- Added solution by Ulrich Rieke.

16 files changed, 1275 insertions, 1218 deletions

diff --git a/challenge-167/ulrich-rieke/haskell/ch-1.hs b/challenge-167/ulrich-rieke/haskell/ch-1.hs
new file mode 100644
index 0000000000..b54ca89ec9
--- /dev/null
+++ b/challenge-167/ulrich-rieke/haskell/ch-1.hs
@@ -0,0 +1,26 @@
+module Challenge167
+  where
+
+isPrime :: Int -> Bool
+isPrime n
+  |n == 2 = True
+  |n == 1 = False
+  |otherwise = null $ filter (\i -> mod n i == 0 ) [2 .. root]
+  where
+      root :: Int
+      root = floor $ sqrt $ fromIntegral n
+
+findCycle :: Int -> [Int]
+findCycle n = (takeWhile (/= n ) $ iterate step ( step n )) ++ [n]
+where
+  step :: Int -> Int
+  step d = read ( tail s ++ [head s] )
+  where
+    s = show d
+
+solution :: [Int]
+solution = take 10 $ filter (\i -> (noNull i ) && ( all (\d -> isPrime d
+&& d >= i ) $ findCycle i )) [100 , 101 ..]
+  where
+  noNull :: Int -> Bool
+  noNull d = not  ( elem '0' $ show d )
diff --git a/challenge-167/ulrich-rieke/raku/ch-1.raku b/challenge-167/ulrich-rieke/raku/ch-1.raku
new file mode 100644
index 0000000000..607adff4f5
--- /dev/null
+++ b/challenge-167/ulrich-rieke/raku/ch-1.raku
@@ -0,0 +1,27 @@
+use v6 ;
+
+sub findCycles( Int $n is copy ) {
+  my $numberstring = ~$n ;
+  my @cycle ;
+  my $rotated = $numberstring.substr( 1 ) ~ $numberstring.substr( 0 , 1 ) ;
+  @cycle.push( +$rotated ) ;
+  while ( $rotated ne $numberstring ) {
+      $rotated = $rotated.substr( 1 ) ~ $rotated.substr(0 , 1 ) ;
+      @cycle.push( +$rotated ) ;
+  }
+  return @cycle ;
+}
+
+my @circularPrimes ;
+my $current = 100 ;
+while ( @circularPrimes.elems != 10 ) {
+  if ( ~$current !~~ /0/ ) {
+      my @cycle = findCycles( $current ) ;
+      my @selected = grep ( { $_ >= $current } ) , @cycle ;
+      if ( (so is-prime @cycle.all) && (@selected.elems == @cycle.elems) ) {
+    @circularPrimes.push( $current ) ;
+      }
+  }
+  $current++ ;
+}
+say @circularPrimes.join( ', ' ) ;
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 7d306218ab..7c87c4931d 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,8 +1,117 @@
 {
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 14] Last updated at 2022-06-04 02:08:41 GMT"
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "name" : "James Smith",
+               "drilldown" : "James Smith"
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 2
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch",
+               "y" : 1
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 6
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "y" : 1,
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "y" : 2,
+               "name" : "Robert Ransbottom",
+               "drilldown" : "Robert Ransbottom"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Ryan Thompson",
+               "name" : "Ryan Thompson",
+               "y" : 4
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 2
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "name" : "The Weekly Challenge - 167"
+      }
+   ],
    "drilldown" : {
       "series" : [
          {
-            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -13,7 +122,7 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby"
+            "name" : "Dave Jacoby"
          },
          {
             "id" : "James Smith",
@@ -40,7 +149,7 @@
             "id" : "Jorg Sommrey"
          },
          {
-            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -55,7 +164,7 @@
                   1
                ]
             ],
-            "name" : "Laurent Rosenfeld"
+            "id" : "Laurent Rosenfeld"
          },
          {
             "id" : "Lubos Kolouch",
@@ -102,7 +211,6 @@
             ]
          },
          {
-            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -113,7 +221,8 @@
                   1
                ]
             ],
-            "name" : "Peter Campbell Smith"
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith"
          },
          {
             "id" : "Robert Ransbottom",
@@ -127,7 +236,6 @@
          },
          {
             "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -141,9 +249,12 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Roger Bell_West"
          },
          {
+            "id" : "Ryan Thompson",
+            "name" : "Ryan Thompson",
             "data" : [
                [
                   "Perl",
@@ -153,22 +264,24 @@
                   "Blog",
                   2
                ]
-            ],
-            "name" : "Ryan Thompson",
-            "id" : "Ryan Thompson"
+            ]
          },
          {
             "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
                   1
+               ],
+               [
+                  "Raku",
+                  1
                ]
-            ]
+            ],
+            "name" : "Ulrich Rieke"
          },
          {
-            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -179,120 +292,11 @@
                   1
                ]
             ],
-            "name" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "subtitle" : {
-      "text" : "[Champions: 14] Last updated at 2022-06-03 23:27:26 GMT"
-   },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 167",
-         "data" : [
-            {
-               "y" : 2,
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby"
-            },
-            {
-               "drilldown" : "James Smith",
-               "y" : 3,
-               "name" : "James Smith"
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "y" : 2,
-               "name" : "Jorg Sommrey"
-            },
-            {
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 4,
-               "name" : "Laurent Rosenfeld"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari",
-               "y" : 6
-            },
-            {
-               "name" : "Mark Anderson",
-               "y" : 2,
