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

Note: Best RCD for v=42, r=2, k=6 and s=7.

try #     	3742
seed      	1537755133
# of iterations	36
f         	549.83
concurrences	0(405) 1(450) 2(6) 
E(column) 	0.7637
E(row)    	0.7974
E         	0.6396
E/U       	1

Plan (as kxs matrices):

13	28	19	7	26	30	11	
27	41	25	3	15	12	20	
16	9	38	37	18	2	36	
6	0	32	4	21	17	39	
33	8	22	1	14	10	29	
40	23	5	35	24	34	31	

23	30	3	29	38	21	6	
11	1	22	0	40	2	15	
18	32	31	27	12	8	7	
4	41	13	34	14	19	36	
33	24	17	37	28	20	5	
25	16	9	26	39	35	10	

Note: RRCD used 3.547 seconds.