- Added solutions by Javier Luque.

15 files changed, 1112 insertions, 1003 deletions

diff --git a/challenge-048/javier-luque/blog.txt b/challenge-048/javier-luque/blog.txt
new file mode 100644
index 0000000000..cf789304e2
--- /dev/null
+++ b/challenge-048/javier-luque/blog.txt
@@ -0,0 +1 @@
+https://perlchallenges.wordpress.com/2020/02/17/perl-weekly-challenge-048/
diff --git a/challenge-048/javier-luque/perl/ch-1.pl b/challenge-048/javier-luque/perl/ch-1.pl
new file mode 100644
index 0000000000..d48f2cb10f
--- /dev/null
+++ b/challenge-048/javier-luque/perl/ch-1.pl
@@ -0,0 +1,25 @@
+#!/usr/bin/perl
+# Test: ./ch-1.pl
+use strict;
+use warnings;
+use feature qw /say/;
+
+# Populate the people with position_number
+my @people;
+$people[$_] = $_ + 1 for (0..49);
+
+# See who lives
+kill_and_switch(\@people) while (scalar(@people > 1));
+say $people[0] . " is still alive";
+
+
+# Kill and Switch
+sub kill_and_switch {
+    my $people = shift;
+
+    # switch
+    push @$people, shift @$people;
+
+    # kill
+    shift @$people;
+}
diff --git a/challenge-048/javier-luque/perl/ch-2.pl b/challenge-048/javier-luque/perl/ch-2.pl
new file mode 100644
index 0000000000..8903b6c56e
--- /dev/null
+++ b/challenge-048/javier-luque/perl/ch-2.pl
@@ -0,0 +1,17 @@
+#!/usr/bin/perl
+# test: perl ch-2.pl
+use strict;
+use warnings;
+use Time::Piece;
+use Time::Seconds;
+use feature qw /say/;
+
+my $current_date = Time::Piece->strptime('01-01-2000', '%m-%d-%Y');
+my $end_date     = Time::Piece->strptime('12-31-2999', '%m-%d-%Y');
+
+while ($current_date < $end_date) {
+    my $date_string = $current_date->strftime('%m%d%Y');
+    say $date_string if ($date_string eq reverse($date_string));
+    $current_date = $current_date + ONE_DAY;
+}
+
diff --git a/challenge-048/javier-luque/raku/ch-1.p6 b/challenge-048/javier-luque/raku/ch-1.p6
new file mode 100644
index 0000000000..d87dcf6acc
--- /dev/null
+++ b/challenge-048/javier-luque/raku/ch-1.p6
@@ -0,0 +1,15 @@
+# Test: perl6 ch-1.p6
+sub MAIN() {
+    my @people = 1..50;
+    kill-and-switch(@people) while (@people.elems > 1);
+    say @people[0] ~" is still alive";
+}
+
+# Kill and Switch
+sub kill-and-switch(@people) {
+    # switch
+    push @people, shift @people;
+
+    # kill
+    shift @people;
+}
diff --git a/challenge-048/javier-luque/raku/ch-2.p6 b/challenge-048/javier-luque/raku/ch-2.p6
new file mode 100644
index 0000000000..a794ed98e8
--- /dev/null
+++ b/challenge-048/javier-luque/raku/ch-2.p6
@@ -0,0 +1,28 @@
+# Test: perl6 ch-2.p6
+use v6.d;
+
+sub MAIN () {
+    my $current_date  = Date.new(2000, 1, 1);
+    my $end_date = Date.new(2999, 12, 31);
+
+    while ($current_date < $end_date) {
+        # Format month and day
+        my $month = ($current_date.month < 10) ??
+            '0' ~ $current_date.month !!
+            $current_date.month;
+
+        my $day   = ($current_date.day < 10) ??
+            '0' ~ $current_date.day !!
