[0,2,2,3,2,3,3,4,4,5,3,4,6,4,6,6,4,6,7,6,8,7,5,8, 9,8,7,8,9,8,9,10,10,8,10,12,5,12,12,13,9,11,11,9, 13,14,9,14,14,10,10,19,14,12,12,12,12,16,15,16,15, 13,18,16,16,12,16,17,15,16,18,14,15,20,18,19,14, 19,20,18,16]