(;AB[ls]AB[lr]AB[lq]AB[lp]AB[lo]AB[ln]AB[pn]AB[po]AB[qp]AB[rq]AB[rr]AB[rs]AB[rp]AB[qo]AB[om]AB[nm]AB[mm]AB[lm]AB[pm]AW[qs]AW[qr]AW[pr]AW[nq]AW[op]AW[oo]AW[no]AW[mo]AW[mp]C[Black to play and kill.]SZ[19]AP[MultiGo:3.7.0]
(;B[pq]
(;W[or]
(;B[oq];W[mq]
(;B[ns];W[os];B[nr]C[Correct!RIGHT])
(;B[nr];W[mr]C[Oops :o)])
(;B[mr];W[nr]C[Oops :o)])
(;B[ms];W[ns]C[Oops :o)])
(;B[os];W[ns]C[Oops :o)]))
(;B[ns];W[os]
(;B[nr]C[];W[oq]C[Oops :o)])
(;B[oq]
(;W[mq];B[nr]C[Correct!RIGHT])
(;W[nr];B[mq]C[Correct! RIGHT])))
(;B[nr];W[mr]
(;B[ns];W[os];B[ms];W[oq])
(;B[mq];W[oq])
(;B[ms];W[ns];B[mq];W[oq])))
(;W[oq];B[os]C[Correct!RIGHT]))
(;B[mq];W[nr]C[Oops :o)])
(;B[mr];W[nr]C[Oops :o)])
(;B[ms];W[os]C[]
(;B[nr];W[or];B[pq];W[oq])
(;B[pq];W[oq])
(;B[or];W[nr]))
(;B[ns];W[os]
(;B[or];W[nr];B[ps];W[oq])
(;B[pq];W[oq])
(;B[nr];W[or]))
(;B[nr];W[or]
(;B[pq];W[mr]
(;B[ns];W[os]
(;B[oq];W[ms]
(;B[mq];W[nr])
(;B[nr];W[mq]))
(;B[ms];W[oq]))
(;B[mq];W[oq])
(;B[oq];W[mq]))
(;B[os];W[pp]))
(;B[or];W[nr]
(;B[ns];W[os];B[ps];W[oq])
(;B[pq];W[oq]C[Oops :o)])
(;B[os];W[ns]))
(;B[oq];W[pq]C[];B[nr];W[or]
(;B[pp];W[mr]
(;B[ns];W[os];B[ms];W[mq])
(;B[mq];W[ns]))
(;B[os];W[pp])
(;B[mq]
(;W[pp])
(;W[os])))
(;B[ps];W[os]C[Oops :o)])
(;B[os];W[or]
(;B[pq];W[ns])
(;B[ns];W[pq])
(;B[nr];W[pp])))