1 1 1 1 1 2 2 1 1 1 2 2 2 2 2 2 3 3 3 3 1 0.5 0.5 2 0.5 0.5 0.5 0.5 2.5 3.5 3.5 2.5 1.5 1.5 2.5 2.5