Anwar",
             "name" : "Mohammad S Anwar",
             "data" : [
                [
@@ -282,7 +152,8 @@
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "id" : "Mohammad S Anwar"
          },
          {
             "name" : "Niels van Dijke",
@@ -295,6 +166,8 @@
             "id" : "Niels van Dijke"
          },
          {
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -304,12 +177,9 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith"
+            ]
          },
          {
-            "id" : "Roger Bell_West",
             "name" : "Roger Bell_West",
             "data" : [
                [
@@ -324,10 +194,10 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West"
          },
          {
-            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -338,7 +208,8 @@
                   1
                ]
             ],
-            "id" : "Simon Green"
+            "id" : "Simon Green",
+            "name" : "Simon Green"
          },
          {
             "name" : "Simon Proctor",
@@ -355,7 +226,7 @@
             "data" : [
                [
                   "Perl",
-                  1
+                  2
                ]
             ],
             "name" : "Steven Wilson"
@@ -376,7 +247,6 @@
          },
          {
             "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -386,8 +256,138 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "W. Luis Mochan"
          }
       ]
+   },
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2022-01-14 23:20:00 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 147"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 147",
+         "data" : [
+            {
+               "drilldown" : "Alexander Karelas",
+               "name" : "Alexander Karelas",
+               "y" : 1
+            },
+            {
+               "y" : 2,
+               "name" : "Cheok-Yin Fung",
+               "drilldown" : "Cheok-Yin Fung"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 3,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "y" : 6,
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "James Smith",
+               "y" : 3,
+               "name" : "James Smith"
+            },
+            {
+               "drilldown" : "Laurent Rosenfeld",
+               "y" : 5,
+               "name" : "Laurent Rosenfeld"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "y" : 7,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "y" : 2,
+               "name" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Matthew Neleigh",
+               "y" : 2,
+               "name" : "Matthew Neleigh"
+            },
+            {
+               "y" : 2,
+               "name" : "Mohammad S Anwar",
+               "drilldown" : "Mohammad S Anwar"
+            },
+            {
+               "y" : 2,
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "name" : "Roger Bell_West",
+               "y" : 5,
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "y" : 3,
+               "name" : "Simon Green",
+               "drilldown" : "Simon Green"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "y" : 2,
+               "name" : "Simon Proctor"
+            },
+            {
+               "drilldown" : "Steven Wilson",
+               "y" : 2,
+               "name" : "Steven Wilson"
+            },
+            {
+               "y" : 2,
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 9cb23c87d9..0f5fc4df27 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,13 +1,27 @@
 {
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
+   },
    "chart" : {
       "type" : "column"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2022-01-14 15:06:03 GMT"
-   },
    "series" : [
       {
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -15,49 +29,35 @@
             ],
             [
                "Perl",
-               7084
+               7085
             ],
             [
                "Raku",
                4265
             ]
          ],
+         "name" : "Contributions",
          "dataLabels" : {
-            "enabled" : "true",
-            "y" : 10,
-            "align" : "right",
+            "format" : "{point.y:.0f}",
             "color" : "#FFFFFF",
+            "align" : "right",
+            "y" : 10,
+            "enabled" : "true",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "format" : "{point.y:.0f}",
             "rotation" : -90
          }
       }
    ],
+   "legend" : {
+      "enabled" : "false"
+   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
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-      "type" : "category"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "legend" : {
-      "enabled" : "false"
+   "subtitle" : {
+      "text" : "Last updated at 2022-01-14 23:20:00 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 9cab687417..590f633a3a 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,23 +1,11 @@
 {
    "tooltip" : {
-      "followPointer" : "true",
       "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
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-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Language"
+   "legend" : {
+      "enabled" : "false"
    },
    "drilldown" : {
       "series" : [
@@ -54,10 +42,12 @@
                   10
                ]
             ],
-            "name" : "002",
-            "id" : "002"
+            "id" : "002",
+            "name" : "002"
          },
          {
+            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -71,12 +61,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003",
-            "id" : "003"
+            ]
          },
          {
-            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -91,10 +79,11 @@
                   10
                ]
             ],
-            "name" : "004"
+            "id" : "004"
          },
          {
             "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -108,8 +97,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005"
+            ]
          },
          {
             "data" : [
@@ -126,11 +114,10 @@
                   7
                ]
             ],
-            "name" : "006",
-            "id" : "006"
+            "id" : "006",
+            "name" : "006"
          },
          {
-            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -145,10 +132,10 @@
                   10
                ]
             ],
+            "id" : "007",
             "name" : "007"
          },
          {
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -163,10 +150,11 @@
                   12
                ]
             ],
+            "id" : "008",
             "name" : "008"
          },
          {
-            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -181,11 +169,9 @@
                   13
                ]
             ],
-            "name" : "009"
+            "id" : "009"
          },
          {
-            "id" : "010",
