b0 n0 20 s55 n3 10 b0 n4 -20 s59 n4 15 s60 n4 15 b0 n6 10 s51 n6 -10 s53 n6 -10 n3 n0 -20 n4 n0 -20 n6 n0 -20 n3 n4 -20 n6 n3 -20 n6 n4 -20