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