[1,2,2,3,3,3,4,4,3,4,4,5,5,5,4,5,5,4,6,6,6,5,5,6, 6,6,5,7,7,7,6,7,6,5,7,7,7,6,6,8,8,8,7,8,7,7,6,8,8, 8,7,8,7,6,9,9,9,8,9,8,9,8,7,7,9,9,9,8,9,8,8,7,10, 10,10,9,10,9,10,9,8,9,8,7,10,10]