- Added solutions by Laurent Rosenfeld.

17 files changed, 2170 insertions, 2090 deletions

diff --git a/challenge-167/laurent-rosenfeld/blog.txt b/challenge-167/laurent-rosenfeld/blog.txt
new file mode 100644
index 0000000000..7ddf8f231d
--- /dev/null
+++ b/challenge-167/laurent-rosenfeld/blog.txt
@@ -0,0 +1 @@
+http://blogs.perl.org/users/laurent_r/2022/05/perl-weekly-challenge-167-circular-primes.html
diff --git a/challenge-167/laurent-rosenfeld/perl/ch-1.pl b/challenge-167/laurent-rosenfeld/perl/ch-1.pl
new file mode 100644
index 0000000000..b5c8018430
--- /dev/null
+++ b/challenge-167/laurent-rosenfeld/perl/ch-1.pl
@@ -0,0 +1,38 @@
+use warnings;
+use feature "say";
+use constant MAX => 10;
+
+my @primes = (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31); #Init small primes
+
+sub is_prime {
+   my $n = shift;
+   for my $p (@primes) {
+       return 1 if $p >= $n;
+       return 0 if $n % $p == 0;
+   }
+   return 1;
+}
+
+sub rotate_and_test {
+    my $i = shift;
+    my $nb = length $i - 1;
+    for (1..$nb) {
+        $i = substr($i, 1) . substr($i, 0, 1);
+        return 0 unless is_prime $i;
+        $seen{$i} = 1;
+    }
+    return 1;
+}
+
+my $max = 10;
+my $count = 0;
+my $n = 99;
+while (1) {
+    $n += 2;
+    next unless is_prime $n;
+    next if $seen{$n};
+    next unless rotate_and_test $n;
+    print "$n ";
+    $count++;
+    last if $count >= MAX;
+}
diff --git a/challenge-167/laurent-rosenfeld/raku/ch-1.raku b/challenge-167/laurent-rosenfeld/raku/ch-1.raku
new file mode 100644
index 0000000000..2b23df25e0
--- /dev/null
+++ b/challenge-167/laurent-rosenfeld/raku/ch-1.raku
@@ -0,0 +1,18 @@
+my $max = 10;
+my $count = 0;
+for 101, 103  ...*  -> $n {
+    next unless $n.is-prime;
+    next unless rotate-and-test $n;
+    print "$n ";
+    $count++;
+    last if $count >= $max;
+}
+
+sub rotate-and-test ($i is copy) {
+    my $nb = $i.chars - 1;
+    for 0..^$nb {
+        $i = substr($i, 1) ~ substr($i, 0, 1);
+        return False unless $i.is-prime;
+    }
+    return True;
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index ac587efd17..e4683a6cb8 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,14 +1,24 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge - 167"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
    },
-   "subtitle" : {
-      "text" : "[Champions: 8] Last updated at 2022-05-31 21:12:15 GMT"
+   "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/>"
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -19,7 +29,26 @@
                   1
                ]
             ],
-            "name" : "James Smith"
+            "name" : "James Smith",
+            "id" : "James Smith"
+         },
+         {
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
          },
          {
             "data" : [
@@ -32,8 +61,8 @@
                   4
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
             "id" : "Mark Anderson",
@@ -46,16 +75,18 @@
             ]
          },
          {
-            "id" : "Niels van Dijke",
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
          },
          {
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -65,9 +96,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith"
+            ]
          },
          {
             "data" : [
@@ -84,8 +113,6 @@
             "id" : "Roger Bell_West"
          },
          {
-            "id" : "Ryan Thompson",
-            "name" : "Ryan Thompson",
             "data" : [
                [
                   "Perl",
@@ -95,10 +122,11 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Ryan Thompson",
+            "name" : "Ryan Thompson"
          },
          {
-            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -109,84 +137,79 @@
                   1
                ]
             ],
-            "name" : "W. Luis Mochan"
+            "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
    },
-   "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/>"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
    "series" : [
       {
-         "colorByPoint" : 1,
          "name" : "The Weekly Challenge - 167",
+         "colorByPoint" : 1,
          "data" : [
             {
-               "name" : "James Smith",
                "drilldown" : "James Smith",
+               "name" : "James Smith",
                "y" : 3
             },
             {
+               "y" : 3,
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld"
+            },
+            {
                "y" : 6,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari"
             },
             {
-               "name" : "Mark Anderson",
