- Added solutions by Shahed Nooshmand.

14 files changed, 1050 insertions, 1026 deletions

diff --git a/challenge-070/shahed-nooshmand/blog.txt b/challenge-070/shahed-nooshmand/blog.txt
new file mode 100644
index 0000000000..361af03efe
--- /dev/null
+++ b/challenge-070/shahed-nooshmand/blog.txt
@@ -0,0 +1 @@
+https://rafraichisso.ir/2020/07/24/pwc-70
diff --git a/challenge-070/shahed-nooshmand/raku/ch-1.raku b/challenge-070/shahed-nooshmand/raku/ch-1.raku
new file mode 100644
index 0000000000..229c9a50ea
--- /dev/null
+++ b/challenge-070/shahed-nooshmand/raku/ch-1.raku
@@ -0,0 +1,3 @@
+my @s = $S.comb;
+@s[$_, ($_ + $O) % $N] = @s[($_ + $O) % $N, $_] for 1..$C;
+say @s.join;
diff --git a/challenge-070/shahed-nooshmand/raku/ch-2.raku b/challenge-070/shahed-nooshmand/raku/ch-2.raku
new file mode 100644
index 0000000000..73eefb0484
--- /dev/null
+++ b/challenge-070/shahed-nooshmand/raku/ch-2.raku
@@ -0,0 +1 @@
+[""], { |.map(0 ~ *), |.reverse.map(1 ~ *) } … ∞
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index e7cb24a406..e19782a668 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,9 +1,4 @@
 {
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
@@ -13,23 +8,19 @@
          "borderWidth" : 0
       }
    },
-   "chart" : {
-      "type" : "column"
-   },
    "series" : [
       {
-         "colorByPoint" : 1,
          "name" : "Perl Weekly Challenge - 070",
          "data" : [
             {
-               "drilldown" : "Andrew Shitov",
                "y" : 4,
-               "name" : "Andrew Shitov"
+               "name" : "Andrew Shitov",
+               "drilldown" : "Andrew Shitov"
             },
             {
+               "y" : 5,
                "drilldown" : "Arne Sommer",
-               "name" : "Arne Sommer",
-               "y" : 5
+               "name" : "Arne Sommer"
             },
             {
                "y" : 4,
@@ -42,49 +33,54 @@
                "y" : 1
             },
             {
-               "y" : 2,
                "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
+               "drilldown" : "Dave Jacoby",
+               "y" : 2
             },
             {
+               "name" : "Javier Luque",
                "drilldown" : "Javier Luque",
-               "y" : 5,
-               "name" : "Javier Luque"
+               "y" : 5
             },
             {
-               "y" : 2,
                "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey"
+               "drilldown" : "Jorg Sommrey",
+               "y" : 2
             },
             {
+               "drilldown" : "Luca Ferrari",
                "name" : "Luca Ferrari",
-               "y" : 4,
-               "drilldown" : "Luca Ferrari"
+               "y" : 4
             },
             {
-               "name" : "Mark Anderson",
                "y" : 2,
+               "name" : "Mark Anderson",
                "drilldown" : "Mark Anderson"
             },
             {
-               "y" : 4,
                "name" : "Mohammad S Anwar",
-               "drilldown" : "Mohammad S Anwar"
+               "drilldown" : "Mohammad S Anwar",
+               "y" : 4
             },
             {
-               "y" : 2,
+               "drilldown" : "Niels van Dijke",
                "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke"
+               "y" : 2
             },
             {
-               "drilldown" : "Pete Houston",
                "y" : 2,
-               "name" : "Pete Houston"
+               "name" : "Pete Houston",
+               "drilldown" : "Pete Houston"
             },
             {
-               "y" : 5,
+               "drilldown" : "Roger Bell_West",
                "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
+               "y" : 5
+            },
+            {
+               "y" : 3,
+               "name" : "Shahed Nooshmand",
+               "drilldown" : "Shahed Nooshmand"
             },
             {
                "drilldown" : "Simon Green",
@@ -97,9 +93,9 @@
                "drilldown" : "Simon Proctor"
             },
             {
+               "y" : 4,
                "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke",
-               "y" : 4
+               "name" : "Ulrich Rieke"
             },
             {
                "drilldown" : "Walt Mankowski",
@@ -108,15 +104,38 @@
             },
             {
                "y" : 2,
-               "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc"
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc"
             }
-         ]
+         ],
+         "colorByPoint" : 1
       }
    ],
    "legend" : {
       "enabled" : 0
    },
+   "chart" : {
+      "type" : "column"
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "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/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 070"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2020-07-25 11:23:34 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -134,8 +153,6 @@
             "name" : "Andrew Shitov"
          },
          {
-            "name" : "Arne Sommer",
-            "id" : "Arne Sommer",
             "data" : [
                [
                   "Perl",
@@ -149,7 +166,9 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
          },
          {
             "data" : [
@@ -166,24 +185,24 @@
             "name" : "Athanasius"
          },
          {
-            "name" : "Csaba Simandi",
-            "id" : "Csaba Simandi",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Csaba Simandi",
+            "id" : "Csaba Simandi"
          },
          {
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
             "data" : [
@@ -204,18 +223,18 @@
             "name" : "Javier Luque"
          },
          {
-            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Jorg Sommrey",
             "name" : "Jorg Sommrey"
          },
          {
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -228,16 +247,18 @@
             ]
          },
          {
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
@@ -247,29 +268,27 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mohammad S Anwar",
-            "name" : "Mohammad S Anwar"
+            ]
          },
          {
             "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Niels van Dijke"
+            ]
          },
          {
             "id" : "Pete Houston",
