[0,1,2,3,4,5,6,7,8,9,10,2,4,6,8,10,12,14,16,18,20, 2,3,4,5,6,7,8,9,10,11,12,4,5,6,7,8,9,10,11,12,13, 14,6,7,8,9,10,11,12,13,14,15,16,8,9,10,11,12,13, 14,15,16,17,18,10,11,12,13,14,15,16]