[0,2,4,3,5,7,6,8,10,5,7,9,8,10,12,11,13,15,10,12, 14,13,15,17,16,18,20,7,9,11,10,12,14,13,15,17,12, 14,16,15,17,19,18,20,22,17,19,21,20,22,24,23,25, 27,14,16,18,17,19,21,20,22,24,19,21,23,22,24,26, 25,27,29,24,26,28,27]