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