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