0 1 2 0 0 0 0 1 2 0 0 0 0 1 2 0 0 0 0 1 2 0 0 0 0 1 2 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 -10 -20 -30 -40 -50 -60 0 0 2 2 0 0 0 0 0 0 0 0