#R -15 -3 -10 -3 -17 -2 -16 -2 -14 -2 -13 -2 -12 -2 -11 -2 -9 -2 -8 -2 -15 -1 -10 -1 -1 0 0 1 1 1 10 1 15 1 -1 2 0 2 8 2 9 2 11 2 12 2 13 2 14 2 16 2 17 2 10 3 15 3