+            $current_date.day;
+
+        # Date String
+        my $date_string = $month ~ $day ~ $current_date.year;
+
+        # Output the datestring if it's a palindrome
+        say $date_string
+            if ($date_string eq $date_string.flip);
+
+        # Next Day
+        $current_date = $current_date + 1;
+    }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 2abcb16cba..af9a2c3322 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,4 +1,13 @@
 {
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
@@ -7,79 +16,89 @@
    "title" : {
       "text" : "Perl Weekly Challenge - 048"
    },
+   "xAxis" : {
+      "type" : "category"
+   },
    "series" : [
       {
+         "colorByPoint" : 1,
          "data" : [
             {
+               "y" : 2,
                "name" : "Dave Cross",
-               "drilldown" : "Dave Cross",
-               "y" : 2
+               "drilldown" : "Dave Cross"
+            },
+            {
+               "name" : "Javier Luque",
+               "drilldown" : "Javier Luque",
+               "y" : 5
             },
             {
-               "name" : "Luca Ferrari",
                "y" : 4,
-               "drilldown" : "Luca Ferrari"
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
             },
             {
                "name" : "Mohammad S Anwar",
-               "y" : 1,
-               "drilldown" : "Mohammad S Anwar"
+               "drilldown" : "Mohammad S Anwar",
+               "y" : 1
             },
             {
-               "y" : 1,
+               "name" : "Peter Scott",
                "drilldown" : "Peter Scott",
-               "name" : "Peter Scott"
+               "y" : 1
             },
             {
+               "name" : "Simon Proctor",
                "drilldown" : "Simon Proctor",
-               "y" : 3,
-               "name" : "Simon Proctor"
+               "y" : 3
             }
          ],
-         "colorByPoint" : 1,
          "name" : "Perl Weekly Challenge - 048"
       }
    ],
    "tooltip" : {
       "followPointer" : 1,
-      "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/>"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 5] Last updated at 2020-02-17 12:29:28 GMT"
-   },
-   "xAxis" : {
-      "type" : "category"
+      "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/>"
    },
    "legend" : {
       "enabled" : 0
    },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 6] Last updated at 2020-02-17 12:35:09 GMT"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Dave Cross",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Dave Cross",
             "name" : "Dave Cross"
          },
          {
-            "id" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
+         },
+         {
             "data" : [
                [
                   "Raku",
@@ -90,30 +109,32 @@
                   2
                ]
             ],
+            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari"
          },
          {
             "id" : "Mohammad S Anwar",
+            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "name" : "Mohammad S Anwar"
+            ]
          },
          {
-            "id" : "Peter Scott",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Peter Scott"
+            "name" : "Peter Scott",
+            "id" : "Peter Scott"
          },
          {
             "id" : "Simon Proctor",
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
@@ -123,9 +144,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Simon Proctor"
+            ]
          }
       ]
+   },
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 5e193f1faa..6ea346874f 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "chart" : {
+      "type" : "column"
    },
    "subtitle" : {
-      "text" : "Last updated at 2020-02-17 12:29:28 GMT"
+      "text" : "Last updated at 2020-02-17 12:35:09 GMT"
    },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "legend" : {
       "enabled" : "false"
    },
-   "chart" : {
-      "type" : "column"
-   },
    "series" : [
       {
          "name" : "Contributions",
          "dataLabels" : {
-            "rotation" : -90,
-            "enabled" : "true",
             "y" : 10,
-            "color" : "#FFFFFF",
+            "rotation" : -90,
             "format" : "{point.y:.0f}",
             "style" : {
                "fontSize" : "13px",
                "fontFamily" : "Verdana, sans-serif"
             },
+            "color" : "#FFFFFF",
+            "enabled" : "true",
             "align" : "right"
          },
          "data" : [
             [
                "Blog",
-               507
+               508
             ],
             [
                "Perl",
-               1949
+               1951
             ],
             [
                "Raku",
-               1193
+               1195
             ]
          ]
       }
    ],
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
    "yAxis" : {
       "title" : {
          "text" : null
       },
       "min" : 0
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 46794eafc6..c7ad7a64d4 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,4 +1,13 @@
 {
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
@@ -7,6 +16,9 @@
    "title" : {
       "text" : "Perl Weekly Challenge Language"
    },
+   "xAxis" : {
+      "type" : "category"
+   },
    "series" : [
       {
          "name" : "Perl Weekly Challenge Languages",
@@ -14,13 +26,13 @@
          "data" : [
             {
                "name" : "#001",
-               "y" : 140,
-               "drilldown" : "001"
+               "drilldown" : "001",
+               "y" : 140
             },
             {
-               "name" : "#002",
+               "y" : 109,
                "drilldown" : "002",
-               "y" : 109
+               "name" : "#002"
             },
             {
                "y" : 71,
@@ -28,39 +40,39 @@
                "name" : "#003"
             },
             {
-               "drilldown" : "004",
                "y" : 91,
+               "drilldown" : "004",
                "name" : "#004"
             },
             {
-               "name" : "#005",
                "y" : 71,
-               "drilldown" : "005"
+               "drilldown" : "005",
