[0,1,2,3,3,4,4,5,4,5,5,6,5,6,6,7,5,6,6,7,6,7,7,8, 6,7,7,8,7,8,8,9,6,7,7,8,7,8,8,9,7,8,8,9,8,9,9,10, 7,8,8,9,8,9,9,10,8,9,9,10,9,10,10,11,7,8,8,9,8,9, 9,10,8,9,9,10,9,10,10,11,8,9,9,10,9,10,10,11,9,10, 10,11,10,11]