StrangeThingsHappenAtTheOneTwoPoint/Problem 1 Attempts

kb: My attempts.

Living in sente  

White cannot push in to make a false eye at the 1-1 point because of shortage of liberties.

Oiotoshi  

Failure  

This doesn't work. After , Black can capture two stones by playing at a, but White can then play at (capture two, recapture one), and there is no second eye.