filename: matrix
hash function: buzhash
total buckets:       262143
total tuples:        75216 (28.69%)
used buckets:        65247 (24.89%)
maximum list length: 6
average list length: 1.15
hash cost per tuple: 146 cyc, 296 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1	6	0.01%
2	5	0.02%
42	4	0.24%
777	3	3.34%
8276	2	25.35%
56149	1	100.00%
196896	0	100.00%