alpha 2.1: Construct alpha designs of size (r,k,s)
Copyright (c) 2001-2005 Design Computing (http://designcomputing.net/gendex/)

Note: alpha design for v=12, r=3, k=4, and s=3.

try #     	1
seed      	1129028483101
# of iterations	1
E         	0.7674
E/U       	0.9958
concurrences	0(21) 1(36) 2(9) 

alpha array (r x k):

0	0	1	0	
0	2	1	1	
0	0	0	1	

Plan (blocks are columns):

6	7	10	
11	9	8	
5	3	1	
2	0	4	

4	10	11	
9	0	1	
2	5	3	
6	7	8	

8	10	11	
2	0	1	
9	3	4	
5	6	7	

Note: alpha used 0.084 seconds.