Postby Traintime » Tue Jul 27, 2021 11:49 am
Has a repeating rotating pattern. Begin 4, X, Blank, 2, 1. Shifts one space to right as you go down 1 to 5, then repeats again at 6 to 7. Same pattern reads top to bottom in columns. So where would you need a 5x5 array? And 7 could be hours, days, months, or years.