(;AP[goproblems]AB[rs]AB[qr]AB[rq]AB[rp]AB[qp]AB[pp]AB[pq]AB[or]AW[rr]AW[sr]AW[sq]AW[sp]AW[ro]AW[qo]AW[po]AW[op]AW[oq]AW[no]AW[nr]AW[ns]C[Black to live](;B[os]C[];W[ps]C[](;B[pr]C[Correct !RIGHT])(;B[qs];W[pr])(;B[ss];W[qs]))(;B[ps];W[os])(;B[qs];W[os]C[])(;B[ss];W[qs]))