-               "drilldown" : "Mark Anderson"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "y" : 3,
-               "drilldown" : "Peter Campbell Smith"
-            },
-            {
-               "name" : "Robert Ransbottom",
-               "drilldown" : "Robert Ransbottom",
-               "y" : 2
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "name" : "Ryan Thompson",
-               "y" : 4,
-               "drilldown" : "Ryan Thompson"
-            },
-            {
-               "name" : "Ulrich Rieke",
-               "y" : 1,
-               "drilldown" : "Ulrich Rieke"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ],
-         "colorByPoint" : 1
-      }
-   ],
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
    "title" : {
       "text" : "The Weekly Challenge - 167"
-   },
-   "tooltip" : {
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 47bac7d632..929e5da693 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,46 +1,49 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
+   "chart" : {
+      "type" : "column"
    },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
-   },
-   "chart" : {
-      "type" : "column"
-   },
    "xAxis" : {
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       },
       "type" : "category"
    },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
    "legend" : {
       "enabled" : "false"
    },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2022-06-04 02:08:41 GMT"
+   },
    "series" : [
       {
+         "name" : "Contributions",
          "dataLabels" : {
-            "rotation" : -90,
-            "y" : 10,
-            "align" : "right",
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
-            }
+            },
+            "enabled" : "true",
+            "rotation" : -90,
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "y" : 10,
+            "color" : "#FFFFFF"
          },
-         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -52,12 +55,9 @@
             ],
             [
                "Raku",
-               4817
+               4818
             ]
          ]
       }
-   ],
-   "subtitle" : {
-      "text" : "Last updated at 2022-06-03 23:27:26 GMT"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 2315c6a72a..9ba080aaff 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,4 +1,7 @@
 {
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -20,8 +23,6 @@
             "name" : "001"
          },
          {
-            "id" : "002",
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -35,9 +36,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "002",
+            "id" : "002"
          },
          {
+            "id" : "003",
             "name" : "003",
             "data" : [
                [
@@ -52,10 +56,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003"
+            ]
          },
          {
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -70,10 +74,10 @@
                   10
                ]
             ],
-            "name" : "004",
             "id" : "004"
          },
          {
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -88,8 +92,7 @@
                   12
                ]
             ],
-            "name" : "005",
-            "id" : "005"
+            "name" : "005"
          },
          {
             "data" : [
@@ -111,7 +114,6 @@
          },
          {
             "id" : "007",
-            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -125,9 +127,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007"
          },
          {
+            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -141,12 +146,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008",
-            "id" : "008"
+            ]
          },
          {
-            "id" : "009",
             "name" : "009",
             "data" : [
                [
@@ -161,9 +163,12 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009"
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -177,11 +182,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010",
-            "id" : "010"
+            ]
          },
          {
+            "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -195,12 +200,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "011",
-            "id" : "011"
+            ]
          },
          {
-            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -215,7 +218,7 @@
                   11
                ]
             ],
-            "id" : "012"
+            "name" : "012"
          },
          {
             "name" : "013",
@@ -236,7 +239,6 @@
             "id" : "013"
          },
          {
-            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -251,10 +253,12 @@
                   15
                ]
             ],
-            "name" : "014"
+            "name" : "014",
+            "id" : "014"
          },
          {
             "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -268,8 +272,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "015"
+            ]
          },
          {
             "id" : "016",
@@ -291,7 +294,6 @@
          },
          {
             "id" : "017",
-            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -305,9 +307,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "017"
          },
          {
+            "id" : "018",
+            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -321,11 +326,11 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "018",
-            "id" : "018"
+            ]
          },
          {
+            "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -339,12 +344,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "019",
-            "id" : "019"
+            ]
          },
          {
             "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -358,8 +362,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020"
+            ]
          },
          {
             "id" : "021",
@@ -380,7 +383,6 @@
