And because the red exit box is covering half of E,22 and the other half of E,23 the tiles don't match up quite right with the exit?
You think you're confused, imagine how we felt when we were trying to figure this stuff out!
The exits are indeed a half-tile off (otherwise known as a quad or subtile). If you look closely at the Truce area, shifting the exits to cover a single tile would make either the fairgrounds or the mayor's manor not covered by an exit. An even better example might be the Zenan Bridge.
We did a ton of data manipulation and experimentation to confirm this is correct.
It should also be noted that the "65" that's mentioned here is only the subtile number of the northwest quadrant. If you click on the different quadrants of the tile, it will bring up the corresponding subtile information.
---T.Geiger