Tyler: Black can also start at B3.
B3, C3, B2, then if white plays C4 black can play B1.
If white captures at A3, black can play D2. Then C4 and B1 are miai
Farkas: B2 is occupied. But anyway, I disagree with your comment, B3 as first move doesn't work.
Black can also start at B3. B3, C3, B2, then if white plays C4 black can play B1. If white captures at A3, black can play D2. Then C4 and B1 are miai