[0,1,2,3,4,5,6,7,8,1,10,19,28,37,46,55,64,73,2,11, 20,29,38,47,56,65,74,3,12,21,30,39,48,57,66,75,4, 13,22,31,40,49,58,67,76,5,14,23,32,41,50,59,68,77, 6,15,24,33,42,51,60,69,78,7,16,25,34,43,52,61]