7 6 -5 6 -6 -5 6 -6 7 -7 -8 7 6 -5 6 -6 7 -7 -8 8 -9 9 -10 10 -11 10 9 -10 9 -9 9 -9 -8 -9 -8 8 -8 7 -8 -7 -8 8 -8 8 -8 8 -8 -7 7 -6 6 -6 7 -7 7 -9 -8 -7 -8 8 -9 9 -10 10 -10 9 -9 9 -10 9 -9 9 -10 9 -10 10 -11 -12 10 -10 9 -9 -9 10 -11 10 -10 10 9 -10 9 -9 -8 -7 -8 -9 9 -9 9 -10 10 -10 10 -11 -12 -11 10 -10 10 -10 10 -11 10 9 -10 9 -9 9 -9 -8 -9 -8 -7 -8 7 -8 -7 7 7 6 -5 6 -6 7 -7 -8 8 -9 9 -10 10 -11 10 -10 10 -11 10 9 -10 9 -9 9 -9 -8 -9 -8 -7 -8 7 6 -5 -6 7 -8 -7 -8 8 -8 8 -8 8 -8 -7 7 -6 6 -6 7 -7 7 (repeat)