[0,0,2,1,4,2,6,3,8,4,0,0,2,1,4,2,6,3,8,4,20,20,22, 21,24,22,26,23,28,24,10,10,12,11,14,12,16,13,18, 14,40,40,42,41,44,42,46,43,48,44,20,20,22,21,24, 22,26,23,28,24,60,60,62,61,64,62,66,63,68,64,30, 30,32,31,34,32]