[1,2,2,3,3,3,4,4,4,4,4,6,5,5,5,6,6,7,5,6,6,7,7,8, 7,6,7,7,9,7,8,9,7,9,8,7,8,9,10,9,9,9,9,9,9,10,10, 10,10,11,10,10,10,10,9,11,11,11,11,11,11,11,11,11, 12,10,12,12,12,12,12,12,12,12,12,12,12,12]