[[[[1], [2], [3]], [[1, 2, 3]]], [[[1], [2, 3]], [[1, 3], [2]]], [[[1], [2, 3]], [[3], [1, 2]]], [[[1, 2], [3]], [[2], [1, 3]]], [[[2], [1, 3]], [[2, 3], [1]]], [[[1, 2], [3]], [[2, 3], [1]]], [[[1, 3], [2]], [[3], [1, 2]]], [[[1, 2, 3]], [[3], [2], [1]]]]
