Alternatives | Attributes | ||||
| B1 (w1) | B2 (w2) | B3 (w3) |
| Bn (wn) |
A1 | a11 | a12 | a13 |
| a1n |
A2 | a21 | a22 | a23 |
| a2n |
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An | an1 | an2 | an3 |
| ann |