rcd 10.0: Program for Constructing an rcd of size (v,k,b)
(c) 2018 Design Computing (http://designcomputing.net/)

Note: Best rcd for v=9, r=4, k=6 and b=6

Try	iter	f	E(col)	E(row)	E	E/U	Concurrences
68	9	900	0.933	0.933	0.875	1.0	5(36) 

Plan (as a k x b matrix) for try 68 using seed 1489413097:

1	8	6	2	7	4	
6	5	7	0	4	2	
0	2	3	4	1	5	
4	6	1	8	5	3	
3	0	5	6	8	7	
7	1	2	3	0	8	

Note: rcd used 0.185 seconds.
Note: Evaluation copy - purchase at www.designcomputing.net