[0,1,2,2,3,3,4,4,5,3,4,5,6,4,5,6,7,5,6,7,8,5,6,6, 7,8,9,4,6,7,7,8,9,10,5,7,8,8,9,10,11,6,6,7,8,8,9, 9,10,11,12,6,7,7,8,9,9,10,10,11,12,13,7,8,8,9,10, 10,11,11,12]