- Added solutions by E. Choroba.

13 files changed, 907 insertions, 892 deletions

diff --git a/challenge-068/e-choroba/perl5/ch-1.pl b/challenge-068/e-choroba/perl/ch-1.pl
index da15d2f5ef..da15d2f5ef 100755
--- a/challenge-068/e-choroba/perl5/ch-1.pl
+++ b/challenge-068/e-choroba/perl/ch-1.pl
diff --git a/challenge-068/e-choroba/perl5/ch-2.pl b/challenge-068/e-choroba/perl/ch-2.pl
index 7e81ecbccc..7e81ecbccc 100755
--- a/challenge-068/e-choroba/perl5/ch-2.pl
+++ b/challenge-068/e-choroba/perl/ch-2.pl
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index e51095c44c..38d0f7ae02 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,50 +1,8 @@
 {
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-      "type" : "column"
-   },
-   "series" : [
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-         "colorByPoint" : 1,
-         "data" : [
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-               "y" : 2,
-               "drilldown" : "Andrew Shitov",
-               "name" : "Andrew Shitov"
-            },
-            {
-               "name" : "Javier Luque",
-               "drilldown" : "Javier Luque",
-               "y" : 5
-            },
-            {
-               "y" : 4,
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 1
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor",
-               "y" : 2
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 068"
-      }
-   ],
-   "xAxis" : {
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 068"
-   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
@@ -55,10 +13,19 @@
                   1
                ]
             ],
-            "id" : "Andrew Shitov"
+            "name" : "Andrew Shitov"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "E. Choroba",
+            "name" : "E. Choroba"
          },
          {
-            "name" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -73,9 +40,11 @@
                   1
                ]
             ],
-            "id" : "Javier Luque"
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
          },
          {
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -86,7 +55,6 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari"
          },
          {
@@ -100,25 +68,55 @@
             "id" : "Mark Anderson"
          },
          {
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "id" : "Simon Proctor",
             "name" : "Simon Proctor"
          }
       ]
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 2,
+               "name" : "Andrew Shitov",
+               "drilldown" : "Andrew Shitov"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Javier Luque",
+               "name" : "Javier Luque"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
+            },
+            {
+               "y" : 1,
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor"
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 068"
       }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
+   ],
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
@@ -128,12 +126,29 @@
          }
       }
    },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 068"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "tooltip" : {
       "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/>",
-      "followPointer" : 1
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "subtitle" : {
-      "text" : "[Champions: 5] Last updated at 2020-07-06 20:28:24 GMT"
+      "text" : "[Champions: 6] Last updated at 2020-07-06 22:10:14 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index e778a9b33f..d46e6508c2 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,19 +1,28 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
+   "yAxis" : {
+      "title" : {
+         "text" : null
       },
-      "type" : "category"
+      "min" : 0
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "series" : [
       {
          "name" : "Contributions",
+         "dataLabels" : {
+            "enabled" : "true",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "align" : "right",
+            "rotation" : -90,
+            "color" : "#FFFFFF",
+            "y" : 10,
+            "format" : "{point.y:.0f}"
+         },
          "data" : [
             [
                "Blog",
@@ -21,43 +30,34 @@
             ],
             [
                "Perl",
-               2791
+               2793
             ],
             [
                "Raku",
                1791
             ]
-         ],
-         "dataLabels" : {
-            "rotation" : -90,
-            "y" : 10,
-            "align" : "right",
-            "color" : "#FFFFFF",
-            "enabled" : "true",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "format" : "{point.y:.0f}"
-         }
+         ]
       }
    ],
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
    "legend" : {
       "enabled" : "false"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
+   "subtitle" : {
+      "text" : "Last updated at 2020-07-06 22:10:14 GMT"
+   },
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
+   },
+   "chart" : {
+      "type" : "column"
    },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-07-06 20:28:24 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 8159e46b51..49e3b0ef8c 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,28 +1,34 @@
 {
-   "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"
-   },
    "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-07-06 20:28:24 GMT"
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-07-06 22:10:14 GMT"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "legend" : {
       "enabled" : "false"
    },
+   "tooltip" : {
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
    "drilldown" : {
       "series" : [
          {
             "name" : "001",
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -36,11 +42,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "001"
+            ]
          },
          {
-            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -55,9 +59,11 @@
                   10
                ]
             ],
+            "id" : "002",
             "name" : "002"
          },
          {
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -72,11 +78,10 @@
                   9
                ]
             ],
-            "id" : "003",
-            "name" : "003"
+            "id" : "003"
          },
          {
-            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -91,9 +96,10 @@
                   10
                ]
             ],
-            "name" : "004"
+            "id" : "004"
          },
          {
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -108,10 +114,10 @@
                   12
                ]
             ],
-            "name" : "005",
-            "id" : "005"
+            "name" : "005"
          },
          {
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -126,11 +132,10 @@
                   7
                ]
             ],
-            "name" : "006",
             "id" : "006"
          },
          {
-            "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -145,10 +150,10 @@
                   10
