NOA 7.0: Construct mixed-level OAs and near-OAs
(c) 2014 Design Computing (designcomputing.net/)

Note: Best L(3^1 2^9) in 12 runs.

Try	iter	f	E(d^2)*	d^2max	Np	A2	D-eff
59	7	32 (0)	0.7111	4 (8)	8	0.8889	0.9333

*Lower bound is 0.2667.

Array for try 59 using seed -1757411268:

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

d^2 matrix:

0	0	0	0	0	0	0	0	0	0	
	0	0	0	0	4	0	0	0	0	
		0	0	0	0	0	4	4	4	
			0	0	0	0	0	0	0	
				0	0	4	0	0	0	
					0	0	0	0	0	
						0	0	0	0	
							0	4	4	
								0	4	
									0	

Cramer's V matrix:

0	0	0	0	0	0	0	0	0	0	
	0	0	0	0	0.3333	0	0	0	0	
		0	0	0	0	0	0.3333	0.3333	0.3333	
			0	0	0	0	0	0	0	
				0	0	0.3333	0	0	0	
					0	0	0	0	0	
						0	0	0	0	
							0	0.3333	0.3333	
								0	0.3333	
									0	

Note: The first 5 columns form the base array.
Note: NOA used 0.031 seconds.