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-rw-r--r--challenge-251/simon-proctor/raku/ch-2.raku4
1 files changed, 3 insertions, 1 deletions
diff --git a/challenge-251/simon-proctor/raku/ch-2.raku b/challenge-251/simon-proctor/raku/ch-2.raku
index e5f95f5216..17ae44be46 100644
--- a/challenge-251/simon-proctor/raku/ch-2.raku
+++ b/challenge-251/simon-proctor/raku/ch-2.raku
@@ -13,7 +13,9 @@ multi sub MAIN('test') {
multi sub MAIN(
Int $width, #= Matrix width
- *@vals where @vals.unique.elems == @vals.elems && all(@vals) ~~ IntStr, #= Matrix values
+ *@vals where @vals.unique.elems == @vals.elems #= Matrix values
+ && all(@vals) ~~ IntStr
+ && @vals.elems %% $width,
) {
my @matrix = @vals.rotor($width);
lucky(@matrix).say;