- Added solutions by Andrew Shitov.

13 files changed, 789 insertions, 761 deletions

diff --git a/challenge-069/ash/blog.txt b/challenge-069/ash/blog.txt
new file mode 100644
index 0000000000..9b0874eab9
--- /dev/null
+++ b/challenge-069/ash/blog.txt
@@ -0,0 +1 @@
+https://andrewshitov.com/2020/07/13/raku-challenge-week-69-issue-1/
diff --git a/challenge-069/ash/raku/ch-1.raku b/challenge-069/ash/raku/ch-1.raku
new file mode 100644
index 0000000000..ddc2fe12cf
--- /dev/null
+++ b/challenge-069/ash/raku/ch-1.raku
@@ -0,0 +1,8 @@
+my $a = 0;
+my $b = 2000;
+
+put grep {
+        $_ ~~ / ^ <[01689]>+ $ / &&
+        $_ eq $_.trans('69' => '96').flip
+    },
+    $a..$b;
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 897f373144..32bde96fe6 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,15 +1,23 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
    "drilldown" : {
       "series" : [
          {
             "data" : [
                [
+                  "Raku",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
+         },
+         {
+            "data" : [
+               [
                   "Perl",
                   2
                ],
@@ -22,8 +30,8 @@
                   1
                ]
             ],
-            "id" : "Javier Luque",
-            "name" : "Javier Luque"
+            "name" : "Javier Luque",
+            "id" : "Javier Luque"
          },
          {
             "data" : [
@@ -36,70 +44,81 @@
                   2
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
+            "name" : "Simon Miner",
+            "id" : "Simon Miner",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "name" : "Simon Miner",
-            "id" : "Simon Miner"
+            ]
          }
       ]
    },
-   "subtitle" : {
-      "text" : "[Champions: 3] Last updated at 2020-07-13 09:57:52 GMT"
+   "xAxis" : {
+      "type" : "category"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 069"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
+            "enabled" : 1,
+            "format" : "{point.y}"
          },
          "borderWidth" : 0
       }
    },
-   "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,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "subtitle" : {
+      "text" : "[Champions: 4] Last updated at 2020-07-13 13:55:57 GMT"
    },
    "series" : [
       {
+         "name" : "Perl Weekly Challenge - 069",
+         "colorByPoint" : 1,
          "data" : [
             {
+               "drilldown" : "Andrew Shitov",
+               "y" : 2,
+               "name" : "Andrew Shitov"
+            },
+            {
                "name" : "Javier Luque",
                "drilldown" : "Javier Luque",
                "y" : 5
             },
             {
+               "y" : 4,
                "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari",
-               "y" : 4
+               "name" : "Luca Ferrari"
             },
             {
-               "y" : 1,
                "drilldown" : "Simon Miner",
+               "y" : 1,
                "name" : "Simon Miner"
             }
-         ],
-         "name" : "Perl Weekly Challenge - 069",
-         "colorByPoint" : 1
+         ]
       }
    ],
-   "xAxis" : {
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 069"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 9ac6ae1ef8..29fd8218f2 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,19 +1,20 @@
 {
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-07-13 13:55:57 GMT"
    },
    "series" : [
       {
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               806
+               807
             ],
             [
                "Perl",
@@ -21,43 +22,42 @@
             ],
             [
                "Raku",
-               1811
+               1812
             ]
          ],
          "dataLabels" : {
+            "enabled" : "true",
             "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "y" : 10,
-            "enabled" : "true",
+            "rotation" : -90,
             "align" : "right",
-            "rotation" : -90
-         },
-         "name" : "Contributions"
+            "color" : "#FFFFFF",
+            "y" : 10
+         }
       }
    ],
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "chart" : {
-      "type" : "column"
-   },
    "legend" : {
       "enabled" : "false"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2020-07-13 09:57:52 GMT"
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 0ea2128bb6..723b304564 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,6 +1,6 @@
 {
-   "legend" : {
-      "enabled" : "false"
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
    },
    "chart" : {
       "type" : "column"
@@ -40,8 +40,8 @@
                   10
                ]
             ],
-            "id" : "002",
-            "name" : "002"
+            "name" : "002",
+            "id" : "002"
          },
          {
             "id" : "003",
@@ -62,6 +62,8 @@
             ]
          },
          {
+            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -75,13 +77,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004",
-            "id" : "004"
+            ]
          },
          {
-            "id" : "005",
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -95,11 +93,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "005",
+            "name" : "005"
          },
          {
-            "id" : "006",
-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -113,7 +111,9 @@
                   "Blog",
                   7
                ]
-            ]
+            ],
+            "name" : "006",
+            "id" : "006"
          },
          {
             "data" : [
@@ -134,8 +134,8 @@
             "id" : "007"
          },
          {
-            "name" : "008",
             "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -166,10 +166,12 @@
                   13
                ]
             ],
-            "id" : "009",
-            "name" : "009"
+            "name" : "009",
+            "id" : "009"
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -183,9 +185,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010",
-            "id" : "010"
+            ]
          },
          {
             "id" : "011",
@@ -206,6 +206,8 @@
             ]
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -219,11 +221,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012",
-            "id" : "012"
+            ]
          },
          {
+            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -237,11 +239,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "013",
-            "name" : "013"
+            ]
          },
          {