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -199,10 +185,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010",
+            "name" : "010"
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-            "name" : "011",
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -217,11 +205,11 @@
                   10
                ]
             ],
-            "id" : "011"
+            "name" : "011"
          },
          {
-            "id" : "012",
             "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -238,6 +226,7 @@
             ]
          },
          {
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -252,10 +241,11 @@
                   13
                ]
             ],
-            "name" : "013",
             "id" : "013"
          },
          {
+            "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -269,9 +259,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "014",
-            "id" : "014"
+            ]
          },
          {
             "name" : "015",
@@ -293,6 +281,7 @@
          },
          {
             "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -306,10 +295,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016"
+            ]
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+            "name" : "017",
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                [
                   "Perl",
@@ -324,7 +313,6 @@
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-            "name" : "017",
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@@ -342,10 +330,11 @@
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                ]
             ],
-            "name" : "018",
-            "id" : "018"
+            "id" : "018",
+            "name" : "018"
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             "id" : "019",
             "data" : [
                [
@@ -360,10 +349,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "019"
+            ]
          },
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+            "name" : "020",
             "id" : "020",
             "data" : [
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@@ -378,10 +367,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020"
+            ]
          },
          {
+            "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -395,9 +385,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021",
-            "id" : "021"
+            ]
          },
          {
             "name" : "022",
@@ -436,8 +424,6 @@
             "name" : "023"
          },
          {
-            "id" : "024",
-            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -451,11 +437,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "024",
+            "name" : "024"
          },
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-            "id" : "025",
-            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -469,9 +455,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "025",
+            "name" : "025"
          },
          {
+            "name" : "026",
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -485,11 +475,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "026",
-            "id" : "026"
+            ]
          },
          {
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -504,8 +493,7 @@
                   9
                ]
             ],
-            "name" : "027",
-            "id" : "027"
+            "name" : "027"
          },
          {
             "data" : [
@@ -522,12 +510,12 @@
                   9
                ]
             ],
-            "name" : "028",
-            "id" : "028"
+            "id" : "028",
+            "name" : "028"
          },
          {
-            "id" : "029",
             "name" : "029",
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -544,7 +532,7 @@
             ]
          },
          {
-            "name" : "030",
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -559,9 +547,10 @@
                   10
                ]
             ],
-            "id" : "030"
+            "name" : "030"
          },
          {
+            "name" : "031",
             "id" : "031",
             "data" : [
                [
@@ -576,8 +565,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "031"
+            ]
          },
          {
             "data" : [
@@ -594,10 +582,11 @@
                   10
                ]
             ],
-            "name" : "032",
-            "id" : "032"
+            "id" : "032",
+            "name" : "032"
          },
          {
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -612,11 +601,9 @@
                   10
                ]
             ],
-            "name" : "033",
-            "id" : "033"
+            "name" : "033"
          },
          {
-            "id" : "034",
             "name" : "034",
             "data" : [
                [
@@ -631,10 +618,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "034"
          },
          {
-            "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -649,9 +637,10 @@
                   9
                ]
             ],
-            "id" : "035"
+            "name" : "035"
          },
          {
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -666,11 +655,10 @@
                   11
                ]
             ],
-            "name" : "036",
             "id" : "036"
          },
          {
-            "name" : "037",
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -685,10 +673,9 @@
                   9
                ]
             ],
-            "id" : "037"
+            "name" : "037"
          },
          {
-            "id" : "038",
             "name" : "038",
             "data" : [
                [
@@ -703,10 +690,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "038"
          },
          {
-            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -721,10 +708,11 @@
                   12
                ]
             ],
+            "id" : "039",
             "name" : "039"
          },
          {
-            "id" : "040",
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -739,10 +727,9 @@
                   10
                ]
             ],
-            "name" : "040"
+            "id" : "040"
          },
          {
-            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -757,10 +744,10 @@
                   9
                ]
             ],
-            "id" : "041"
+            "id" : "041",
+            "name" : "041"
          },
          {
-            "id" : "042",
             "data" : [
                [
                   "Perl",
@@ -775,11 +762,11 @@
                   11
                ]
             ],
+            "id" : "042",
             "name" : "042"
          },
          {
             "id" : "043",
-            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -793,11 +780,12 @@
                   "Blog",
                   11
                ]
-            ]