{11: 1, 13: 1}
12 13
{11: 2, 13: 1, 8: 2, 12: 2}
{11: 3, 13: 2, 8: 2, 12: 3, 9: 3, 15: 1}
{11: 4, 13: 3, 8: 3, 12: 4, 9: 4, 15: 2, 6: 2, 17: 1}
{11: 4, 13: 4, 8: 3, 12: 4, 9: 4, 15: 3, 6: 2, 17: 2, 18: 1}
{11: 5, 13: 5, 8: 4, 12: 5, 9: 5, 15: 4, 6: 3, 17: 3, 18: 2, 2: 2}
{11: 6, 13: 6, 8: 4, 12: 6, 9: 5, 15: 5, 6: 3, 17: 4, 18: 3, 2: 2, 20: 1}
{11: 7, 13: 7, 8: 5, 12: 7, 9: 6, 15: 6, 6: 4, 17: 5, 18: 3, 2: 2, 20: 1}
{11: 7, 13: 7, 8: 6, 12: 7, 9: 7, 15: 6, 6: 4, 17: 5, 18: 3, 2: 2, 20: 1}
{11: 8, 13: 8, 8: 6, 12: 8, 9: 7, 15: 6, 6: 4, 17: 5, 18: 3, 2: 2, 20: 1, 10: 8}
8