+            "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -255,9 +257,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "014",
-            "id" : "014"
+            ]
          },
          {
             "data" : [
@@ -278,6 +278,8 @@
             "name" : "015"
          },
          {
+            "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -291,13 +293,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016",
-            "name" : "016"
+            ]
          },
          {
-            "id" : "017",
             "name" : "017",
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -332,8 +332,8 @@
             ]
          },
          {
-            "name" : "019",
             "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -350,6 +350,8 @@
             ]
          },
          {
+            "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -363,9 +365,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020",
-            "name" : "020"
+            ]
          },
          {
             "data" : [
@@ -386,8 +386,6 @@
             "id" : "021"
          },
          {
-            "id" : "022",
-            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -401,7 +399,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "022",
+            "id" : "022"
          },
          {
             "data" : [
@@ -422,6 +422,8 @@
             "id" : "023"
          },
          {
+            "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -435,9 +437,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "024",
-            "name" : "024"
+            ]
          },
          {
             "data" : [
@@ -454,12 +454,10 @@
                   12
                ]
             ],
-            "name" : "025",
-            "id" : "025"
+            "id" : "025",
+            "name" : "025"
          },
          {
-            "id" : "026",
-            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -473,11 +471,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "026",
+            "name" : "026"
          },
          {
-            "name" : "027",
             "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -494,8 +494,8 @@
             ]
          },
          {
-            "id" : "028",
             "name" : "028",
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -512,6 +512,8 @@
             ]
          },
          {
+            "name" : "029",
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -525,9 +527,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "029",
-            "id" : "029"
+            ]
          },
          {
             "data" : [
@@ -544,8 +544,8 @@
                   10
                ]
             ],
-            "name" : "030",
-            "id" : "030"
+            "id" : "030",
+            "name" : "030"
          },
          {
             "data" : [
@@ -580,10 +580,12 @@
                   10
                ]
             ],
-            "name" : "032",
-            "id" : "032"
+            "id" : "032",
+            "name" : "032"
          },
          {
+            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -597,11 +599,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "033",
-            "id" : "033"
+            ]
          },
          {
+            "name" : "034",
+            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -615,13 +617,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "034",
-            "name" : "034"
+            ]
          },
          {
-            "name" : "035",
-            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -635,7 +633,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "035",
+            "name" : "035"
          },
          {
             "data" : [
@@ -652,12 +652,10 @@
                   11
                ]
             ],
-            "id" : "036",
-            "name" : "036"
+            "name" : "036",
+            "id" : "036"
          },
          {
-            "id" : "037",
-            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -671,9 +669,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "037",
+            "id" : "037"
          },
          {
+            "name" : "038",
+            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -687,9 +689,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "038",
-            "id" : "038"
+            ]
          },
          {
             "data" : [
@@ -710,6 +710,8 @@
             "id" : "039"
          },
          {
+            "name" : "040",
+            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -723,9 +725,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040",
-            "id" : "040"
+            ]
          },
          {
             "data" : [
@@ -778,12 +778,10 @@
                   11
                ]
             ],
-            "name" : "043",
-            "id" : "043"
+            "id" : "043",
+            "name" : "043"
          },
          {
-            "name" : "044",
-            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -797,11 +795,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "044",
+            "name" : "044"
          },
          {
-            "id" : "045",
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -815,7 +813,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "045",
+            "id" : "045"
          },
          {
             "data" : [
@@ -832,10 +832,12 @@
                   10
                ]
             ],
-            "name" : "046",
-            "id" : "046"
+            "id" : "046",
+            "name" : "046"
          },
          {
+            "name" : "047",
+            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -849,13 +851,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "047",
-            "name" : "047"
+            ]
          },
          {
-            "id" : "048",
-            "name" : "048",
             "data" : [
                [
                   "Perl",
@@ -869,11 +867,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "048",
+            "id" : "048"
          },
          {
-            "id" : "049",
-            "name" : "049",
             "data" : [
                [
                   "Perl",
@@ -887,11 +885,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "049",
+            "name" : "049"
          },
          {
-            "id" : "050",
-            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -905,7 +903,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "050",
+            "id" : "050"
          },
          {
             "id" : "051",
@@ -926,8 +926,6 @@
             ]
          },
          {
-            "name" : "052",
-            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -941,11 +939,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "052",
