[1,2,1,4,3,5,6,2,6,7,8,10,1,3,4,9,10,12,1,2,4,8,9, 13,15,16,2,3,8,10,12,13,14,15,18,5,7,10,11,14,15, 17,19,20,21,22,1,4,5,6,7,9,13,16,20,22,23,24,25, 28]