gistfile1.txt

[
 [ 2, [1, 4, 5, 7, 9], [5, 7, 9], [4, 9], 8, [1, 4, 9], 3, [1, 5, 7], [1, 5, 6, 7] ], 
 [ [1, 5, 9], 6, [5, 9], [2, 3, 9], 7, [1, 2, 3, 9], [1, 5], 8, 4 ], 
 [ [1, 8], 3, [7, 8], 5, 6, [1, 4], 2, [1, 7], 9 ], 
 [ [6, 9], [7, 9], [3, 6, 7, 9], 1, [2, 3, 9], 5, 4, [2, 3, 7, 9], 8 ], 
 [ [1, 5, 6, 8, 9], [1, 5, 7, 8, 9], [3, 5, 6, 7, 8, 9], [2, 3, 4, 8, 9], [2, 3, 9], [2, 3, 4, 8, 9], [1, 5, 6, 7, 9], [1, 2, 3, 5, 7, 9], [1, 2, 5, 6, 7] ], 
 [ 4, [1, 5, 8, 9], 2, 7, [3, 9], 6, [1, 5, 9], [1, 3, 5, 9], [1, 5] ], 
 [ 3, [5, 8, 9], 1, [2, 6, 8, 9], [2, 5, 9], 7, [5, 8, 9], 4, [2, 5] ], 
 [ 7, 2, [5, 8, 9], [3, 8, 9], 4, [3, 8, 9], [1, 5, 8, 9], 6, [1, 5] ], 
 [ [5, 6, 8, 9], [5, 8, 9], 4, [2, 6, 8, 9], 1, [2, 8, 9], [5, 7, 8, 9], [2, 5, 7, 9], 3 ]
]