- Added solutions by Yary Hluchan.

20 files changed, 1233 insertions, 1170 deletions

diff --git a/challenge-072/yary-h/README b/challenge-072/yary-h/README
index 200fbce413..005cb0d2ab 100644
--- a/challenge-072/yary-h/README
+++ b/challenge-072/yary-h/README
@@ -1 +1 @@
-Solution by Yary H
+Solution by Yary Hluchan.
diff --git a/challenge-072/yary-h/range.pl b/challenge-072/yary-h/perl/ch-2.pl
index 204bd2255c..204bd2255c 100644
--- a/challenge-072/yary-h/range.pl
+++ b/challenge-072/yary-h/perl/ch-2.pl
diff --git a/challenge-072/yary-h/input.txt b/challenge-072/yary-h/perl/input.txt
index 756958ea91..756958ea91 100644
--- a/challenge-072/yary-h/input.txt
+++ b/challenge-072/yary-h/perl/input.txt
diff --git a/challenge-072/yary-h/perl/range.pl b/challenge-072/yary-h/perl/range.pl
new file mode 100644
index 0000000000..204bd2255c
--- /dev/null
+++ b/challenge-072/yary-h/perl/range.pl
@@ -0,0 +1,14 @@
+#!/usr/bin/env perl
+# Run as:
+# range.pl 4 10 < input.txt
+# or
+# range.pl 4 10 input.txt
+
+my ($begin_line, $end_line)=splice @ARGV,0,2;
+
+# Not using flip-flop .. want to simply exit on the end line
+while (<>) {
+	next if $. < $begin_line;
+	print;
+	exit if $. >=$end_line;
+}
diff --git a/challenge-072/yary-h/range_ff.pl b/challenge-072/yary-h/perl/range_ff.pl
index e7d83cec9d..e7d83cec9d 100644
--- a/challenge-072/yary-h/range_ff.pl
+++ b/challenge-072/yary-h/perl/range_ff.pl
diff --git a/challenge-072/yary-h/range.raku b/challenge-072/yary-h/raku/ch-2.raku
index b2caf65398..b2caf65398 100644
--- a/challenge-072/yary-h/range.raku
+++ b/challenge-072/yary-h/raku/ch-2.raku
diff --git a/challenge-072/yary-h/raku/input.txt b/challenge-072/yary-h/raku/input.txt
new file mode 100644
index 0000000000..756958ea91
--- /dev/null
+++ b/challenge-072/yary-h/raku/input.txt
@@ -0,0 +1,12 @@
+L1
+L2
+L3
+L4
+L5
+L6
+L7
+L8
+L9
+L10
+L11
+L12
diff --git a/challenge-072/yary-h/raku/range.raku b/challenge-072/yary-h/raku/range.raku
new file mode 100644
index 0000000000..b2caf65398
--- /dev/null
+++ b/challenge-072/yary-h/raku/range.raku
@@ -0,0 +1,18 @@
+#!/usr/bin/env raku
+
+# Run as:
+# range.pl 4 10 < input.txt
+# or
+# range.pl 4 10 input.txt
+
+# Playing with command-line validation.
+# Lines are ints, end_line is greater than begin_line,
+# all input files are readable- OK to skip that, CatHandle would complain.
+sub MAIN(Int $line_to_start is copy,				#= First line to print
+         Int $end_line where * >= $line_to_start,	#= Last line to print
+         *@input_file where (*.all).IO.f #= File(s) to read from. Also reads STDIN.
