How to get row and column from index?

Question

I\'m drawing a HUGE blank here.

Everything I\'ve found is about getting an index from a given row and column, but how do I get a row and a column from an in

Answer 1

In java, with a column offset of 1, this is a way to do it

int offset=1;
column = Math.floorDiv(location-offset , 3)+offset;
row = ( (location-offset) %3 )+offset ;