+               "name" : "#005"
             },
             {
-               "name" : "#006",
                "drilldown" : "006",
+               "name" : "#006",
                "y" : 48
             },
             {
+               "drilldown" : "007",
                "name" : "#007",
-               "y" : 56,
-               "drilldown" : "007"
+               "y" : 56
             },
             {
-               "name" : "#008",
+               "y" : 70,
                "drilldown" : "008",
-               "y" : 70
+               "name" : "#008"
             },
             {
+               "name" : "#009",
                "drilldown" : "009",
-               "y" : 68,
-               "name" : "#009"
+               "y" : 68
             },
             {
-               "drilldown" : "010",
                "y" : 60,
-               "name" : "#010"
+               "name" : "#010",
+               "drilldown" : "010"
             },
             {
                "y" : 79,
@@ -68,54 +80,54 @@
                "name" : "#011"
             },
             {
-               "name" : "#012",
                "y" : 83,
-               "drilldown" : "012"
+               "drilldown" : "012",
+               "name" : "#012"
             },
             {
-               "name" : "#013",
                "y" : 76,
-               "drilldown" : "013"
+               "drilldown" : "013",
+               "name" : "#013"
             },
             {
+               "name" : "#014",
                "drilldown" : "014",
-               "y" : 96,
-               "name" : "#014"
+               "y" : 96
             },
             {
                "y" : 93,
-               "drilldown" : "015",
-               "name" : "#015"
+               "name" : "#015",
+               "drilldown" : "015"
             },
             {
                "y" : 66,
-               "drilldown" : "016",
-               "name" : "#016"
+               "name" : "#016",
+               "drilldown" : "016"
             },
             {
+               "y" : 79,
                "name" : "#017",
-               "drilldown" : "017",
-               "y" : 79
+               "drilldown" : "017"
             },
             {
-               "name" : "#018",
+               "y" : 76,
                "drilldown" : "018",
-               "y" : 76
+               "name" : "#018"
             },
             {
+               "drilldown" : "019",
                "name" : "#019",
-               "y" : 95,
-               "drilldown" : "019"
+               "y" : 95
             },
             {
+               "name" : "#020",
                "drilldown" : "020",
-               "y" : 95,
-               "name" : "#020"
+               "y" : 95
             },
             {
+               "y" : 67,
                "name" : "#021",
-               "drilldown" : "021",
-               "y" : 67
+               "drilldown" : "021"
             },
             {
                "name" : "#022",
@@ -123,24 +135,24 @@
                "y" : 63
             },
             {
-               "name" : "#023",
+               "y" : 91,
                "drilldown" : "023",
-               "y" : 91
+               "name" : "#023"
             },
             {
-               "name" : "#024",
                "drilldown" : "024",
+               "name" : "#024",
                "y" : 70
             },
             {
-               "name" : "#025",
                "y" : 55,
+               "name" : "#025",
                "drilldown" : "025"
             },
             {
-               "drilldown" : "026",
                "y" : 70,
-               "name" : "#026"
+               "name" : "#026",
+               "drilldown" : "026"
             },
             {
                "y" : 58,
@@ -148,54 +160,54 @@
                "name" : "#027"
             },
             {
-               "name" : "#028",
+               "y" : 78,
                "drilldown" : "028",
-               "y" : 78
+               "name" : "#028"
             },
             {
                "drilldown" : "029",
-               "y" : 77,
-               "name" : "#029"
+               "name" : "#029",
+               "y" : 77
             },
             {
+               "y" : 115,
                "name" : "#030",
-               "drilldown" : "030",
-               "y" : 115
+               "drilldown" : "030"
             },
             {
+               "drilldown" : "031",
                "name" : "#031",
-               "y" : 87,
-               "drilldown" : "031"
+               "y" : 87
             },
             {
                "name" : "#032",
-               "y" : 92,
-               "drilldown" : "032"
+               "drilldown" : "032",
+               "y" : 92
             },
             {
                "name" : "#033",
-               "y" : 108,
-               "drilldown" : "033"
+               "drilldown" : "033",
+               "y" : 108
             },
             {
-               "name" : "#034",
+               "y" : 60,
                "drilldown" : "034",
-               "y" : 60
+               "name" : "#034"
             },
             {
+               "drilldown" : "035",
                "name" : "#035",
-               "y" : 60,
-               "drilldown" : "035"
+               "y" : 60
             },
             {
-               "name" : "#036",
                "drilldown" : "036",
+               "name" : "#036",
                "y" : 61
             },
             {
-               "name" : "#037",
+               "y" : 63,
                "drilldown" : "037",
-               "y" : 63
+               "name" : "#037"
             },
             {
                "y" : 60,
@@ -203,87 +215,73 @@
                "name" : "#038"
             },
             {
-               "name" : "#039",
                "y" : 60,
-               "drilldown" : "039"
+               "drilldown" : "039",
+               "name" : "#039"
             },
             {
-               "name" : "#040",
                "y" : 66,
-               "drilldown" : "040"
+               "drilldown" : "040",
+               "name" : "#040"
             },
             {
                "name" : "#041",
-               "y" : 69,
