(;AB[pr][pq][qp][rp][ro][qn][rm]AW[qo][po][pp][op][no][nq][nr][ns][qr][qq][rq]C[Black to play]SZ[19]
(;B[ps]
(;W[qs]
(;B[rs]C[RIGHT])
(;B[sq];W[sr]
(;B[rs];W[sp];B[so]C[Ko])
(;B[sp];W[rs]))
(;B[sr];W[oq];B[sq];W[or]
(;B[rs];W[os])
(;B[rr];W[os]))
(;B[rr];W[sr];B[rs];W[ss]))
(;W[sr];B[rs];W[qs];B[sp];W[sq]
(;B[ss];W[rr]
(;B[ss];W[rs];B[ss]C[RIGHT])
(;B[rs];W[ss];B[rs]C[RIGHT]))
(;B[rr];W[ss]
(;B[rs];W[rr];B[rs]C[RIGHT])
(;B[rr];W[rs];B[rr]C[RIGHT])))
(;W[rs];B[sr]
(;W[sq];B[sp];W[qs]
(;B[rr];W[ss]
(;B[sr];W[rr];B[sr]C[RIGHT])
(;B[rr];W[sr];B[rr]C[RIGHT]))
(;B[ss];W[rr]
(;B[sr];W[ss];B[sr]C[RIGHT])
(;B[ss];W[sr];B[ss]C[RIGHT])))
(;W[oq];B[sq]C[RIGHT];W[or];B[rr]C[RIGHT])))
(;B[sq];W[ps])
(;B[rs];W[ps];B[qs];W[or];B[os];W[oq])
(;B[sr];W[ps])
(;B[rr];W[rs];B[sr];W[ps];B[sq];W[qs])
(;B[qs];W[rs]
(;B[ps];W[sr])
(;B[sq];W[ps])))