filename: matrix
hash function: buzhash
total buckets:       65535
total tuples:        75216 (114.77%)
used buckets:        44529 (67.95%)
maximum list length: 8
average list length: 1.69
hash cost per tuple: 146 cyc, 295 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1	8	0.01%
10	7	0.10%
89	6	0.81%
359	5	3.20%
1527	4	11.32%
5249	3	32.26%
13660	2	68.58%
23634	1	100.00%
21006	0	100.00%