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