(;AW[rn]AW[ro]AW[qp]AW[qq]AW[pr]AW[qr]AB[qm]AB[rm]AB[sm]AB[qn]AB[qo]AB[pp]AB[nq]AB[pq]AB[or]LB[on:A]C[black to kill. play at A if you think it's unconditionally alive]SZ[19]GM[1]FF[3]RU[Japanese]HA[0]KM[5.5]PW[White]PB[Black]GN[White (W) vs. Black (B)]DT[1999-07-27]SY[Cgoban 1.9.2]TM[30:00(5x1:00)]
(;B[rp]
(;W[rq]
(;B[sr];W[sp]
(;B[sn]
(;W[rr]
(;B[so]
(;W[ps];B[rs]C[RIGHT])
(;W[rs];B[ps]C[RIGHT]))
(;B[ps];W[so])
(;B[rs];W[so]))
(;W[ps];B[rs];W[rr];B[so]C[RIGHT]))
(;B[ps];W[sn])
(;B[rs];W[sn])
(;B[sq];W[sn]))
(;B[rs];W[sp]
(;B[sn];W[so];B[sr];W[sq])
(;B[ps];W[qs]))
(;B[sp];W[sq])
(;B[sq];W[sp])
(;B[ps];W[sp])))
(;B[sn];W[sr]
(;B[rs];W[sp]
(;B[rq];W[rr];B[rp];W[sq];B[rp];W[so])
(;B[rr];W[rq]))
(;B[rp];W[rq])
(;B[so];W[rp]
(;B[rs];W[rr])
(;B[sp];W[sq];B[rs];W[rr])
(;B[ps];W[rs])))
(;B[on]C[nope])
(;B[ps];W[rp])
(;B[rs];W[rr]
(;B[rp];W[rq])
(;B[sp];W[rp]))
(;B[sr];W[rr]
(;B[rp];W[sq]
(;B[ps];W[ss]
(;B[qs];W[so])
(;B[so];W[qs]))
(;B[sp];W[rq])
(;B[so];W[ss])
(;B[rs];W[qs]))
(;B[sp];W[rp]))
(;B[rq];W[rp])
(;B[sq];W[rq])
(;B[rr];W[rq]))