kovarex: I discovered that one of whites answers was wrong, and this problem actually leads to 10 000 years ko (or one more approach ko), not a direct ko. I re-checked with the book official answer, which is also 10 000 years ko, so I updated the prbolem.
I discovered that one of whites answers was wrong, and this problem actually leads to 10 000 years ko (or one more approach ko), not a direct ko. I re-checked with the book official answer, which is also 10 000 years ko, so I updated the prbolem.