0 independent sets found 6 independent sets found 0 3 0 4 1 2 2 3 2 4 3 4 2 independent sets found 0 3 4 2 3 4 13 independent sets found 0 1 2 3 4 0 3 0 4 1 2 2 3 2 4 3 4 0 3 4 2 3 4 9 maximal independent sets found 0 3 4 5 6 0 3 5 6 9 0 4 5 6 7 8 0 5 6 7 8 9 1 2 7 8 9 1 5 6 7 8 9 2 3 4 2 3 9 2 4 7 8 alpha=6