(;AP[goproblems]AB[sr]AB[rq]AB[qq]AB[qr]AW[qs]AW[pr]AW[oq]AW[op]AW[pp]AW[qp]AW[rp]AW[sp]AW[sq]AB[ns]AW[or]AB[nr]AB[nq]AB[np]AB[no]AB[oo]AB[po]AB[qo]AB[so]AB[ro]C[White to play.](;W[rs](;B[os](;W[rr];B[ps](;W[pq]C[Easy peasy. =)RIGHT])(;W[ss];B[sr]))(;W[ps];B[rr])(;W[pq];B[ps]))(;B[rr]C[White gets seki in sente.RIGHT]))(;W[pq];B[rr];W[rs];B[os])(;W[ps];B[rs])(;W[rr];B[rs])(;W[os];B[rs])(;W[ss];B[rs]))