[0,1,2,4,3,5,7,4,6,8,10,5,7,9,9,11,6,8,8,10,12,10, 12,14,7,9,9,11,11,13,15,11,13,15,17,8,10,12,10,12, 14,12,14,16,18,12,14,16,16,18,9,11,11,13,15,11,13, 15,17,13,15,17,17,19,21,13,15,17,19,17]