+            "name" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Pete Houston"
+            ]
          },
          {
             "data" : [
@@ -286,13 +305,13 @@
                   1
                ]
             ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West"
          },
          {
             "data" : [
                [
-                  "Perl",
+                  "Raku",
                   2
                ],
                [
@@ -300,22 +319,36 @@
                   1
                ]
             ],
+            "id" : "Shahed Nooshmand",
+            "name" : "Shahed Nooshmand"
+         },
+         {
             "id" : "Simon Green",
-            "name" : "Simon Green"
+            "name" : "Simon Green",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
          },
          {
             "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Simon Proctor"
+            ]
          },
          {
-            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -328,14 +361,14 @@
             ]
          },
          {
+            "id" : "Walt Mankowski",
+            "name" : "Walt Mankowski",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Walt Mankowski",
-            "name" : "Walt Mankowski"
+            ]
          },
          {
             "data" : [
@@ -348,19 +381,5 @@
             "name" : "Wanderdoc"
          }
       ]
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2020-07-25 00:57:11 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 070"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index b255474bb4..bc0284ab70 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,26 +1,16 @@
 {
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
    "chart" : {
       "type" : "column"
    },
    "series" : [
       {
-         "dataLabels" : {
-            "y" : 10,
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "rotation" : -90,
-            "enabled" : "true"
-         },
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               829
+               830
             ],
             [
                "Perl",
@@ -28,36 +18,46 @@
             ],
             [
                "Raku",
-               1854
+               1856
             ]
-         ]
+         ],
+         "dataLabels" : {
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
+            "y" : 10,
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "enabled" : "true",
+            "color" : "#FFFFFF"
+         },
+         "name" : "Contributions"
       }
    ],
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "legend" : {
+      "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-07-25 11:23:34 GMT"
    },
    "xAxis" : {
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
       }
    },
-   "subtitle" : {
-      "text" : "Last updated at 2020-07-25 00:57:11 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "legend" : {
-      "enabled" : "false"
+      },
+      "min" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index e392627591..ede6755fc3 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,12 +1,20 @@
 {
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
    "xAxis" : {
       "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
             "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -23,8 +31,8 @@
             ]
          },
          {
-            "name" : "002",
             "id" : "002",
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -41,6 +49,7 @@
             ]
          },
          {
+            "id" : "003",
             "name" : "003",
             "data" : [
                [
@@ -55,10 +64,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003"
+            ]
          },
          {
+            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -72,12 +82,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004",
-            "name" : "004"
+            ]
          },
          {
             "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -91,8 +100,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005"
+            ]
          },
          {
             "name" : "006",
@@ -114,6 +122,7 @@
          },
          {
             "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -127,10 +136,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "007"
+            ]
          },
          {
+            "name" : "008",
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -144,13 +154,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "008",
-            "name" : "008"
+            ]
          },
          {
-            "name" : "009",
             "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -167,6 +175,8 @@
             ]
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -180,11 +190,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010",
-            "name" : "010"
+            ]
          },
          {
+            "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -198,12 +208,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "011",
-            "name" : "011"
+            ]
          },
          {
-            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -218,10 +225,10 @@
                   11
                ]
             ],
+            "id" : "012",
             "name" : "012"
          },
          {
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -236,10 +243,12 @@
                   13
                ]
             ],
+            "id" : "013",
             "name" : "013"
          },
          {
             "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -253,11 +262,9 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014"
+            ]
          },
          {
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -272,10 +279,12 @@
                   15
                ]
             ],
-            "id" : "015"
+            "id" : "015",
+            "name" : "015"
          },
          {
             "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -289,11 +298,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016"
+            ]
          },
          {
-            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -308,10 +315,10 @@
                   12
                ]
             ],
+            "id" : "017",
             "name" : "017"
          },
          {
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -326,10 +333,10 @@
                   14
                ]
             ],
