Yeah, ...... concerning the emplacement of available rooms or areas you can use two rooms by converting a piece of wall into a small pass for the ramps.
(Even the rooms are narrow).
Also you have a digital planning program. Will you lay some diagonals ? and tell the parallel clearance from line 1 to line 3 ?
1st case : 2275, 2207, 2293, 2275, 2207, 2293, 2275, 2207, 2293, 2275.
2nd case : 2275, 2201, 2208, 2275, 2201, 2208, 2275, 2201, 2208, 2275.
3rd case : 2275, 3X2202, 2275, 3X2202, 2275, 3X2202, 2275.
4th case : 2275, 2X2293, 2203, 2275, 2X2293, 2203, 2275, 2X2293, 2203, 2275.
Greetins, gruss, christos563.