                "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
                "y" : 2
             },
             {
                "y" : 1,
-               "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke"
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
             },
             {
-               "drilldown" : "Peter Campbell Smith",
                "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith",
                "y" : 3
             },
             {
-               "name" : "Roger Bell_West",
                "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
                "y" : 4
             },
             {
-               "drilldown" : "Ryan Thompson",
                "name" : "Ryan Thompson",
+               "drilldown" : "Ryan Thompson",
                "y" : 4
             },
             {
                "y" : 3,
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan"
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan"
             }
          ]
       }
    ],
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 9] Last updated at 2022-05-31 21:27:00 GMT"
    },
-   "xAxis" : {
-      "type" : "category"
+   "title" : {
+      "text" : "The Weekly Challenge - 167"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 1722a60f1e..fc104af33d 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,13 +1,35 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2022-05-31 21:12:15 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
+   "series" : [
+      {
+         "dataLabels" : {
+            "align" : "right",
+            "enabled" : "true",
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "y" : 10
+         },
+         "name" : "Contributions",
+         "data" : [
+            [
+               "Blog",
+               2583
+            ],
+            [
+               "Perl",
+               8132
+            ],
+            [
+               "Raku",
+               4814
+            ]
+         ]
+      }
+   ],
    "yAxis" : {
       "title" : {
          "text" : null
@@ -18,46 +40,24 @@
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       }
    },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
    "legend" : {
       "enabled" : "false"
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "chart" : {
+      "type" : "column"
    },
-   "series" : [
-      {
-         "data" : [
-            [
-               "Blog",
-               2582
-            ],
-            [
-               "Perl",
-               8131
-            ],
-            [
-               "Raku",
-               4813
-            ]
-         ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "format" : "{point.y:.0f}",
-            "align" : "right",
-            "enabled" : "true",
-            "rotation" : -90,
-            "y" : 10,
-            "color" : "#FFFFFF"
-         }
-      }
-   ]
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2022-05-31 21:27:00 GMT"
+   }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index e123630074..60f98b1217 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,8 +1,860 @@
 {
+   "series" : [
+      {
+         "name" : "The Weekly Challenge Languages",
+         "colorByPoint" : "true",
+         "data" : [
+            {
+               "y" : 161,
+               "drilldown" : "001",
+               "name" : "#001"
+            },
+            {
+               "y" : 125,
+               "name" : "#002",
+               "drilldown" : "002"
+            },
+            {
+               "name" : "#003",
+               "drilldown" : "003",
+               "y" : 83
+            },
+            {
+               "y" : 99,
+               "name" : "#004",
+               "drilldown" : "004"
+            },
+            {
+               "name" : "#005",
+               "drilldown" : "005",
+               "y" : 78
+            },
+            {
+               "name" : "#006",
+               "drilldown" : "006",
+               "y" : 58
+            },
+            {
+               "drilldown" : "007",
+               "name" : "#007",
+               "y" : 64
+            },
+            {
+               "y" : 78,
+               "name" : "#008",
+               "drilldown" : "008"
+            },
+            {
+               "y" : 76,
+               "drilldown" : "009",
+               "name" : "#009"
+            },
+            {
+               "name" : "#010",
+               "drilldown" : "010",
+               "y" : 65
+            },
+            {
+               "y" : 85,
+               "drilldown" : "011",
+               "name" : "#011"
+            },
+            {
+               "drilldown" : "012",
