[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,2,4,6,8,10, 12,14,16,18,20,22,24,26,28,30,2,3,4,5,6,7,8,9,10, 11,12,13,14,15,16,17,4,5,6,7,8,9,10,11,12,13,14, 15,16,17,18,19,6,7,8,9,10,11,12,13]