filename: matrix
hash function: buzhash
total buckets:       131071
total tuples:        75216 (57.39%)
used buckets:        57246 (43.68%)
maximum list length: 6
average list length: 1.31
hash cost per tuple: 146 cyc, 296 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
3	6	0.02%
38	5	0.28%
309	4	1.92%
2282	3	11.02%
12312	2	43.76%
42302	1	100.00%
73825	0	100.00%