{13: 1, 15: 1, 17: 1, 18: 1, 19: 1, 20: 1, 21: 1, 22: 1}
{13: 1}
{14: 1}
{14: 1}
{13: 1}
{13: 1, 15: 1, 17: 1, 18: 1, 19: 1, 20: 1, 21: 1, 22: 1}