+            "id" : "052"
          },
          {
-            "id" : "053",
-            "name" : "053",
             "data" : [
                [
                   "Perl",
@@ -959,9 +957,13 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "053",
+            "id" : "053"
          },
          {
+            "id" : "054",
+            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -975,9 +977,7 @@
                   "Blog",
                   18
                ]
-            ],
-            "id" : "054",
-            "name" : "054"
+            ]
          },
          {
             "data" : [
@@ -994,10 +994,12 @@
                   14
                ]
             ],
-            "name" : "055",
-            "id" : "055"
+            "id" : "055",
+            "name" : "055"
          },
          {
+            "id" : "056",
+            "name" : "056",
             "data" : [
                [
                   "Perl",
@@ -1011,11 +1013,11 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "056",
-            "name" : "056"
+            ]
          },
          {
+            "id" : "057",
+            "name" : "057",
             "data" : [
                [
                   "Perl",
@@ -1029,9 +1031,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "057",
-            "id" : "057"
+            ]
          },
          {
             "data" : [
@@ -1048,8 +1048,8 @@
                   12
                ]
             ],
-            "name" : "058",
-            "id" : "058"
+            "id" : "058",
+            "name" : "058"
          },
          {
             "id" : "059",
@@ -1070,8 +1070,6 @@
             ]
          },
          {
-            "id" : "060",
-            "name" : "060",
             "data" : [
                [
                   "Perl",
@@ -1085,9 +1083,13 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "060",
+            "name" : "060"
          },
          {
+            "id" : "061",
+            "name" : "061",
             "data" : [
                [
                   "Perl",
@@ -1101,13 +1103,9 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "061",
-            "id" : "061"
+            ]
          },
          {
-            "id" : "062",
-            "name" : "062",
             "data" : [
                [
                   "Perl",
@@ -1121,9 +1119,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "062",
+            "name" : "062"
          },
          {
+            "id" : "063",
+            "name" : "063",
             "data" : [
                [
                   "Perl",
@@ -1137,13 +1139,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "063",
-            "name" : "063"
+            ]
          },
          {
-            "id" : "064",
             "name" : "064",
+            "id" : "064",
             "data" : [
                [
                   "Perl",
@@ -1196,8 +1196,8 @@
             "id" : "066"
          },
          {
-            "name" : "067",
             "id" : "067",
+            "name" : "067",
             "data" : [
                [
                   "Perl",
@@ -1228,12 +1228,10 @@
                   9
                ]
             ],
-            "id" : "068",
-            "name" : "068"
+            "name" : "068",
+            "id" : "068"
          },
          {
-            "id" : "069",
-            "name" : "069",
             "data" : [
                [
                   "Perl",
@@ -1241,52 +1239,51 @@
                ],
                [
                   "Raku",
-                  4
+                  5
                ],
                [
                   "Blog",
-                  3
+                  4
                ]
-            ]
+            ],
+            "id" : "069",
+            "name" : "069"
          }
       ]
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-07-13 09:57:52 GMT"
+   "xAxis" : {
+      "type" : "category"
    },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
+            "enabled" : 1,
+            "format" : "{point.y}"
          },
          "borderWidth" : 0
       }
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "legend" : {
+      "enabled" : "false"
    },
    "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
       "followPointer" : "true",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
    },
    "series" : [
       {
+         "name" : "Perl Weekly Challenge Languages",
+         "colorByPoint" : "true",
          "data" : [
             {
-               "drilldown" : "001",
                "name" : "#001",
+               "drilldown" : "001",
                "y" : 142
             },
             {
-               "y" : 109,
                "name" : "#002",
+               "y" : 109,
                "drilldown" : "002"
             },
             {
@@ -1295,44 +1292,44 @@
                "y" : 71
             },
             {
-               "drilldown" : "004",
                "name" : "#004",
+               "drilldown" : "004",
                "y" : 91
             },
             {
+               "name" : "#005",
                "y" : 72,
-               "drilldown" : "005",
-               "name" : "#005"
+               "drilldown" : "005"
             },
             {
-               "y" : 52,
                "drilldown" : "006",
+               "y" : 52,
                "name" : "#006"
             },
             {
                "y" : 59,
-               "name" : "#007",
-               "drilldown" : "007"
+               "drilldown" : "007",
+               "name" : "#007"
             },
             {
-               "y" : 72,
+               "name" : "#008",
                "drilldown" : "008",
-               "name" : "#008"
+               "y" : 72
             },
             {
                "y" : 68,
-               "name" : "#009",
-               "drilldown" : "009"
+               "drilldown" : "009",
+               "name" : "#009"
             },
             {
+               "drilldown" : "010",
                "y" : 60,
-               "name" : "#010",
-               "drilldown" : "010"
+               "name" : "#010"
             },
             {
+               "name" : "#011",
                "y" : 79,
-               "drilldown" : "011",
-               "name" : "#011"
+               "drilldown" : "011"
             },
             {
                "y" : 83,
@@ -1340,38 +1337,38 @@
                "name" : "#012"
             },
             {
-               "y" : 76,
                "drilldown" : "013",
+               "y" : 76,
                "name" : "#013"
             },
             {
-               "name" : "#014",
+               "y" : 96,
                "drilldown" : "014