- Added solutions by Dave Jacoby.

12 files changed, 668 insertions, 653 deletions

diff --git a/challenge-042/dave-jacoby/perl5/ch-1.pl b/challenge-042/dave-jacoby/perl/ch-1.pl
index 327ea71539..327ea71539 100644
--- a/challenge-042/dave-jacoby/perl5/ch-1.pl
+++ b/challenge-042/dave-jacoby/perl/ch-1.pl
diff --git a/challenge-042/dave-jacoby/perl5/ch-2.pl b/challenge-042/dave-jacoby/perl/ch-2.pl
index 2cb2d701ec..2cb2d701ec 100644
--- a/challenge-042/dave-jacoby/perl5/ch-2.pl
+++ b/challenge-042/dave-jacoby/perl/ch-2.pl
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index d2598782d8..a1a41664cc 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,25 +1,15 @@
 {
-   "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
-   },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "enabled" : 1,
             "format" : "{point.y}"
-         }
-      }
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+         },
+         "borderWidth" : 0
       }
    },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "Perl Weekly Challenge - 042"
    },
    "drilldown" : {
       "series" : [
@@ -34,7 +24,6 @@
             "id" : "Alicia Bielsa"
          },
          {
-            "id" : "Arne Sommer",
             "data" : [
                [
                   "Raku",
@@ -45,49 +34,62 @@
                   1
                ]
             ],
+            "id" : "Arne Sommer",
             "name" : "Arne Sommer"
          },
          {
+            "name" : "Daniel Mita",
             "id" : "Daniel Mita",
             "data" : [
                [
                   "Raku",
                   2
                ]
+            ]
+         },
+         {
+            "name" : "Dave Jacoby",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
             ],
-            "name" : "Daniel Mita"
+            "id" : "Dave Jacoby"
          },
          {
-            "name" : "Duane Powell",
-            "id" : "Duane Powell",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Duane Powell",
+            "name" : "Duane Powell"
          },
          {
-            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "E. Choroba"
+            "id" : "E. Choroba"
          },
          {
-            "id" : "Fabrizio Poggi",
+            "name" : "Fabrizio Poggi",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Fabrizio Poggi"
+            "id" : "Fabrizio Poggi"
          },
          {
+            "name" : "Javier Luque",
+            "id" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -101,9 +103,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Javier Luque",
-            "name" : "Javier Luque"
+            ]
          },
          {
             "data" : [
@@ -126,18 +126,17 @@
             ]
          },
          {
+            "id" : "Nazareno Delucca",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Nazareno Delucca",
             "name" : "Nazareno Delucca"
          },
          {
             "name" : "Roger Bell West",
-            "id" : "Roger Bell West",
             "data" : [
                [
                   "Perl",
@@ -147,10 +146,10 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Roger Bell West"
          },
          {
-            "id" : "Ruben Westerberg",
             "data" : [
                [
                   "Perl",
@@ -161,27 +160,28 @@
                   2
                ]
             ],
+            "id" : "Ruben Westerberg",
             "name" : "Ruben Westerberg"
          },
          {
-            "name" : "Saif Ahmed",
             "id" : "Saif Ahmed",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Saif Ahmed"
          },
          {
+            "name" : "Simon Proctor",
             "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Simon Proctor"
+            ]
          },
          {
             "id" : "Ulrich Rieke",
@@ -194,62 +194,61 @@
             "name" : "Ulrich Rieke"
          },
          {
+            "name" : "Walt Mankowski",
+            "id" : "Walt Mankowski",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Walt Mankowski",
-            "name" : "Walt Mankowski"
+            ]
          },
          {
+            "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc"
+            "id" : "Wanderdoc"
          }
       ]
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 042"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 17] Last updated at 2020-01-08 11:57:41 GMT"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
    "chart" : {
       "type" : "column"
    },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "Perl Weekly Challenge - 042",
          "data" : [
             {
-               "name" : "Alicia Bielsa",
                "drilldown" : "Alicia Bielsa",
-               "y" : 2
+               "y" : 2,
+               "name" : "Alicia Bielsa"
             },
             {
-               "name" : "Arne Sommer",
                "drilldown" : "Arne Sommer",
-               "y" : 3
+               "y" : 3,
+               "name" : "Arne Sommer"
             },
             {
-               "y" : 2,
                "drilldown" : "Daniel Mita",
-               "name" : "Daniel Mita"
+               "name" : "Daniel Mita",
+               "y" : 2
             },
             {
+               "drilldown" : "Dave Jacoby",
                "y" : 2,
+               "name" : "Dave Jacoby"
+            },
+            {
                "drilldown" : "Duane Powell",
+               "y" : 2,
                "name" : "Duane Powell"
             },
             {
@@ -258,9 +257,9 @@
                "drilldown" : "E. Choroba"
             },
             {
-               "y" : 2,
                "drilldown" : "Fabrizio Poggi",
-               "name" : "Fabrizio Poggi"
+               "name" : "Fabrizio Poggi",
+               "y" : 2
             },
             {
                "y" : 5,
@@ -268,19 +267,19 @@
                "drilldown" : "Javier Luque"
             },
             {
+               "y" : 2,
                "name" : "Kivanc Yazan",
-               "drilldown" : "Kivanc Yazan",
-               "y" : 2
