Unlike map 67, only mice who can make the jumps in one go can make it to the cheese and back. The pillars will not allow walljumping but it is possible to jump once if you slip off the side while hitting the top of a pillar. The rest of the mice must wait for the shaman to build a bridge. Going for first place will require a lot of Corner jumping.
The shaman can build a bridge across the pillars. Supports are not necessary, as the pillars will support the bridge.