Gokyo Shumyo, Section 1, Problem 81 / Solution
Main line: Hashimoto Utaro
Variations: unkx80, Dieter
This is what the book provides as the main line. White 7 makes miai of a and b.
The points marked a are miai. So are the points b and the points c.White is alive.
Another wrong answer to Black 2. a and b are miai for the kill.