In general, this solution is not valid for single digit numbers.
code won't work for 0,4,8 I just took advantage of test code :(
If input n_str = < '9', then you get Error: Subscript indices must either be real positive integers or logicals.
Permute diagonal and antidiagonal
Pi Estimate 1
Multiply by 3
Divisible by 3
Divisible by 2
Divisible by n, prime divisors - 11, 13, 17, & 19
Scrabble Scores - 11
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