             "name" : "021"
          },
          {
-            "id" : "022",
             "name" : "022",
             "data" : [
                [
@@ -395,11 +397,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "022"
          },
          {
             "id" : "023",
-            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -413,10 +415,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "023"
          },
          {
-            "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -431,10 +434,11 @@
                   11
                ]
             ],
-            "id" : "024"
+            "name" : "024"
          },
          {
             "id" : "025",
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -448,10 +452,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "025"
+            ]
          },
          {
+            "id" : "026",
             "name" : "026",
             "data" : [
                [
@@ -466,10 +470,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "026"
+            ]
          },
          {
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -484,11 +488,9 @@
                   9
                ]
             ],
-            "name" : "027",
-            "id" : "027"
+            "name" : "027"
          },
          {
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -503,11 +505,11 @@
                   9
                ]
             ],
-            "name" : "028"
+            "name" : "028",
+            "id" : "028"
          },
          {
             "id" : "029",
-            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -521,10 +523,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "029"
          },
          {
-            "id" : "030",
             "name" : "030",
             "data" : [
                [
@@ -539,10 +541,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
-            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -557,9 +559,11 @@
                   9
                ]
             ],
-            "name" : "031"
+            "name" : "031",
+            "id" : "031"
          },
          {
+            "id" : "032",
             "name" : "032",
             "data" : [
                [
@@ -574,11 +578,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "032"
+            ]
          },
          {
             "id" : "033",
+            "name" : "033",
             "data" : [
                [
                   "Perl",
@@ -592,11 +596,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "033"
+            ]
          },
          {
-            "id" : "034",
             "name" : "034",
             "data" : [
                [
@@ -611,10 +613,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "034"
          },
          {
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -629,9 +631,11 @@
                   9
                ]
             ],
+            "name" : "035",
             "id" : "035"
          },
          {
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -646,7 +650,6 @@
                   11
                ]
             ],
-            "name" : "036",
             "id" : "036"
          },
          {
@@ -668,6 +671,7 @@
             "id" : "037"
          },
          {
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -682,11 +686,10 @@
                   12
                ]
             ],
-            "name" : "038",
             "id" : "038"
          },
          {
-            "name" : "039",
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -701,11 +704,9 @@
                   12
                ]
             ],
-            "id" : "039"
+            "name" : "039"
          },
          {
-            "id" : "040",
-            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -719,10 +720,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "040",
+            "id" : "040"
          },
          {
-            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -737,11 +739,10 @@
                   9
                ]
             ],
+            "name" : "041",
             "id" : "041"
          },
          {
-            "id" : "042",
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -755,9 +756,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042",
+            "id" : "042"
          },
          {
+            "id" : "043",
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -771,12 +776,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "043",
-            "id" : "043"
+            ]
          },
          {
             "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -790,10 +794,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "044"
+            ]
          },
          {
+            "id" : "045",
             "name" : "045",
             "data" : [
                [
@@ -808,8 +812,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "045"
+            ]
          },
          {
             "id" : "046",
@@ -830,6 +833,7 @@
             "name" : "046"
          },
          {
+            "id" : "047",
             "name" : "047",
             "data" : [
                [
@@ -844,11 +848,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "047"
+            ]
          },
          {
             "id" : "048",
+            "name" : "048",
             "data" : [
                [
                   "Perl",
@@ -862,11 +866,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "048"
+            ]
          },
          {
-            "id" : "049",
+            "name" : "049",
             "data" : [
                [
                   "Perl",
@@ -881,11 +884,10 @@
                   12
                ]
             ],
-            "name" : "049"
+            "id" : "049"
          },
          {
             "id" : "050",
-            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -899,10 +901,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "050"
          },
          {