(;AB[rs]AB[qs]AB[pr]AB[or]AB[os]AB[rq]AW[ns]AW[nr]AW[oq]AW[np]AW[pp]AW[qp]AW[rp]AW[sp]AB[rr]C[White can't kill Black but has the best result. Assumed all other territories and kos are settled. Ruleset: Chinese rules.]AP[goproblems]
(;W[qq];B[qr];W[sq];B[sr]LB[or:1]LB[pr:2]LB[qr:3]LB[rr:4]LB[sr:5]LB[os:6]LB[ps:7]LB[qs:8]LB[rs:9]LB[ss:10]LB[rq:11]LB[pq:1]LB[qq:2]LB[sq:3]C[RIGHT])
(;W[sq]
(;B[sr];W[qq];B[qr]LB[or:1]LB[pr:2]LB[qr:3]LB[rr:4]LB[sr:5]LB[os:6]LB[ps:7]LB[qs:8]LB[rs:9]LB[ss:10]LB[rq:11]LB[pq:1]LB[qq:2]LB[sq:3]C[RIGHT])
(;B[qq]
(;W[sr]
(;B[pq]LB[or:1]LB[pr:2]LB[qr:3]LB[rr:4]LB[os:5]LB[ps:6]LB[qs:7]LB[rs:8]LB[pq:9]LB[qq:10]LB[rq:11]LB[sq:1]LB[sr:2]LB[ss:3]C[RIGHT])
(;B[ss]LB[or:1]LB[pr:2]LB[qr:3]LB[rr:4]LB[os:5]LB[ps:6]LB[qs:7]LB[rs:8]LB[ss:9]LB[qq:10]LB[rq:11]LB[pq:1]LB[sq:2]LB[sr:3]C[RIGHT]))
(;W[ss];B[sr]LB[or:1]LB[pr:2]LB[qr:3]LB[rr:4]LB[sr:5]LB[os:6]LB[ps:7]LB[qs:8]LB[rs:9]LB[ss:10]LB[qq:11]LB[rq:12]LB[pq:1]LB[sq:2])))
(;W[pq];B[sq];W[qq];B[qr]LB[or:1]LB[pr:2]LB[qr:3]LB[rr:4]LB[sr:5]LB[os:6]LB[ps:7]LB[qs:8]LB[rs:9]LB[ss:10]LB[rq:11]LB[sq:12]LB[pq:1]LB[qq:2]))