RESULT tight_exh n=3 k=3 part=0/1 {'root_tuples': 6, 'nodes': 141, 'complete': 141, 'no_arb': 0, 'max_families': 3, 'threeset_complete': 4, 'crosschecked': 141, 'seconds': 0.0}
distinct instances (arcs, multiset of (root, set)): 70