                ]
             ],
-            "id" : "007"
+            "name" : "007"
          },
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-            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -163,9 +168,11 @@
                   12
                ]
             ],
-            "name" : "008"
+            "id" : "008"
          },
          {
+            "name" : "009",
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -179,12 +186,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009",
-            "id" : "009"
+            ]
          },
          {
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -199,6 +203,7 @@
                   11
                ]
             ],
+            "id" : "010",
             "name" : "010"
          },
          {
@@ -220,7 +225,7 @@
             "name" : "011"
          },
          {
-            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -235,9 +240,10 @@
                   11
                ]
             ],
-            "id" : "012"
+            "name" : "012"
          },
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+            "name" : "013",
             "data" : [
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                   "Perl",
@@ -252,7 +258,6 @@
                   13
                ]
             ],
-            "name" : "013",
             "id" : "013"
          },
          {
@@ -274,6 +279,7 @@
             "id" : "014"
          },
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+            "id" : "015",
             "data" : [
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                   "Perl",
@@ -288,10 +294,11 @@
                   15
                ]
             ],
-            "id" : "015",
             "name" : "015"
          },
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+            "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -305,11 +312,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016",
-            "name" : "016"
+            ]
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          {
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -324,11 +330,10 @@
                   12
                ]
             ],
-            "name" : "017",
             "id" : "017"
          },
          {
-            "name" : "018",
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -343,10 +348,9 @@
                   14
                ]
             ],
-            "id" : "018"
+            "name" : "018"
          },
          {
-            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -361,6 +365,7 @@
                   13
                ]
             ],
+            "id" : "019",
             "name" : "019"
          },
          {
@@ -382,6 +387,8 @@
             "name" : "020"
          },
          {
+            "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -395,12 +402,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021",
-            "id" : "021"
+            ]
          },
          {
-            "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -415,7 +420,7 @@
                   10
                ]
             ],
-            "name" : "022"
+            "id" : "022"
          },
          {
             "data" : [
@@ -432,11 +437,10 @@
                   12
                ]
             ],
-            "name" : "023",
-            "id" : "023"
+            "id" : "023",
+            "name" : "023"
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-            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -451,9 +455,11 @@
                   11
                ]
             ],
-            "id" : "024"
+            "id" : "024",
+            "name" : "024"
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+            "id" : "025",
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                [
                   "Perl",
@@ -468,11 +474,10 @@
                   12
                ]
             ],
-            "id" : "025",
             "name" : "025"
          },
          {
-            "id" : "026",
+            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -487,10 +492,9 @@
                   10
                ]
             ],
-            "name" : "026"
+            "id" : "026"
          },
          {
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -505,6 +509,7 @@
                   9
                ]
             ],
+            "id" : "027",
             "name" : "027"
          },
          {
@@ -526,7 +531,7 @@
             "name" : "028"
          },
          {
-            "id" : "029",
+            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -541,10 +546,9 @@
                   12
                ]
             ],
-            "name" : "029"
+            "id" : "029"
          },
          {
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -559,9 +563,12 @@
                   10
                ]
             ],
-            "id" : "030"
+            "id" : "030",
+            "name" : "030"
          },
          {
+            "name" : "031",
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -575,9 +582,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "031",
-            "id" : "031"
+            ]
          },
          {
             "name" : "032",
@@ -598,7 +603,6 @@
             "id" : "032"
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-            "name" : "033",
             "data" : [
                [
                   "Perl",
@@ -613,10 +617,10 @@
                   10
                ]
             ],
-            "id" : "033"
+            "id" : "033",
+            "name" : "033"
          },
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-            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -631,9 +635,12 @@
                   11
                ]
             ],
+            "id" : "034",
             "name" : "034"
          },
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+            "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -647,9 +654,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "035",
-            "name" : "035"
+            ]
          },
          {
             "id" : "036",
@@ -670,6 +675,7 @@
             "name" : "036"
          },
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+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -684,10 +690,10 @@
                   9
                ]
             ],
-            "name" : "037",
             "id" : "037"
          },
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+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -702,7 +708,6 @@
                   12
                ]
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-            "name" : "038",
             "id" : "038"
          },
          {
@@ -724,6 +729,7 @@
             "id" : "039"
          },
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+            "name" : "040",
             "id" : "040",
             "data" : [
                [
@@ -738,10 +744,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040"
+            ]
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+            "name" : "041",