+               "drilldown" : "Kivanc Yazan"
             },
             {
-               "name" : "Markus Holzer",
                "drilldown" : "Markus Holzer",
-               "y" : 2
+               "y" : 2,
+               "name" : "Markus Holzer"
             },
             {
-               "drilldown" : "Nazareno Delucca",
+               "y" : 2,
                "name" : "Nazareno Delucca",
-               "y" : 2
+               "drilldown" : "Nazareno Delucca"
             },
             {
                "y" : 4,
@@ -288,9 +287,9 @@
                "drilldown" : "Roger Bell West"
             },
             {
-               "name" : "Ruben Westerberg",
                "drilldown" : "Ruben Westerberg",
-               "y" : 4
+               "y" : 4,
+               "name" : "Ruben Westerberg"
             },
             {
                "drilldown" : "Saif Ahmed",
@@ -298,26 +297,42 @@
                "y" : 2
             },
             {
-               "name" : "Simon Proctor",
                "drilldown" : "Simon Proctor",
-               "y" : 2
+               "y" : 2,
+               "name" : "Simon Proctor"
             },
             {
+               "name" : "Ulrich Rieke",
                "y" : 2,
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
+               "drilldown" : "Ulrich Rieke"
             },
             {
+               "y" : 2,
                "name" : "Walt Mankowski",
-               "drilldown" : "Walt Mankowski",
-               "y" : 2
+               "drilldown" : "Walt Mankowski"
             },
             {
                "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Wanderdoc"
             }
-         ]
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 042"
       }
-   ]
+   ],
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "subtitle" : {
+      "text" : "[Champions: 18] Last updated at 2020-01-08 12:02:18 GMT"
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 2a4c299895..84501beafd 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,24 +1,48 @@
 {
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "legend" : {
+      "enabled" : "false"
    },
    "subtitle" : {
-      "text" : "Last updated at 2020-01-08 11:57:41 GMT"
+      "text" : "Last updated at 2020-01-08 12:02:18 GMT"
    },
-   "legend" : {
-      "enabled" : "false"
+   "chart" : {
+      "type" : "column"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : null
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
       },
-      "min" : 0
+      "type" : "category"
    },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
    "series" : [
       {
+         "dataLabels" : {
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "enabled" : "true",
+            "align" : "right",
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "y" : 10
+         },
          "name" : "Contributions",
          "data" : [
             [
@@ -27,37 +51,13 @@
             ],
             [
                "Perl",
-               1712
+               1714
             ],
             [
                "Raku",
                1034
             ]
-         ],
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "rotation" : -90,
-            "enabled" : "true",
-            "y" : 10,
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            }
-         }
+         ]
       }
-   ],
-   "chart" : {
-      "type" : "column"
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 827eb70410..4397d2f19e 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,22 +1,6 @@
 {
-   "tooltip" : {
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : "true"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-01-08 12:02:18 GMT"
    },
    "legend" : {
       "enabled" : "false"
@@ -24,7 +8,7 @@
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -39,7 +23,7 @@
                   11
                ]
             ],
-            "id" : "001"
+            "name" : "001"
          },
          {
             "name" : "002",
@@ -61,7 +45,6 @@
          },
          {
             "name" : "003",
-            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -75,10 +58,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "003"
          },
          {
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -93,11 +76,11 @@
                   10
                ]
             ],
+            "id" : "004",
             "name" : "004"
          },
          {
             "name" : "005",
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -111,11 +94,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "005"
          },
          {
-            "name" : "006",
-            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -129,7 +111,9 @@
                   "Blog",
                   7
                ]
-            ]
+            ],
+            "id" : "006",
+            "name" : "006"
          },
          {
             "id" : "007",
@@ -150,7 +134,6 @@
             "name" : "007"
          },
          {
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -165,6 +148,7 @@
                   12
                ]
             ],
+            "id" : "008",
             "name" : "008"
          },
          {
@@ -186,7 +170,6 @@
             ]
          },
          {
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -201,10 +184,10 @@
                   11
                ]
             ],
-            "id" : "010"
+            "id" : "010",
+            "name" : "010"
          },
          {
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -219,7 +202,8 @@
                   10
                ]
             ],
-            "id" : "011"
+            "id" : "011",
+            "name" : "011"
          },
          {
             "name" : "012",
@@ -240,7 +224,6 @@
             ]
          },
          {
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -255,10 +238,11 @@
                   13
                ]
             ],
+            "id" : "013",
             "name" : "013"
          },
          {
-            "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -273,11 +257,10 @@
