0
{12: 1, 18: 1}
{12: 1, 18: 1, 1: 1, 2: 1}
{12: 2, 18: 1, 1: 1, 2: 1, 3: 1, 15: 1}
{12: 3, 18: 1, 1: 1, 2: 2, 3: 2, 15: 2, 17: 1}
{12: 3, 18: 1, 1: 1, 2: 2, 3: 2, 15: 2, 17: 1, 5: 1, 6: 1}
{12: 3, 18: 1, 1: 1, 2: 2, 3: 1, 15: 2, 17: 1, 5: 1, 6: 1}
{12: 3, 18: 1, 1: 1, 2: 1, 3: 2, 15: 2, 17: 1, 5: 2, 6: 2, 11: 1}
{12: 1, 18: 1, 1: 1, 2: 1, 3: 3, 15: 2, 17: 1, 5: 3, 6: 3, 11: 2}
{12: 2, 18: 1, 1: 1, 2: 1, 3: 3, 15: 3, 17: 2, 5: 3, 6: 3, 11: 3, 9: 1}
{12: 3, 18: 1, 1: 1, 2: 1, 3: 3, 15: 3, 17: 2, 5: 3, 6: 3, 11: 4, 9: 1, 14: 1}
4