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