[1,1,1,2,2,1,3,3,4,1,4,5,5,1,6,6,7,1,7,8,8,1,9,9, 10,1,10,11,11,1,12,12,13,1,13,14,14,1,15,15,16,1, 16,17,17,1,18,18,19,1,19,20,20,1,21,21,22,1,22,23, 23,1,24,24,25,1,25,26,26,1,27,27,28,1,28]