+	) {
+	.say if --$line_to_start < 1
+		for IO::CatHandle.new(@input_file, $*IN).lines($end_line)
+	# Alternative would be to use .lines.kv to get line num with line
+}
diff --git a/members.json b/members.json
index 642eaaf785..5257e27a26 100644
--- a/members.json
+++ b/members.json
@@ -172,7 +172,7 @@
     "william-gilmore"       : "William Gilmore",
     "x1mandi"               : "Csaba Simandi",
     "xkr47"                 : "Jonas Berlin",
-    "yary-h"                : "Yary H",
+    "yary-h"                : "Yary Hluchan",
     "yet-ebreo"             : "Yet Ebreo",
     "yozen-hernandez"       : "Yozen Hernandez"
 }
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 8a045d67b6..5079ed6a06 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,20 +1,25 @@
 {
+   "legend" : {
+      "enabled" : 0
+   },
    "title" : {
       "text" : "Perl Weekly Challenge - 072"
    },
+   "subtitle" : {
+      "text" : "[Champions: 11] Last updated at 2020-08-03 20:17:23 GMT"
+   },
    "series" : [
       {
-         "colorByPoint" : 1,
          "data" : [
             {
                "name" : "Duncan C. White",
-               "drilldown" : "Duncan C. White",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Duncan C. White"
             },
             {
-               "name" : "Jason Messer",
+               "y" : 2,
                "drilldown" : "Jason Messer",
-               "y" : 2
+               "name" : "Jason Messer"
             },
             {
                "name" : "Javier Luque",
@@ -28,18 +33,18 @@
             },
             {
                "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
             },
             {
-               "y" : 4,
+               "name" : "Mohammad S Anwar",
                "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar"
+               "y" : 4
             },
             {
-               "y" : 2,
+               "name" : "Niels van Dijke",
                "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke"
+               "y" : 2
             },
             {
                "name" : "Roger Bell_West",
@@ -52,39 +57,43 @@
                "y" : 2
             },
             {
+               "name" : "Simon Proctor",
                "drilldown" : "Simon Proctor",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Yary Hluchan",
                "y" : 2,
-               "name" : "Simon Proctor"
+               "name" : "Yary Hluchan"
             }
          ],
+         "colorByPoint" : 1,
          "name" : "Perl Weekly Challenge - 072"
       }
    ],
    "drilldown" : {
       "series" : [
          {
+            "id" : "Duncan C. White",
+            "name" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Duncan C. White",
-            "name" : "Duncan C. White"
+            ]
          },
          {
             "id" : "Jason Messer",
+            "name" : "Jason Messer",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Jason Messer"
+            ]
          },
          {
-            "name" : "Javier Luque",
-            "id" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -98,9 +107,13 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
          },
          {
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -110,9 +123,7 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari"
+            ]
          },
          {
             "name" : "Mark Anderson",
@@ -125,8 +136,6 @@
             ]
          },
          {
-            "name" : "Mohammad S Anwar",
-            "id" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
@@ -136,20 +145,23 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar"
          },
          {
             "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Niels van Dijke"
+            ]
          },
          {
             "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -159,31 +171,55 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Roger Bell_West"
+            ]
          },
          {
-            "name" : "Simon Miner",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Simon Miner"
+            "id" : "Simon Miner",
+            "name" : "Simon Miner"
          },
          {
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "id" : "Simon Proctor",
             "name" : "Simon Proctor"
+         },
+         {
+            "id" : "Yary Hluchan",
+            "name" : "Yary Hluchan",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ]
          }
       ]
    },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
@@ -193,26 +229,9 @@
          }
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "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/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 10] Last updated at 2020-08-03 20:08:32 GMT"
+      "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/>"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index aa5052e0df..5102561410 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,34 +1,28 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2020-08-03 20:08:32 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "chart" : {
-      "type" : "column"
-   },
    "legend" : {
       "enabled" : "false"
    },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-08-03 20:17:23 GMT"
    },
    "series" : [
       {
          "name" : "Contributions",
+         "dataLabels" : {
+            "rotation" : -90,
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "y" : 10
+         },
          "data" : [
             [
                "Blog",
@@ -36,28 +30,34 @@
             ],
             [
                "Perl",
-               2948
+               2949
             ],
             [
                "Raku",
-               1914
+               1915
             ]
-         ],
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "y" : 10,
-            "align" : "right",
-            "rotation" : -90,
-            "enabled" : "true"
