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