Experiment number

Factors

A

B

C

1 2

3 4

5 6

7 8

9 10 11 12

−1

+1

−1

+1

−1

+1

−1

+1 0 0 0 0

−1

−1

+1

+1

−1

−1

+1

+1 0 0 0 0

−1

−1

−1

−1

+1

+1

+1

+1 0 0 0 0