Please help me
I see large combs of repetition, particularly in the use of if-then statements. Try to use lists of lists as data, then iterate over the lists; and/or, find similarities.
For example, instead of setting global INDEX as 6 for 5 amd as 7 for 6, can you try setting it to global INDEX +1 for numbers between 1 and 16?
I’m not saying that this is the sole cause of your app crashing; there may be other issues, but it is evident and strongly recommended that you change these.
Please demo block arrangement dear