($m,$t)=<>;chomp$t; print@f=map({$_ x$m}split(//,$t));print$/; for(0 ..$m-3){print map({$_ ." "x($m-2).$_ }split(//,$t) );print$/} print@f
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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