Seed: 7114951007332849727
Room layout (compact): 
0,1,2,3
|
+- 4,5
|
+- 6,7
|
+- 8,9,10,11,12,13,14,15,16,17,18,19
|
20,21

Layout with room names:
tutRezBox-0
|
autoDoor-1
|
Corridor-2
|
doorToggle-6gon-3
|
+- triggerDoorRoom-4
|  |
|  autoRect-5
|
+- triggerDoorRoom-6
|  |
|  autoRect-7
|
+- Corridor-8
|  |
|  autoDoor-9
|  |
|  Corridor-10
|  |
|  Corridor-11
|  |
|  roomCenterPillar-12
|  |
|  corridorN-13
|  |
|  autoDoor-14
|  |
|  Corridor-15
|  |
|  6gon-16
|  |
|  defaultRoom-17
|  |
|  autoRect-18
|  |
|  Corridor-19
|
triggerDoorRoom-20
|
autoRect-21