I've learned from this and similar solutions of the use of shiftdim with a negative number. This may well be handy for future programming. Thanks for showing us this feature.
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Filter AC, pass DC
Make a random, non-repeating vector.
Swap two numbers
Generalized N-Cards Problem
English to Pig Latin Translator
Set a Soroban Abacus
N-Dimensional Array Slice
Determine if a Given Number is a Triangle Number
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