[0,1,3,4,6,5,9,7,6,8,9,8,9,7,9,10,9,10,9,10,12,8, 12,10,12,10,12,11,12,10,12,11,12,13,9,13,12,11,15, 11,12,11,15,13,12,13,12,11,15,13,12,13,15,13,15, 10,15,13,15,13,12,14,15,14,12,13,12,14,15,14]