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