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