- Added solutions by Wanderdoc.

12 files changed, 904 insertions, 889 deletions

diff --git a/challenge-042/wanderdoc/perl5/ch-1.pl b/challenge-042/wanderdoc/perl/ch-1.pl
index b10a7934cb..b10a7934cb 100644
--- a/challenge-042/wanderdoc/perl5/ch-1.pl
+++ b/challenge-042/wanderdoc/perl/ch-1.pl
diff --git a/challenge-042/wanderdoc/perl5/ch-2.pl b/challenge-042/wanderdoc/perl/ch-2.pl
index 41a09ec261..41a09ec261 100644
--- a/challenge-042/wanderdoc/perl5/ch-2.pl
+++ b/challenge-042/wanderdoc/perl/ch-2.pl
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index a1afc84595..7ce316243c 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,87 +1,60 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 042"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1
-   },
    "series" : [
       {
          "data" : [
             {
                "y" : 2,
-               "drilldown" : "Daniel Mita",
-               "name" : "Daniel Mita"
+               "name" : "Daniel Mita",
+               "drilldown" : "Daniel Mita"
             },
             {
-               "name" : "Javier Luque",
                "y" : 5,
+               "name" : "Javier Luque",
                "drilldown" : "Javier Luque"
             },
             {
-               "drilldown" : "Kivanc Yazan",
                "y" : 2,
-               "name" : "Kivanc Yazan"
+               "name" : "Kivanc Yazan",
+               "drilldown" : "Kivanc Yazan"
             },
             {
+               "drilldown" : "Markus Holzer",
                "name" : "Markus Holzer",
-               "y" : 2,
-               "drilldown" : "Markus Holzer"
+               "y" : 2
             },
             {
                "y" : 2,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
+               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor"
             },
             {
-               "y" : 2,
                "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
+               "name" : "Ulrich Rieke",
+               "y" : 2
+            },
+            {
+               "name" : "Wanderdoc",
+               "y" : 2,
+               "drilldown" : "Wanderdoc"
             }
          ],
          "name" : "Perl Weekly Challenge - 042",
          "colorByPoint" : 1
       }
    ],
-   "legend" : {
-      "enabled" : 0
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Daniel Mita",
+            "id" : "Daniel Mita",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Daniel Mita",
-            "id" : "Daniel Mita"
+            ]
          },
          {
-            "name" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -96,7 +69,8 @@
                   1
                ]
             ],
-            "id" : "Javier Luque"
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
          },
          {
             "id" : "Kivanc Yazan",
@@ -109,38 +83,79 @@
             ]
          },
          {
-            "name" : "Markus Holzer",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "name" : "Markus Holzer",
             "id" : "Markus Holzer"
          },
          {
             "id" : "Simon Proctor",
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Simon Proctor"
+            ]
          },
          {
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc"
          }
       ]
    },
+   "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/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
    "subtitle" : {
-      "text" : "[Champions: 6] Last updated at 2020-01-06 17:20:54 GMT"
+      "text" : "[Champions: 7] Last updated at 2020-01-07 13:27:34 GMT"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 042"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index f56351c00a..c249a948e3 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,39 +1,21 @@
 {
    "subtitle" : {
-      "text" : "Last updated at 2020-01-06 17:20:54 GMT"
+      "text" : "Last updated at 2020-01-07 13:27:34 GMT"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "yAxis" : {
+      "min" : 0,
       "title" : {
          "text" : null
-      },
-      "min" : 0
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
       }
    },
    "series" : [
       {
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
-            "align" : "right",
-            "rotation" : -90
-         },
          "name" : "Contributions",
          "data" : [
             [
@@ -42,22 +24,40 @@
             ],
             [
                "Perl",
-               1692
+               1694
             ],
             [
                "Raku",
                1028
             ]
-         ]
+         ],
+         "dataLabels" : {
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "rotation" : -90,
+            "y" : 10,
+            "align" : "right",
+            "enabled" : "true",
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}"
+         }
       }
    ],
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "chart" : {
-      "type" : "column"
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "legend" : {
+      "enabled" : "false"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index d5c54e8d26..e7564f699e 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,9 +1,236 @@
 {
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "series" : [
+      {
+         "colorByPoint" : "true",
+         "name" : "Perl Weekly Challenge Languages",
+         "data" : [
+            {
+               "drilldown" : "001",
+               "name" : "#001",
+               "y" : 140
+            },
+            {
+               "y" : 109,
+               "name" : "#002",
+               "drilldown" : "002"
+            },
+            {
+               "drilldown" : "003",
+               "y" : 71,
+               "name" : "#003"
+            },
+            {
+               "drilldown" : "004",
+               "name" : "#004",
+               "y" : 91
+            },
+            {
+               "drilldown" : "005",
+               "y" : 71,
+               "name" : "#005"
+            },
+            {
+               "drilldown" : "006",
+               "y" : 48,
+               "name" : "#006"
+            },
+            {
+               "drilldown" : "007",
+               "name" : "#007",
+               "y" : 56
+            },
+            {
+               "y" : 70,
+               "name" : "#008",
+               "drilldown" : "008"
+            },
+            {
+               "drilldown" : "009",
+               "name" : "#009",
+               "y" : 68
+            },
+            {
+               "name" : "#010",
+               "y" : 60,
+               "drilldown" : "010"
+            },
+            {
+               "y" : 79,
+               "name" : "#011",
+               "drilldown" : "011"
+            },
+            {
+               "drilldown" : "012",
+               "y" : 83,
+               "name" : "#012"
+            },
+            {
+               "name" : "#013",
+               "y" : 76,
+               "drilldown" : "013"
+            },
+            {
+               "name" : "#014",
+               "y" : 96,
+               "drilldown" : "014"
+            },
+            {
