(;C[Black to win]AW[rs]AW[qs]AW[rr]AW[rq]AW[qq]AW[rp]AB[qp]AB[pp]AB[pq]AB[pr]AB[qr]AB[ps]AB[nr]AB[mr]AW[ms]AW[lr]AW[lq]AW[op]AW[np]AW[po]AW[qo]AW[on]AB[ro]AB[rn]AB[qm]AP[goproblems]
(;B[or];W[mq]
(;B[sp];W[nq]
(;B[sq]C[RIGHT])
(;B[sr]C[RIGHT])
(;B[ss];W[sr];B[so];W[oq];B[sq]C[RIGHT]))
(;B[sq];W[nq]
(;B[sp]C[RIGHT])
(;B[sr]C[RIGHT])
(;B[ss];W[sr];B[sp];W[so];B[sp];W[oq]))
(;B[sr];W[nq]
(;B[sp]C[RIGHT])
(;B[sq]C[RIGHT])
(;B[ss];W[sq]
(;B[so];W[oq];B[sp];W[ns])
(;B[sr];W[oq])))
(;B[ss];W[sr]
(;B[sp];W[nq];B[so];W[oq];B[sq]C[RIGHT])
(;B[so];W[sp])))
(;B[ns];W[or]
(;B[oq];W[nq];B[os];W[ls])
(;B[ls];W[oq];B[os]
(;W[mq])
(;W[kr];B[sp];W[mq];B[sq];W[nq])))
(;B[os];W[oq])
(;B[nq];W[oq];B[or];W[mq])
(;B[oq];W[nq];B[os];W[ls])
(;B[sp];W[or];B[oq];W[nq];B[os];W[ls];B[sq];W[ns])
(;B[sr];W[or];B[oq];W[nq];B[os];W[ls];B[sp];W[ns]))