-         }
+         ]
       }
    ],
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index eae64c7681..5c5b983671 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -2,6 +2,380 @@
    "title" : {
       "text" : "Perl Weekly Challenge Language"
    },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-08-03 20:17:23 GMT"
+   },
+   "series" : [
+      {
+         "colorByPoint" : "true",
+         "name" : "Perl Weekly Challenge Languages",
+         "data" : [
+            {
+               "name" : "#001",
+               "y" : 142,
+               "drilldown" : "001"
+            },
+            {
+               "name" : "#002",
+               "drilldown" : "002",
+               "y" : 109
+            },
+            {
+               "y" : 71,
+               "drilldown" : "003",
+               "name" : "#003"
+            },
+            {
+               "y" : 91,
+               "drilldown" : "004",
+               "name" : "#004"
+            },
+            {
+               "name" : "#005",
+               "y" : 72,
+               "drilldown" : "005"
+            },
+            {
+               "name" : "#006",
+               "drilldown" : "006",
+               "y" : 52
+            },
+            {
+               "drilldown" : "007",
+               "y" : 59,
+               "name" : "#007"
+            },
+            {
+               "drilldown" : "008",
+               "y" : 72,
+               "name" : "#008"
+            },
+            {
+               "y" : 68,
+               "drilldown" : "009",
+               "name" : "#009"
+            },
+            {
+               "drilldown" : "010",
+               "y" : 60,
+               "name" : "#010"
+            },
+            {
+               "name" : "#011",
+               "drilldown" : "011",
+               "y" : 79
+            },
+            {
+               "drilldown" : "012",
+               "y" : 83,
+               "name" : "#012"
+            },
+            {
+               "y" : 76,
+               "drilldown" : "013",
+               "name" : "#013"
+            },
+            {
+               "drilldown" : "014",
+               "y" : 96,
+               "name" : "#014"
+            },
+            {
+               "drilldown" : "015",
+               "y" : 93,
+               "name" : "#015"
+            },
+            {
+               "name" : "#016",
+               "y" : 66,
+               "drilldown" : "016"
+            },
+            {
+               "name" : "#017",
+               "y" : 79,
+               "drilldown" : "017"
+            },
+            {
+               "drilldown" : "018",
+               "y" : 76,
+               "name" : "#018"
+            },
+            {
+               "name" : "#019",
+               "drilldown" : "019",
+               "y" : 97
+            },
+            {
+               "drilldown" : "020",
+               "y" : 95,
+               "name" : "#020"
+            },
+            {
+               "y" : 67,
+               "drilldown" : "021",
+               "name" : "#021"
+            },
+            {
+               "name" : "#022",
+               "y" : 63,
+               "drilldown" : "022"
+            },
+            {
+               "name" : "#023",
+               "y" : 91,
+               "drilldown" : "023"
+            },
+            {
+               "drilldown" : "024",
+               "y" : 70,
+               "name" : "#024"
+            },
+            {
+               "y" : 55,
+               "drilldown" : "025",
+               "name" : "#025"
+            },
+            {
+               "drilldown" : "026",
+               "y" : 70,
+               "name" : "#026"
+            },
+            {
+               "name" : "#027",
+               "y" : 58,
+               "drilldown" : "027"
+            },
+            {
+               "name" : "#028",
+               "drilldown" : "028",
+               "y" : 78
+            },
+            {
+               "name" : "#029",
+               "drilldown" : "029",
+               "y" : 77
+            },
+            {
+               "drilldown" : "030",
+               "y" : 115,
+               "name" : "#030"
+            },
+            {
+               "drilldown" : "031",
+               "y" : 87,
+               "name" : "#031"
+            },
+            {
+               "name" : "#032",
+               "drilldown" : "032",
+               "y" : 92
+            },
+            {
+               "name" : "#033",
+               "y" : 108,
+               "drilldown" : "033"
+            },
+            {
+               "drilldown" : "034",
+               "y" : 62,
+               "name" : "#034"
+            },
+            {
+               "drilldown" : "035",
+               "y" : 62,
+               "name" : "#035"
+            },
+            {
+               "drilldown" : "036",
+               "y" : 66,
+               "name" : "#036"
+            },
+            {
+               "name" : "#037",
+               "drilldown" : "037",
+               "y" : 65
+            },
+            {
+               "y" : 65,
+               "drilldown" : "038",
+               "name" : "#038"
+            },
+            {
+               "name" : "#039",
+               "y" : 60,
+               "drilldown" : "039"
+            },
+            {
+               "name" : "#040",
+               "y" : 71,
+               "drilldown" : "040"
+            },
+            {
+               "y" : 74,
+               "drilldown" : "041",
+               "name" : "#041"
+            },
+            {
+               "drilldown" : "042",
+               "y" : 88,
+               "name" : "#042"
+            },
+            {
+               "name" : "#043",
+               "drilldown" : "043",
+               "y" : 66
+            },
+            {
+               "name" : "#044",
+               "y" : 82,
