B q s

B q sB q sB q sB q sB q sB q s
B q sB q sB q sB q sB q sB q s
B q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q sB q s