| North | East | South | West |
| 1♥ | 2♣ | 3♦ | Pass |
| Pass | X | Pass | Pass |
| 4♦ | X | XX | Pass |
| 4NT | 5♣ | X | XX |
| 5♥ | Pass | Pass | X |
| Pass | 5♠ | X | 5NT |
| X | XX | 6♣ | X |
| XX | Pass | 6♦ | Pass |
| 6♥ | X | XX | Pass |
| 6♠ | Pass | Pass | X |
| Pass | 6NT | X | Pass |
| Pass | XX | 7♣ | X |
| 7♥ | X | Pass | Pass |
| XX | Pass | Pass | 7NT |
| Pass | Pass | X | Pass |
| Pass | Pass | ? |