Hm. Syrlya rubs his chin, committing it to memory. "You said you were in a cell by the medical, bay? That puts you still close to the farm and the rest of us, doesn't it?"

So that must put them all in the same general section... and Ignatius in a section further. It's possible the map doesn't show every connection, but it's also possible that they're using teleportation. Syrlya's seen both (Syrlya has broken into a lot of science labs).