[1,2,1,2,1,2,1,2,1,2,21,22,21,22,21,22,21,22,21, 22,11,12,11,12,11,12,11,12,11,12,21,22,21,22,21, 22,21,22,21,22,11,12,11,12,11,12,11,12,11,12,21, 22,21,22,21,22,21,22,21,22,11,12,11,12,11,12,11, 12,11,12,21,22,21]