[2,1,4,3,12,11,10,9,8,7,6,5,16,15,14,13,30,29,28, 27,26,25,24,23,22,21,20,19,18,17,36,35,34,33,32, 31,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42, 41,40,39,38,37,64,63,62,61,60,59,58,57]