Your solution is fastest so far.
Good job, Athi.
@Athi, your solution contains many "magic" constant variables that I don't know how you got.
William's solution is much easier to understood, although it is slower than yours.
Thanks li haitao.
Put two time series onto the same time basis
Create an n-by-n null matrix and fill with ones certain positions
Length of a short side
Not square-free number sequence
Dice roll - lateral faces
Divisible by n, prime divisors from 20 to 200
Scrabble Scores - 8
Divisible by 14
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