+            "id" : "041",
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                   "Perl",
@@ -755,12 +762,10 @@
                   "Blog",
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-            ],
-            "name" : "041",
-            "id" : "041"
+            ]
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+            "name" : "042",
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                   "Perl",
@@ -775,9 +780,10 @@
                   11
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-            "name" : "042"
+            "id" : "042"
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+            "name" : "043",
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                [
                   "Perl",
@@ -792,11 +798,10 @@
                   11
                ]
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-            "name" : "043"
+            "id" : "043"
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-            "name" : "044",
+            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -811,9 +816,10 @@
                   11
                ]
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-            "id" : "044"
+            "name" : "044"
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+            "id" : "045",
             "data" : [
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                   "Perl",
@@ -828,11 +834,11 @@
                   11
                ]
             ],
-            "name" : "045",
-            "id" : "045"
+            "name" : "045"
          },
          {
             "name" : "046",
+            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -846,10 +852,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "046"
+            ]
          },
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             "data" : [
                [
                   "Perl",
@@ -864,10 +870,10 @@
                   10
                ]
             ],
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-            "name" : "047"
+            "id" : "047"
          },
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+            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -882,7 +888,6 @@
                   12
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@@ -900,8 +905,8 @@
                   12
                ]
             ],
-            "name" : "049",
-            "id" : "049"
+            "id" : "049",
+            "name" : "049"
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@@ -922,7 +927,6 @@
             "id" : "050"
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-            "id" : "051",
             "data" : [
                [
                   "Perl",
@@ -937,6 +941,7 @@
                   11
                ]
             ],
+            "id" : "051",
             "name" : "051"
          },
          {
@@ -958,6 +963,7 @@
             "name" : "052"
          },
          {
+            "name" : "053",
             "data" : [
                [
                   "Perl",
@@ -972,11 +978,10 @@
                   15
                ]
             ],
-            "name" : "053",
             "id" : "053"
          },
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-            "id" : "054",
+            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -991,9 +996,10 @@
                   16
                ]
             ],
-            "name" : "054"
+            "id" : "054"
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+            "id" : "055",
             "data" : [
                [
                   "Perl",
@@ -1008,8 +1014,7 @@
                   14
                ]
             ],
-            "name" : "055",
-            "id" : "055"
+            "name" : "055"
          },
          {
             "name" : "056",
@@ -1030,6 +1035,8 @@
             "id" : "056"
          },
          {
+            "name" : "057",
+            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1043,12 +1050,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "057",
-            "name" : "057"
+            ]
          },
          {
-            "id" : "058",
+            "name" : "058",
             "data" : [
                [
                   "Perl",
@@ -1063,9 +1068,10 @@
                   12
                ]
             ],
-            "name" : "058"
+            "id" : "058"
          },
          {
+            "name" : "059",
             "id" : "059",
             "data" : [
                [
@@ -1080,10 +1086,10 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "059"
+            ]
          },
          {
+            "name" : "060",
             "id" : "060",
             "data" : [
                [
@@ -1098,8 +1104,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "060"
+            ]
          },
          {
             "id" : "061",
@@ -1120,7 +1125,6 @@
             "name" : "061"
          },
          {
-            "name" : "062",
             "data" : [
                [
                   "Perl",
@@ -1135,9 +1139,12 @@
                   11
                ]
             ],
-            "id" : "062"
+            "id" : "062",
+            "name" : "062"
          },
          {
+            "name" : "063",
+            "id" : "063",
             "data" : [
                [
                   "Perl",
@@ -1151,9 +1158,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "063",
-            "id" : "063"
+            ]
          },
          {
             "name" : "064",
@@ -1192,6 +1197,7 @@
             "id" : "065"
          },
          {
+            "name" : "066",
             "id" : "066",
             "data" : [
                [
@@ -1206,8 +1212,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "066"
+            ]
          },
          {
             "data" : [
@@ -1228,11 +1233,12 @@
             "name" : "067"
          },
          {
+            "name" : "068",
             "id" : "068",
             "data" : [
                [
                   "Perl",
-                  2
+                  4
                ],
                [
                   "Raku",
@@ -1242,31 +1248,22 @@
                   "Blog",
                   4
                ]
-            ],
-            "name" : "068"
+            ]
          }
       ]
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
-   },
    "series" : [
       {
          "data" : [
             {
-               "drilldown" : "001",
+               "y" : 142,
                "name" : "#001",
-               "y" : 142
+               "drilldown" : "001"
             },
             {
-               "drilldown" : "002",
+               "y" : 109,
                "name" : "#002",
-               "y" : 109
+               "drilldown" : "002"
             },
             {
                "y" : 71,
@@ -1284,24 +1281,24 @@
                "y" : 72
             },
             {
-               "y" : 52,
                "drilldown" : "006",
-               "name" : "#006"
+               "name" : "#006",
+               "y" : 52
             },
             {
-               "y" : 59,
+