[ 1...a7-b6~ 2.d4xa7 b8-c7 3.a5-b6 c7xa5 4.d2-b4 a5xc3 5.e7-b4 c3xa5 6.a7-b8 a5-b4 7.c1-a3 b4-c3 8.a1-b2 c3xa1 9.b8-f4 a1xh8 10.a3-b2 h8xa1 11.f2-e1 h4xd4 12.e1-c3 d4xb2 13.f4-c1 x ]