[1,3,2,7,6,5,4,15,14,13,12,11,10,9,8,31,30,29,28, 27,26,25,24,23,22,21,20,19,18,17,16,63,62,61,60, 59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44, 43,42,41,40,39,38,37,36,35,34,33,32,127,126,125, 124,123,122,121]