@_=(['a'..'z'])x26;
Careful! That creates @_ as a list of 26 references to the same array. If you change an element in any one of the rows, you'll have changed that element in every row.
push @outtie, [ @alpha ] for @alpha;
This snippet from your expanded solution is the preferred way to avoid this problem.

In reply to Re: Re: 2D arrays & mo' better blues by chipmunk
in thread 2D arrays & mo' better blues by gregor42

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