{2: 1, 11: 1}
6 11
{2: 1, 11: 1, 5: 2, 6: 2}
{2: 1, 11: 2, 5: 2, 6: 2, 16: 1}
7 11
{2: 2, 11: 2, 5: 3, 6: 3, 16: 1, 7: 3}
9 11
{2: 3, 11: 2, 5: 4, 6: 4, 16: 1, 7: 4, 9: 4}
{2: 3, 11: 3, 5: 4, 6: 4, 16: 2, 7: 4, 9: 5, 20: 1}
15 16
{2: 3, 11: 4, 5: 4, 6: 5, 16: 2, 7: 5, 9: 6, 20: 1, 15: 4}
10 11
{2: 4, 11: 4, 5: 5, 6: 6, 16: 2, 7: 6, 9: 7, 20: 1, 15: 4, 1: 2, 10: 7}
{2: 4, 11: 5, 5: 5, 6: 6, 16: 3, 7: 6, 9: 7, 20: 2, 15: 5, 1: 2, 10: 8}
{2: 4, 11: 6, 5: 5, 6: 6, 16: 3, 7: 7, 9: 8, 20: 2, 15: 5, 1: 2, 10: 9}
9