Index was outside the bounds of the array (C#)

Question

I get \"Index was outside the bounds of the array\" on this line, what\'s wrong?

Kort[x, y] = Sort[x] + Valor[y] + \" \";    

Below is the

Answer 1

Sort is an array 0..3, and Valor is 0..12. So you cannot use Sort[4] and Valor[13].