-               "drilldown" : "041"
+               "drilldown" : "041",
+               "y" : 69
             },
             {
                "name" : "#042",
-               "y" : 88,
-               "drilldown" : "042"
+               "drilldown" : "042",
+               "y" : 88
             },
             {
-               "y" : 65,
                "drilldown" : "043",
-               "name" : "#043"
+               "name" : "#043",
+               "y" : 65
             },
             {
-               "y" : 81,
                "drilldown" : "044",
-               "name" : "#044"
+               "name" : "#044",
+               "y" : 81
             },
             {
+               "drilldown" : "045",
                "name" : "#045",
-               "y" : 93,
-               "drilldown" : "045"
+               "y" : 93
             },
             {
-               "drilldown" : "046",
                "y" : 82,
-               "name" : "#046"
+               "name" : "#046",
+               "drilldown" : "046"
             },
             {
-               "y" : 77,
+               "name" : "#047",
                "drilldown" : "047",
-               "name" : "#047"
+               "y" : 77
             },
             {
-               "y" : 11,
+               "name" : "#048",
                "drilldown" : "048",
-               "name" : "#048"
+               "y" : 16
             }
          ]
       }
    ],
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-02-17 12:29:28 GMT"
+   "legend" : {
+      "enabled" : "false"
    },
    "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"
-   },
-   "chart" : {
-      "type" : "column"
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "legend" : {
-      "enabled" : "false"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-02-17 12:35:09 GMT"
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "001",
             "id" : "001",
             "data" : [
                [
@@ -298,12 +296,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "001"
+            ]
          },
          {
-            "name" : "002",
-            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -317,9 +312,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "002",
+            "name" : "002"
          },
          {
+            "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -333,9 +332,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003",
-            "name" : "003"
+            ]
          },
          {
             "name" : "004",
@@ -357,6 +354,7 @@
          },
          {
             "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -370,12 +368,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005"
+            ]
          },
          {
-            "name" : "006",
-            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -389,10 +384,13 @@
                   "Blog",
                   7
                ]
-            ]
+            ],
+            "name" : "006",
+            "id" : "006"
          },
          {
             "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -406,12 +404,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "007"
+            ]
          },
          {
-            "name" : "008",
             "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -428,6 +425,8 @@
             ]
          },
          {
+            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -441,11 +440,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "009",
-            "name" : "009"
+            ]
          },
          {
+            "name" : "010",
             "id" : "010",
             "data" : [
                [
@@ -460,8 +458,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010"
+            ]
          },
          {
             "name" : "011",
@@ -482,6 +479,8 @@
             ]
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -495,11 +494,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012",
-            "name" : "012"
+            ]
          },
          {
+            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -513,11 +512,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "013",
-            "name" : "013"
+            ]
          },
          {
+            "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -531,13 +530,9 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014",
-            "name" : "014"
+            ]
          },
          {
-            "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -551,10 +546,13 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "015",
+            "id" : "015"
          },
          {
             "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -568,11 +566,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016"
+            ]
          },
          {
             "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -586,10 +584,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "017"
+            ]
          },
          {
+            "name" : "018",
             "id" : "018",
             "data" : [
                [
@@ -604,10 +602,10 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "018"
+            ]
          },
          {
+            "name" : "019",
             "id" : "019",
             "data" : [
                [
@@ -622,10 +620,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "019"
+            ]
          },
          {
+            "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -639,11 +638,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020",
-            "name" : "020"
+            ]
          },
          {
+            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -658,10 +656,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021"
+            ]
          },
          {
+            "name" : "022",
+            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -675,9 +674,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "022",
-            "name" : "022"
+            ]
          },
          {
             "data" : [
@@ -694,11 +691,10 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "name" : "023",
+            "id" : "023"
          },
          {
-            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -713,11 +709,10 @@