[0,1,2,2,7,7,3,3,4,4,4,4,4,4,5,5,5,5,5,18,5,5,5,5, 5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,6,6,6,6,6,6,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,19,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,19,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,9,9,9,9,9, 9,9,9]