[0,1,2,1,3,2,3,3,3,4,4,4,3,5,5,4,5,4,5,6,5,3,5,5, 5,6,6,4,4,4,5,6,6,6,5,5,4,5,4,6,7,6,5,6,5,5,5,5,5, 7,7,5,6,6,6,6,6,5,6,6,7,6,6,6,7,7,6,7,6,6,7,6,6,7, 6,7,8,7,6,7,7,6,7,7,5,7]