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