1,2,1,2,3,4,4,5,6,4,3,4,2,4,5,6,3,2,1,1,2,3,5,2,3,4,5,6,5,4,3,2,1,2,3,4,5,6,3,2,1,2,3,5,3,4,2,4,4,5,2,3,4,5,3,2,2,1,3,4,2,