֩ƶ								{{0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,14,13,12,11,10,9,8,7,6,5,4,5,6,7,8,9,10,11,10,9},
֩
{16,17,18,19,20,21,22,23,24,25,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0},
֩ѭƶ								{0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1}}
