if ((dy >= 0) && (dy < debugState.length)) {
if ((dx >= 0) && (dx < debugState[dy].length)) {
int newState = debugState[dy][dx] = (debugState[dy][dx] + 1) % 3;
if ((dy >= 0) && (dy < debugState.length)) {
if ((dx >= 0) && (dx < debugState[dy].length)) {
int newState = debugState[dy][dx] = (debugState[dy][dx] + 1) % 3;