RCD 6.0: Construct a resolvable RCD of size (r,k,s)
(c) 2008 Design Computing (designcomputing.net/)

Note: Best RCD for v=20, r=4, k=4 and s=5.

try #     	6749
seed      	-1088066237
# of iterations	33
f         	551.5
concurrences	1(100) 2(90) 
E(column) 	0.7686
E(row)    	0.8024
E         	0.6112
E/U       	0.9306

Plan (as kxs matrices):

11	17	8	14	15	
16	7	3	19	10	
1	12	18	9	0	
6	2	13	4	5	

14	10	11	12	13	
3	4	0	1	2	
17	18	19	15	16	
5	6	7	8	9	

13	0	17	18	19	
4	8	10	11	12	
15	14	9	2	6	
7	16	1	5	3	

19	11	5	13	1	
2	3	12	0	14	
8	9	4	17	7	
10	15	16	6	18	

Note: RRCD used 2.094 seconds.