Table 1: Orthogonal experimental table of six factors and five levels.

Test no.123456

1111111
2122222
3133333
4144444
5155555
6212345
7223451
8234512
9245123
10251234
11313524
12324135
13335241
14341352
15352413
16414253
17425314
18431425
19442531
20453142
21515432
22521543
23532154
24543215
25554321