+               "name" : "#015",
+               "y" : 93,
+               "drilldown" : "015"
+            },
+            {
+               "name" : "#016",
+               "y" : 66,
+               "drilldown" : "016"
+            },
+            {
+               "drilldown" : "017",
+               "name" : "#017",
+               "y" : 79
+            },
+            {
+               "drilldown" : "018",
+               "name" : "#018",
+               "y" : 76
+            },
+            {
+               "y" : 95,
+               "name" : "#019",
+               "drilldown" : "019"
+            },
+            {
+               "y" : 95,
+               "name" : "#020",
+               "drilldown" : "020"
+            },
+            {
+               "drilldown" : "021",
+               "name" : "#021",
+               "y" : 67
+            },
+            {
+               "drilldown" : "022",
+               "y" : 63,
+               "name" : "#022"
+            },
+            {
+               "drilldown" : "023",
+               "y" : 91,
+               "name" : "#023"
+            },
+            {
+               "name" : "#024",
+               "y" : 70,
+               "drilldown" : "024"
+            },
+            {
+               "drilldown" : "025",
+               "y" : 55,
+               "name" : "#025"
+            },
+            {
+               "name" : "#026",
+               "y" : 70,
+               "drilldown" : "026"
+            },
+            {
+               "drilldown" : "027",
+               "y" : 58,
+               "name" : "#027"
+            },
+            {
+               "name" : "#028",
+               "y" : 78,
+               "drilldown" : "028"
+            },
+            {
+               "y" : 77,
+               "name" : "#029",
+               "drilldown" : "029"
+            },
+            {
+               "drilldown" : "030",
+               "name" : "#030",
+               "y" : 115
+            },
+            {
+               "name" : "#031",
+               "y" : 87,
+               "drilldown" : "031"
+            },
+            {
+               "drilldown" : "032",
+               "y" : 92,
+               "name" : "#032"
+            },
+            {
+               "drilldown" : "033",
+               "name" : "#033",
+               "y" : 108
+            },
+            {
+               "drilldown" : "034",
+               "y" : 60,
+               "name" : "#034"
+            },
+            {
+               "drilldown" : "035",
+               "name" : "#035",
+               "y" : 60
+            },
+            {
+               "drilldown" : "036",
+               "y" : 61,
+               "name" : "#036"
+            },
+            {
+               "drilldown" : "037",
+               "y" : 63,
+               "name" : "#037"
+            },
+            {
+               "y" : 60,
+               "name" : "#038",
+               "drilldown" : "038"
+            },
+            {
+               "drilldown" : "039",
+               "y" : 60,
+               "name" : "#039"
+            },
+            {
+               "drilldown" : "040",
+               "name" : "#040",
+               "y" : 66
+            },
+            {
+               "drilldown" : "041",
+               "name" : "#041",
+               "y" : 67
+            },
+            {
+               "drilldown" : "042",
+               "y" : 17,
+               "name" : "#042"
+            }
+         ]
+      }
+   ],
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -17,11 +244,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001",
+            "name" : "001"
          },
          {
-            "id" : "002",
             "name" : "002",
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -56,6 +285,8 @@
             "id" : "003"
          },
          {
+            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -69,13 +300,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004",
-            "id" : "004"
+            ]
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-            "id" : "005",
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -89,7 +316,9 @@
                   "Blog",
                   12
                ]
-            ]
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+            "name" : "005",
+            "id" : "005"
          },
          {
             "id" : "006",
@@ -111,6 +340,7 @@
          },
          {
             "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -124,11 +354,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "007"
+            ]
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-            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -143,6 +371,7 @@
                   12
                ]
             ],
+            "name" : "008",
             "id" : "008"
          },
          {
@@ -164,7 +393,6 @@
             "id" : "009"
          },
          {
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -179,6 +407,7 @@
                   11
                ]
             ],
+            "name" : "010",
             "id" : "010"
          },
          {
@@ -196,11 +425,12 @@
                   10
                ]
             ],
-            "name" : "011",
-            "id" : "011"
+            "id" : "011",
+            "name" : "011"
          },
          {
             "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -214,10 +444,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012"
+            ]
          },
          {
+            "id" : "013",
             "name" : "013",
             "data" : [
                [
@@ -232,11 +462,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "013"
+            ]
          },
          {
             "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -250,10 +480,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014"
+            ]
          },
          {
+            "id" : "015",
             "name" : "015",
             "data" : [
                [
@@ -268,8 +498,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "015"
+            ]
          },
          {
             "id" : "016",
@@ -291,6 +520,7 @@
          },
          {
             "name" : "017",
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -304,12 +534,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "017"
+            ]
          },
          {
-            "id" : "018",
             "name" : "018",
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -345,6 +574,7 @@
          },
          {
             "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -358,12 +588,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020"
+            ]
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-            "id" : "021",
-            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -377,9 +604,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "021",
+            "name" : "021"
          },
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+            "name" : "022",
             "id" : "022",
             "data" : [
