{19: 1, 20: 1, 21: 1, 23: 1, 24: 1, 25: 1, 26: 1, 27: 1, 29: 1, 30: 1} {19: 1, 20: 1, 21: 1, 23: 1, 24: 1, 25: 1, 26: 1, 27: 1, 29: 1, 30: 1}