4,3,1,6,3,1,6,5,1,4,5,1,4,1,0,5,1,0,7,7,0,6,7,0,5,7,0,4,7,0,3,7,0,3,1,0,2,1,0,2,7,0,8,7,0,8,1,0,8,2,0,8,3,0,8,5,0,8,4,0,8,6,0,2,6,0,2,5,0,2,4,0,2,2,0,2,3,0,7,1,1,6,1,1|5,3,4,5,5,4,5,2,3,5,6,3|4,4|Block Step|NaN