(;SZ[19]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]AW[pp]AW[qp]AW[rp]AW[nq]AW[oq]AW[rq]AW[rr]AW[rs]AB[oo]AB[po]AB[qo]AB[ro]AB[np]AB[lq]AB[mq]AB[qq]AB[nr]AB[qr]AB[qs]RU[Japanese]PW[White]PB[Black]C[If black can save his 3 stones, white's corner will die.](;B[os](;W[or](;B[ps];W[mr](;B[ns];W[ms](;B[lr]C[RIGHT])(;B[ls]C[RIGHT]))(;B[ms];W[ns])(;B[lr];W[ns]))(;B[ns];W[ps])(;B[pr];W[pq])(;B[pq];W[pr])(;B[op];W[ps]))(;W[ps](;B[pr];W[or];B[mr];W[pq])(;B[or]C[RIGHT])))(;B[or];W[pr](;B[ps];W[pq];B[os];W[mr])(;B[pq];W[ps])(;B[os];W[pq];B[ps];W[mr]))(;B[pr];W[or];B[os];W[pq])(;B[op];W[pr])(;B[pq];W[ps]))