N=5 K=2 MAXMULT=1: instances with all sets convex: 1924044 (disagreements: 0); instances with a non-convex set: 1393716
non-convex instances by (PC, LOC, ARB):
    (False, False, False) 1316227
    (False, True, False) 145
    (True, False, False) 35535
    (True, True, False) 35
    (True, True, True) 41774
first example of [PC and not ARB]: {'arcs': [(2, 3), (3, 4)], 'roots': (0, 2), 'sets': [[0], [2, 4]], 'convex': [True, False]}
first example of [LOC and not ARB]: {'arcs': [(1, 2), (2, 3), (2, 4), (3, 4)], 'roots': (2, 1), 'sets': [[2, 4], [1, 2, 3, 4]], 'convex': [False, True]}
first example of [PC and LOC and not ARB]: {'arcs': [(0, 2), (1, 2), (1, 3), (2, 3), (2, 4), (3, 4)], 'roots': (1, 0), 'sets': [[1, 2, 4], [0, 2, 3, 4]], 'convex': [False, True]}
first example of [ARB and not PC]: none
first example of [ARB and not LOC]: none
