Bottom-Two-Runoff Instant Runoff PUT

Violation of Neutral Reversal

Profile type: Profile
Config: 3 c, 2 v
Parameters: ∅

Adding voters with rankings (0, 1, 2) and (2, 1, 0) changes the winners:

Original profile:
+---+---+
| 1 | 1 |
+---+---+
| 1 | 2 |
| 0 | 0 |
| 2 | 1 |
+---+---+
Bottom-Two-Runoff Instant Runoff PUT winners are {1, 2}

Profile after adding reversal pair:
+---+---+---+---+
| 1 | 1 | 1 | 1 |
+---+---+---+---+
| 1 | 2 | 0 | 2 |
| 0 | 0 | 1 | 1 |
| 2 | 1 | 2 | 0 |
+---+---+---+---+
Bottom-Two-Runoff Instant Runoff PUT winners are {0, 1, 2}