Robot Phase 4 Tiles

Last player chooses: the last player chooses the robot's cities while it can pay, it never builds through possible cities voluntarily, and it must build in any city with an empty space that the player picks. Never more than the first player: as many cities as possible, but never more in total than the first player. Supplied cities: only as many as it can supply. Step 1 limit: at most 6 cities in Step 1, otherwise as many as possible, and never in cities with the first player's houses. One per Step: 1 city in Step 1, 2 in Step 2, 3 in Step 3; or simply as many cities as possible.