+               "name" : "#012",
+               "y" : 89
+            },
+            {
+               "y" : 85,
+               "name" : "#013",
+               "drilldown" : "013"
+            },
+            {
+               "drilldown" : "014",
+               "name" : "#014",
+               "y" : 101
+            },
+            {
+               "name" : "#015",
+               "drilldown" : "015",
+               "y" : 99
+            },
+            {
+               "name" : "#016",
+               "drilldown" : "016",
+               "y" : 71
+            },
+            {
+               "y" : 84,
+               "name" : "#017",
+               "drilldown" : "017"
+            },
+            {
+               "name" : "#018",
+               "drilldown" : "018",
+               "y" : 81
+            },
+            {
+               "y" : 103,
+               "drilldown" : "019",
+               "name" : "#019"
+            },
+            {
+               "y" : 101,
+               "drilldown" : "020",
+               "name" : "#020"
+            },
+            {
+               "y" : 72,
+               "name" : "#021",
+               "drilldown" : "021"
+            },
+            {
+               "drilldown" : "022",
+               "name" : "#022",
+               "y" : 68
+            },
+            {
+               "y" : 97,
+               "name" : "#023",
+               "drilldown" : "023"
+            },
+            {
+               "drilldown" : "024",
+               "name" : "#024",
+               "y" : 75
+            },
+            {
+               "y" : 59,
+               "drilldown" : "025",
+               "name" : "#025"
+            },
+            {
+               "y" : 74,
+               "name" : "#026",
+               "drilldown" : "026"
+            },
+            {
+               "drilldown" : "027",
+               "name" : "#027",
+               "y" : 62
+            },
+            {
+               "name" : "#028",
+               "drilldown" : "028",
+               "y" : 82
+            },
+            {
+               "name" : "#029",
+               "drilldown" : "029",
+               "y" : 81
+            },
+            {
+               "drilldown" : "030",
+               "name" : "#030",
+               "y" : 119
+            },
+            {
+               "y" : 91,
+               "drilldown" : "031",
+               "name" : "#031"
+            },
+            {
+               "y" : 96,
+               "name" : "#032",
+               "drilldown" : "032"
+            },
+            {
+               "drilldown" : "033",
+               "name" : "#033",
+               "y" : 112
+            },
+            {
+               "name" : "#034",
+               "drilldown" : "034",
+               "y" : 66
+            },
+            {
+               "drilldown" : "035",
+               "name" : "#035",
+               "y" : 66
+            },
+            {
+               "y" : 70,
+               "name" : "#036",
+               "drilldown" : "036"
+            },
+            {
+               "name" : "#037",
+               "drilldown" : "037",
+               "y" : 69
+            },
+            {
+               "y" : 70,
+               "name" : "#038",
+               "drilldown" : "038"
+            },
+            {
+               "y" : 64,
+               "drilldown" : "039",
+               "name" : "#039"
+            },
+            {
+               "y" : 75,
+               "name" : "#040",
+               "drilldown" : "040"
+            },
+            {
+               "name" : "#041",
+               "drilldown" : "041",
+               "y" : 78
+            },
+            {
+               "y" : 94,
+               "name" : "#042",
+               "drilldown" : "042"
+            },
+            {
+               "name" : "#043",
+               "drilldown" : "043",
+               "y" : 70
+            },
+            {
+               "y" : 87,
+               "drilldown" : "044",
+               "name" : "#044"
+            },
+            {
+               "y" : 98,
+               "name" : "#045",
+               "drilldown" : "045"
+            },
+            {
+               "y" : 89,
+               "drilldown" : "046",
+               "name" : "#046"
+            },
+            {
+               "y" : 86,
+               "name" : "#047",
+               "drilldown" : "047"
+            },
+            {
+               "y" : 110,
+               "drilldown" : "048",
+               "name" : "#048"
+            },
+            {
+               "drilldown" : "049",
+               "name" : "#049",
