{12: 1, 18: 1}
{12: 2, 18: 2, 2: 2, 19: 1}
11 12
{12: 2, 18: 2, 2: 2, 19: 1, 7: 3, 11: 3}
13 18
{12: 3, 18: 2, 2: 2, 19: 1, 7: 4, 11: 4, 5: 3, 13: 3}
17 18
{12: 4, 18: 2, 2: 2, 19: 1, 7: 4, 11: 5, 5: 3, 13: 4, 9: 5, 17: 4}
{12: 4, 18: 2, 2: 3, 19: 1, 7: 5, 11: 6, 5: 4, 13: 4, 9: 6, 17: 4}
{12: 4, 18: 2, 2: 4, 19: 1, 7: 6, 11: 6, 5: 5, 13: 4, 9: 6, 17: 4, 1: 2}
10 11
{12: 4, 18: 2, 2: 4, 19: 1, 7: 6, 11: 6, 5: 5, 13: 4, 9: 7, 17: 4, 1: 2, 8: 7, 10: 7}
{12: 5, 18: 2, 2: 4, 19: 1, 7: 7, 11: 7, 5: 6, 13: 5, 9: 8, 17: 4, 1: 2, 8: 8, 10: 8, 3: 5}
{12: 5, 18: 3, 2: 4, 19: 2, 7: 7, 11: 7, 5: 6, 13: 5, 9: 8, 17: 5, 1: 2, 8: 8, 10: 8, 3: 5, 20: 1}
8