-            "name" : "018"
+            "name" : "018",
+            "id" : "018"
          },
          {
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -344,11 +351,10 @@
                   13
                ]
             ],
+            "name" : "019",
             "id" : "019"
          },
          {
-            "name" : "020",
-            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -362,10 +368,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "020",
+            "id" : "020"
          },
          {
-            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -380,10 +387,12 @@
                   10
                ]
             ],
+            "id" : "021",
             "name" : "021"
          },
          {
             "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -397,10 +406,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "022"
+            ]
          },
          {
+            "name" : "023",
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -414,11 +424,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "023",
-            "name" : "023"
+            ]
          },
          {
+            "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -432,12 +442,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "024",
-            "name" : "024"
+            ]
          },
          {
-            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -452,9 +459,11 @@
                   12
                ]
             ],
+            "id" : "025",
             "name" : "025"
          },
          {
+            "name" : "026",
             "id" : "026",
             "data" : [
                [
@@ -469,11 +478,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "026"
+            ]
          },
          {
-            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -488,10 +495,10 @@
                   9
                ]
             ],
+            "name" : "027",
             "id" : "027"
          },
          {
-            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -506,11 +513,10 @@
                   9
                ]
             ],
+            "name" : "028",
             "id" : "028"
          },
          {
-            "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -524,10 +530,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029",
+            "name" : "029"
          },
          {
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -542,11 +549,10 @@
                   10
                ]
             ],
-            "id" : "030"
+            "id" : "030",
+            "name" : "030"
          },
          {
-            "name" : "031",
-            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -560,7 +566,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031",
+            "id" : "031"
          },
          {
             "name" : "032",
@@ -581,6 +589,7 @@
             ]
          },
          {
+            "id" : "033",
             "name" : "033",
             "data" : [
                [
@@ -595,8 +604,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033"
+            ]
          },
          {
             "data" : [
@@ -613,8 +621,8 @@
                   11
                ]
             ],
-            "id" : "034",
-            "name" : "034"
+            "name" : "034",
+            "id" : "034"
          },
          {
             "name" : "035",
@@ -654,6 +662,7 @@
          },
          {
             "name" : "037",
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -667,8 +676,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "037"
+            ]
          },
          {
             "name" : "038",
@@ -689,7 +697,6 @@
             ]
          },
          {
-            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -704,10 +711,12 @@
                   12
                ]
             ],
-            "name" : "039"
+            "name" : "039",
+            "id" : "039"
          },
          {
             "id" : "040",
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -721,11 +730,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040"
+            ]
          },
          {
-            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -740,7 +747,8 @@
                   9
                ]
             ],
-            "name" : "041"
+            "name" : "041",
+            "id" : "041"
          },
          {
             "name" : "042",
@@ -761,8 +769,6 @@
             ]
          },
          {
-            "name" : "043",
-            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -776,11 +782,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "043",
+            "id" : "043"
          },
          {
-            "name" : "044",
-            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -794,11 +800,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "044",
+            "name" : "044"
          },
          {
-            "name" : "045",
             "id" : "045",
+            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -829,11 +837,10 @@
                   10
                ]
             ],
-            "id" : "046",
-            "name" : "046"
+            "name" : "046",
+            "id" : "046"
          },
          {
-            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -848,9 +855,11 @@
                   10
                ]
             ],
+            "id" : "047",
             "name" : "047"
          },
          {
+            "name" : "048",
             "id" : "048",
             "data" : [
                [
@@ -865,12 +874,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "048"
+            ]
          },
          {
-            "name" : "049",
-            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -884,7 +890,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "049",
+            "name" : "049"
          },
          {
             "data" : [
@@ -901,8 +909,8 @@
                   12
                ]
             ],
-            "id" : "050",
-            "name" : "050"
+            "name" : "050",
+            "id" : "050"
          },
          {
             "name" : "051",
@@ -923,7 +931,6 @@
             ]
          },
          {
-            "name" : "052",
             "data" : [
                [
                   "Perl",
@@ -938,11 +945,10 @@
                   14
                ]
             ],
+            "name" : "052",</