                   15
                ]
             ],
-            "name" : "014"
+            "id" : "014"
          },
          {
             "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -291,9 +274,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "015"
          },
          {
+            "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -307,12 +293,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016",
-            "name" : "016"
+            ]
          },
          {
-            "name" : "017",
             "id" : "017",
             "data" : [
                [
@@ -327,10 +310,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "017"
          },
          {
-            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -345,7 +328,8 @@
                   14
                ]
             ],
-            "id" : "018"
+            "id" : "018",
+            "name" : "018"
          },
          {
             "id" : "019",
@@ -384,6 +368,7 @@
             ]
          },
          {
+            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -398,8 +383,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021"
+            ]
          },
          {
             "name" : "022",
@@ -421,6 +405,7 @@
          },
          {
             "name" : "023",
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -434,8 +419,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "023"
+            ]
          },
          {
             "name" : "024",
@@ -456,6 +440,8 @@
             ]
          },
          {
+            "name" : "025",
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -469,12 +455,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025",
-            "name" : "025"
+            ]
          },
          {
             "name" : "026",
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -488,12 +473,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "026"
+            ]
          },
          {
             "name" : "027",
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -507,7 +490,8 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "027"
          },
          {
             "name" : "028",
@@ -529,7 +513,6 @@
          },
          {
             "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -543,10 +526,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029"
          },
          {
-            "name" : "030",
             "id" : "030",
             "data" : [
                [
@@ -561,10 +544,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "030"
          },
          {
-            "name" : "031",
             "id" : "031",
             "data" : [
                [
@@ -579,11 +562,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031"
          },
          {
-            "name" : "032",
-            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -597,9 +579,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "032",
+            "name" : "032"
          },
          {
+            "name" : "033",
             "id" : "033",
             "data" : [
                [
@@ -614,10 +599,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "033"
+            ]
          },
          {
+            "name" : "034",
+            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -631,12 +617,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "034",
-            "name" : "034"
+            ]
          },
          {
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -651,9 +634,11 @@
                   9
                ]
             ],
-            "id" : "035"
+            "id" : "035",
+            "name" : "035"
          },
          {
+            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -668,10 +653,10 @@
                   10
                ]
             ],
-            "id" : "036",
             "name" : "036"
          },
          {
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -686,10 +671,10 @@
                   9
                ]
             ],
-            "id" : "037",
-            "name" : "037"
+            "id" : "037"
          },
          {
+            "name" : "038",
             "id" : "038",
             "data" : [
                [
@@ -704,10 +689,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "038"
+            ]
          },
          {
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -722,7 +707,6 @@
                   12
                ]
             ],
-            "id" : "039",
             "name" : "039"
          },
          {
@@ -744,7 +728,6 @@
             "id" : "040"
          },
          {
-            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -759,15 +742,15 @@
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                   "Perl",
-                  24
+                  26
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                   "Raku",
@@ -777,12 +760,22 @@
                   "Blog",
                   2
                ]
-            ]
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       ]
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-01-08 11:57:41 GMT"
+   "chart" : {
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+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
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+            "format" : "{point.y}"
+         }
+      }
    },
    "title" : {
       "text" : "Perl Weekly Challenge Language"
@@ -790,88 +783,88 @@
    "xAxis" : {
       "type" : "category"
    },
-   "chart" : {
-      "type" : "column"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
    "series" : [
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-         "colorByPoint" : "true",
-         "name" : "Perl Weekly Challenge Languages",
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                "y" : 140,
-               "drilldown" : "001",
-               "name" : "#001"
+               "name" : "#001",
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@@ -880,98 +873,98 @@
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