+               "drilldown" : "044"
+            },
+            {
+               "y" : 94,
+               "drilldown" : "045",
+               "name" : "#045"
+            },
+            {
+               "y" : 85,
+               "drilldown" : "046",
+               "name" : "#046"
+            },
+            {
+               "y" : 82,
+               "drilldown" : "047",
+               "name" : "#047"
+            },
+            {
+               "name" : "#048",
+               "y" : 106,
+               "drilldown" : "048"
+            },
+            {
+               "drilldown" : "049",
+               "y" : 85,
+               "name" : "#049"
+            },
+            {
+               "name" : "#050",
+               "drilldown" : "050",
+               "y" : 96
+            },
+            {
+               "drilldown" : "051",
+               "y" : 87,
+               "name" : "#051"
+            },
+            {
+               "name" : "#052",
+               "y" : 89,
+               "drilldown" : "052"
+            },
+            {
+               "drilldown" : "053",
+               "y" : 99,
+               "name" : "#053"
+            },
+            {
+               "name" : "#054",
+               "drilldown" : "054",
+               "y" : 101
+            },
+            {
+               "drilldown" : "055",
+               "y" : 86,
+               "name" : "#055"
+            },
+            {
+               "name" : "#056",
+               "y" : 93,
+               "drilldown" : "056"
+            },
+            {
+               "name" : "#057",
+               "drilldown" : "057",
+               "y" : 78
+            },
+            {
+               "drilldown" : "058",
+               "y" : 67,
+               "name" : "#058"
+            },
+            {
+               "y" : 82,
+               "drilldown" : "059",
+               "name" : "#059"
+            },
+            {
+               "name" : "#060",
+               "y" : 78,
+               "drilldown" : "060"
+            },
+            {
+               "y" : 79,
+               "drilldown" : "061",
+               "name" : "#061"
+            },
+            {
+               "y" : 54,
+               "drilldown" : "062",
+               "name" : "#062"
+            },
+            {
+               "name" : "#063",
+               "drilldown" : "063",
+               "y" : 87
+            },
+            {
+               "name" : "#064",
+               "y" : 76,
+               "drilldown" : "064"
+            },
+            {
+               "name" : "#065",
+               "y" : 71,
+               "drilldown" : "065"
+            },
+            {
+               "drilldown" : "066",
+               "y" : 81,
+               "name" : "#066"
+            },
+            {
+               "name" : "#067",
+               "y" : 87,
+               "drilldown" : "067"
+            },
+            {
+               "drilldown" : "068",
+               "y" : 73,
+               "name" : "#068"
+            },
+            {
+               "name" : "#069",
+               "y" : 80,
+               "drilldown" : "069"
+            },
+            {
+               "name" : "#070",
+               "y" : 90,
+               "drilldown" : "070"
+            },
+            {
+               "y" : 73,
+               "drilldown" : "071",
+               "name" : "#071"
+            },
+            {
+               "name" : "#072",
+               "y" : 31,
+               "drilldown" : "072"
+            }
+         ]
+      }
+   ],
    "drilldown" : {
       "series" : [
          {
@@ -24,6 +398,7 @@
          },
          {
             "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -37,11 +412,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "002"
+            ]
          },
          {
             "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -55,10 +430,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003"
+            ]
          },
          {
+            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -72,11 +448,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004",
-            "name" : "004"
+            ]
          },
          {
+            "id" : "005",
             "name" : "005",
             "data" : [
                [
@@ -91,11 +466,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005"
+            ]
          },
          {
             "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -109,12 +484,11 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006"
+            ]
          },
          {
-            "name" : "007",
             "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -132,6 +506,7 @@
          },
          {
             "name" : "008",
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -145,11 +520,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "008"
+            ]
          },
          {
             "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -163,8 +538,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009"
+            ]
          },
          {
             "name" : "010",
@@ -185,8 +559,6 @@
             ]
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-            "name" : "011",
-            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -200,9 +572,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "011",
+            "id" : "011"
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -216,12 +592,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012",
-            "name" : "012"
+            ]
          },
          {
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -236,9 +609,12 @@
                   13
                ]
             ],
+            "id" : "013",
             "name" : "013"
          },
          {
+            "name" : "014",
+            "id" : "014",
             "data" : [
                [