-3.5 -3.5 0.0 -0.5 -1.5 0.0 +0.5 -1.5 0.0 +1.5 -1.5 0.0 -1.5 -0.5 0.0 -0.5 -0.5 0.0 +0.5 -0.5 0.0 +1.5 -0.5 0.0 -1.5 +0.5 0.0 -0.5 +0.5 0.0 +0.5 +0.5 0.0 +1.5 +0.5 0.0 -1.5 +1.5 0.0 -0.5 +1.5 0.0 +0.5 +1.5 0.0 +3.5 +3.5 0.0 0 1 5 4 1 2 6 5 2 3 7 6 4 5 9 8 5 6 10 9 6 7 11 10 8 9 13 12 9 10 14 13 10 11 15 14 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 4 4 4 4 4 4 4 "OBJ" 1 1 1