[0,4,1,5,2,6,3,7,8,12,9,13,10,14,11,15,16,20,17, 21,18,22,19,23,24,28,25,29,26,30,27,31,32,36,33, 37,34,38,35,39,40,44,41,45,42,46,43,47,48,52,49, 53,50,54,51,55,56,60,57,61,58,62,59,63,64,68,65, 69,66,70,67,71,72]