[1,2,3,4,1,5,6,2,3,7,8,9,4,1,5,10,11,6,2,3,7,12, 13,14,15,8,16,17,9,4,1,5,10,18,19,11,6,2,3,7,12, 20,21,13,8,4,1,5,9,14,22,23,15,16,24,25,26,17,10, 18,27,28,19,11,6,2,3,7,12,20,29,30,21,13,8]