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