yes, when i bid 5s, i was thinking of the possibility of 7.

-------------------North
-------------------S: void
-------------------H: 10 5 3
-------------------D: A K 5
-------------------C: A K Q J 9 5 4

West--------------------------------East
S: 8 7 6 5 2------------------------S: K 10
H: 7 6------------------------------H: A Q J 9 8 4
D: J 4------------------------------D: 9 8 7 6 3
C: 8 7 3 2--------------------------C: void

-------------------South
-------------------S: A Q J 9 4 3
-------------------H: K 2
-------------------D: Q 10 2
-------------------C: 10 6

N---E---S---W
2C--2NT-X--3D
3H--/---3S--/
4C--/---4H--/
5C--/---5S--/
/--/

The other table north open 1C and only play 5C at the end.