Table A1.

$L_{12}(2{)}^8$ design.

1	2	3	4	5	6	7	8
1	1	1	1	1	1	1	1
1	1	1	1	1	2	2	2
1	1	2	2	2	1	1	1
1	2	1	2	2	1	2	2
1	2	2	1	2	2	1	2
1	2	2	2	1	2	2	1
2	1	2	2	1	1	2	2
2	1	2	1	2	2	2	1
2	1	1	2	2	2	1	2
2	2	2	1	1	1	1	2
2	2	1	2	1	2	1	1
2	2	1	1	2	1	2	1