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=8, r=2, k=4 and b=4

Try	iter	f	E(col)	E(row)	E	E/U	Concurrences
3	4	88	0.808	0.808	0.677	0.999	1(8) 2(20) 

Plan (as a k x b matrix) for try 3 using seed 2016872879:

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

Note: rcd used 0.199 seconds.
Note: Evaluation copy - purchase at www.designcomputing.net