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@@ -394,11 +624,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "022"
+            ]
          },
          {
-            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -413,9 +641,11 @@
                   12
                ]
             ],
+            "name" : "023",
             "id" : "023"
          },
          {
+            "id" : "024",
             "name" : "024",
             "data" : [
                [
@@ -430,8 +660,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "024"
+            ]
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             "data" : [
@@ -452,7 +681,6 @@
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          },
          {
-            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -467,11 +695,10 @@
                   10
                ]
             ],
+            "name" : "026",
             "id" : "026"
          },
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-            "id" : "027",
-            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -485,11 +712,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "027",
+            "id" : "027"
          },
          {
-            "id" : "028",
-            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -503,10 +730,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "028",
+            "id" : "028"
          },
          {
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -521,11 +749,10 @@
                   12
                ]
             ],
-            "name" : "029"
+            "name" : "029",
+            "id" : "029"
          },
          {
-            "id" : "030",
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -539,10 +766,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030",
+            "name" : "030"
          },
          {
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -557,10 +785,12 @@
                   9
                ]
             ],
+            "name" : "031",
             "id" : "031"
          },
          {
             "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -574,10 +804,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "032"
+            ]
          },
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+            "id" : "033",
             "name" : "033",
             "data" : [
                [
@@ -592,8 +822,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033"
+            ]
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@@ -614,7 +843,6 @@
             "id" : "034"
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-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -629,10 +857,10 @@
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                ]
             ],
-            "id" : "035"
+            "id" : "035",
+            "name" : "035"
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-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -647,11 +875,12 @@
                   10
                ]
             ],
-            "id" : "036"
+            "id" : "036",
+            "name" : "036"
          },
          {
-            "id" : "037",
             "name" : "037",
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -668,6 +897,7 @@
             ]
          },
          {
+            "name" : "038",
             "id" : "038",
             "data" : [
                [
@@ -682,10 +912,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "038"
+            ]
          },
          {
+            "name" : "039",
             "id" : "039",
             "data" : [
                [
@@ -700,11 +930,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "039"
+            ]
          },
          {
             "id" : "040",
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -718,8 +948,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "040"
+            ]
          },
          {
             "data" : [
@@ -740,10 +969,12 @@
             "id" : "041"
          },
          {
+            "name" : "042",
+            "id" : "042",
             "data" : [
                [
                   "Perl",
-                  4
+                  6
                ],
                [
                   "Raku",
@@ -753,262 +984,31 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "042",
-            "id" : "042"
+            ]
          }
       ]
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-01-06 17:20:54 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
+   "chart" : {
+      "type" : "column"
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "name" : "#001",
-               "drilldown" : "001",
-               "y" : 140
-            },
-            {
-               "name" : "#002",
-               "y" : 109,
-               "drilldown" : "002"
-            },
-            {
-               "name" : "#003",
-               "drilldown" : "003",
-               "y" : 71
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-            {
-               "drilldown" : "004",
-               "y" : 91,
-               "name" : "#004"
-            },
-            {
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-               "drilldown" : "005",
-               "name" : "#005"
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-            {
-               "drilldown" : "006",
-               "y" : 48,
-               "name" : "#006"
-            },
-            {
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-               "drilldown" : "007",
-               "name" : "#007"
-            },
-            {
-               "drilldown" : "008",
-               "y" : 70,
-               "name" : "#008"
-            },
-            {
-               "name" : "#009",
-               "y" : 68,
-               "drilldown" : "009"
-            },
-            {
-               "name" : "#010",
-               "drilldown" : "010",
-               "y" : 60
-            },
-            {
-               "name" : "#011",
-               "drilldown" : "011",
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-            },
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-               "drilldown" : "012",
-               "name" : "#012"
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-            {
-               "name" : "#013",
-               "drilldown" : "013",
-               "y" : 76
-            },
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-               "name" : "#014",
-               "drilldown" : "014",
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-            },
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-               "name" : "#015",
-               "drilldown" : "015",
-               "y" : 93
-            },
-            {
-               "drilldown" : "016",
-               "y" : 66,
-               "name" : "#016"
-            },
-            {
-               "drilldown" : "017",
-               "y" : 79,
-               "name" : "#017"
-            },
-            {
-               "name" : "#018",
-               "y" : 76,
-               "drilldown" : "018"
-            },
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-