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 |
XX | 6NT | X | XX |
7♣ | X | Pass | Pass |
XX | 7♦ | Pass | 7♥ |
X | Pass | Pass | XX |
Pass | Pass | 7♠ | Pass |
Pass | X | XX | Pass |
7NT | X | Pass | Pass |
XX | Pass | Pass | Pass |
? |