1 [ ( fromList [ 1 , 2 , 7 ]
2 , [ fromList [ 1 , 2 , 5 , 6 , 7 ]
3 , fromList [ 1 , 2 , 7 , 8 , 9 ]
6 , ( fromList [ 1 , 7 , 9 ]
7 , [ fromList [ 1 , 2 , 7 , 8 , 9 ] , fromList [ 1 , 7 , 9 ] ]
9 , ( fromList [ 2 , 7 , 9 ]
10 , [ fromList [ 1 , 2 , 7 , 8 , 9 ]
11 , fromList [ 2 , 7 , 9 ]
12 , fromList [ 2 , 7 , 9 ]