CommentStreams:4b0922ce67d0f80edcfa0ece784b8de2

"What happens if you place the hill halfling adjacent with other halfling?"

There is not really any source of information about this, but the only logically thing is that you will put the tile (that goes under the hill halfling) under both halflings.

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"Can you place a castle on this city?"

If you place it on a 2 tile castle (a city consisting of only 2 semi-circular segments) you may place the castle on it.

Example: 2 semi-circular segments, so you may place a castle.

The segments are both circular.

Example: tile that isn't (half) circular