End City/Structure/Base

Base Room
Base rooms are empty rooms found at the base of each end city; they are three stories tall, with each room becoming wider than the one below it.

Layer 5

 * If the block is Green Wool the stair next to it is flipped upside-down and if it's Red Wool, then it's not.
 * DON'T add any wool to the structure.

Layer 9

 * If the block is Green Wool the stair next to it is flipped upside-down and if it's Red Wool, then it's not.
 * DON'T add any wool to the structure.

Layer 13

 * If the block is Green Wool the stair next to it is flipped upside-down and if it's Red Wool, then it's not. Same on opposite side of structure.
 * DON'T add any wool to the structure.