[0,1,2,3,2,3,6,3,4,9,4,5,6,3,4,9,4,5,18,7,8,9,4,5, 12,5,6,27,10,11,12,5,6,15,6,7,18,7,8,9,4,5,12,5,6, 27,10,11,12,5,6,15,6,7,54,19,20,21,8,9,24,9,10,27, 10,11,12,5,6,15,6,7,36,13,14,15,6,7,18,7,8,81,28, 29,30,11,12]