Originally Posted by
mvoight
The way I understand it, the two oldest got seated together, each parent sat with lap child and was seated next to one of the other younger children
How do you figure that? The OP gave the seat numbers:
17B - 19B - 26E - 26F - 31A - 31B
Perhaps the OP can clarify but it looks more like the parent and lap infants were in 17B and 19B, with pairs of children in 26E&F and 31A&B?