Gokyo Shumyo, Section 2, Problem 12 / Attempts
unkx80: What if
here? If
blocks, then
seems to live.
Therefore, I thought the solution might be
. If
here, then
kills. If
at a, then
at
, which reverts to the earlier variations.
Bill: As always, unkx80 is right. (I peeked.) Here is another variation.