CIBD 6.0: Construct a cyclic IBD of size (v,k,r)
(c) 2007 Design Computing (designcomputing.net/)

Note: Best cyclic IBD for v=11, k=4, r=4, b=11.

try #     	1
seed      	1200632953843
# of iterations	0
E         	0.8165
E/U       	0.9999
concurrences	1(8) 2(2) 

Initial block(s) and the # of blocks generated by each initial block:

0	6	7	4	 (11)

Plan (blocks are columns):

6	7	10	4	2	9	5	0	1	3	8	
1	2	5	10	8	4	0	6	7	9	3	
2	3	6	0	9	5	1	7	8	10	4	
10	0	3	8	6	2	9	4	5	7	1	

Note: The order of treatments within each block is not randomized.
Note: CIBD used 0.0 seconds.