

| West | North | East | South |
| Pass | Pass | 1♣ | 1♠ |
| 1NT | 2♠ | 2NT | Pass |
| Pass | Pass |
| West | North | East | South |
| 1♦ | Pass | 1♥ | 1♠ |
| x | 2♠ | x | Pass |
| 2NT | Pass | 3NT | Pass |
| Pass | Pass |
| West | North | East | South |
| - | Pass | 1♥ | 2♦ |
| x | Pass | 2♥ | 3♦ |
| 3♠ | Pass | 4♦ | x |
| Pass | Pass | 4♥ | Pass |
| Pass | Pass |
| West | North | East | South |
| - | Pass | 1♥ | 2♦ |
| x | Pass | 4♥ | Pass |
| Pass | Pass |
| West | North | East | South |
| - | - | Pass | Pass |
| Pass | 1♣ | Pass | 1NT |
| Pass | 2♥ | Pass | 2NT |
| Pass | 4♥ | Pass | Pass |
| Pass |
| West | North | East | South |
| - | - | Pass | Pass |
| 1♦ | x | Pass | 2♥ |
| Pass | 4♥ | Pass | Pass |
| Pass |
| West | North | East | South |
| - | - | - | Pass |
| Pass | 1♦ | 1♥ | x |
| 4♥ | 4♠ | Pass | Pass |
| Pass |
| West | North | East | South |
| - | - | - | Pass |
| Pass | 1♦ | 1♥ | Pass |
| 2NT | 3♠ | Pass | 4♠ |
| Pass | Pass | Pass |
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