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