25E GO BY CANOE. A bottomless chasm is in the center of this course, fifty feet wide. A canoe with one paddle and seating for two in near the edge. If the canoe is picked up it will float in the air and can be navigated over the chasm.
The challenge is a test of adventurer unity. They must decide to cooperate in order to get all across safely.
The usual teleporter hole leads to Room 25F. The canoe will not teleport, even if forced into the hole.