+               "y" : 91
+            },
+            {
+               "name" : "#050",
+               "drilldown" : "050",
+               "y" : 100
+            },
+            {
+               "y" : 91,
+               "name" : "#051",
+               "drilldown" : "051"
+            },
+            {
+               "drilldown" : "052",
+               "name" : "#052",
+               "y" : 93
+            },
+            {
+               "name" : "#053",
+               "drilldown" : "053",
+               "y" : 103
+            },
+            {
+               "y" : 105,
+               "name" : "#054",
+               "drilldown" : "054"
+            },
+            {
+               "drilldown" : "055",
+               "name" : "#055",
+               "y" : 90
+            },
+            {
+               "y" : 97,
+               "name" : "#056",
+               "drilldown" : "056"
+            },
+            {
+               "drilldown" : "057",
+               "name" : "#057",
+               "y" : 82
+            },
+            {
+               "y" : 71,
+               "drilldown" : "058",
+               "name" : "#058"
+            },
+            {
+               "name" : "#059",
+               "drilldown" : "059",
+               "y" : 91
+            },
+            {
+               "y" : 87,
+               "name" : "#060",
+               "drilldown" : "060"
+            },
+            {
+               "y" : 83,
+               "name" : "#061",
+               "drilldown" : "061"
+            },
+            {
+               "y" : 60,
+               "name" : "#062",
+               "drilldown" : "062"
+            },
+            {
+               "y" : 91,
+               "drilldown" : "063",
+               "name" : "#063"
+            },
+            {
+               "y" : 82,
+               "name" : "#064",
+               "drilldown" : "064"
+            },
+            {
+               "y" : 75,
+               "drilldown" : "065",
+               "name" : "#065"
+            },
+            {
+               "y" : 86,
+               "drilldown" : "066",
+               "name" : "#066"
+            },
+            {
+               "y" : 92,
+               "name" : "#067",
+               "drilldown" : "067"
+            },
+            {
+               "drilldown" : "068",
+               "name" : "#068",
+               "y" : 77
+            },
+            {
+               "drilldown" : "069",
+               "name" : "#069",
+               "y" : 85
+            },
+            {
+               "drilldown" : "070",
+               "name" : "#070",
+               "y" : 95
+            },
+            {
+               "drilldown" : "071",
+               "name" : "#071",
+               "y" : 80
+            },
+            {
+               "name" : "#072",
+               "drilldown" : "072",
+               "y" : 114
+            },
+            {
+               "drilldown" : "073",
+               "name" : "#073",
+               "y" : 112
+            },
+            {
+               "drilldown" : "074",
+               "name" : "#074",
+               "y" : 117
+            },
+            {
+               "y" : 117,
+               "drilldown" : "075",
+               "name" : "#075"
+            },
+            {
+               "y" : 101,
+               "drilldown" : "076",
+               "name" : "#076"
+            },
+            {
+               "drilldown" : "077",
+               "name" : "#077",
+               "y" : 100
+            },
+            {
+               "name" : "#078",
+               "drilldown" : "078",
+               "y" : 127
+            },
+            {
+               "y" : 122,
+               "drilldown" : "079",
+               "name" : "#079"
+            },
+            {
+               "y" : 127,
+               "drilldown" : "080",
+               "name" : "#080"
+            },
+            {
+               "y" : 114,
+               "drilldown" : "081",
+               "name" : "#081"
+            },
+            {
+               "drilldown" : "082",
+               "name" : "#082",
+               "y" : 114
+            },
+            {
+               "name" : "#083",
+               "drilldown" : "083",
+               "y" : 127
+            },
+            {
+               "name" : "#084",
+               "drilldown" : "084",
+               "y" : 119
+            },
+            {
+               "y" : 114,
+               "drilldown" : "085",
+               "name" : "#085"
+            },
+            {
+               "y" : 104,
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