0
{2: 1, 11: 1}
{2: 1, 11: 1, 5: 1, 6: 1}
{2: 1, 11: 2, 5: 1, 6: 1, 16: 1}
{2: 1, 11: 2, 5: 2, 6: 2, 16: 1, 7: 1}
{2: 1, 11: 2, 5: 3, 6: 3, 16: 1, 7: 2, 9: 1}
{2: 1, 11: 3, 5: 3, 6: 3, 16: 2, 7: 2, 9: 1, 20: 1}
{2: 1, 11: 4, 5: 3, 6: 1, 16: 2, 7: 3, 9: 2, 20: 1, 15: 1}
{2: 2, 11: 4, 5: 4, 6: 2, 16: 2, 7: 4, 9: 3, 20: 1, 15: 1, 1: 1, 10: 1}
{2: 2, 11: 5, 5: 4, 6: 2, 16: 3, 7: 4, 9: 3, 20: 1, 15: 2, 1: 1, 10: 1}
{2: 2, 11: 1, 5: 4, 6: 2, 16: 3, 7: 1, 9: 4, 20: 1, 15: 2, 1: 1, 10: 2}
4