(;AB[rr]AB[rq]AB[qq]AB[qp]AB[pp]AB[oq]AB[nq]AB[mq]AB[mr]AB[ns]AB[ps]AW[or]AW[ms]AW[ls]AW[lr]AW[lq]AW[mp]AW[np]AW[op]AW[lp]AW[po]AW[qo]AW[rp]AW[ro]AW[sq]AP[goproblems]
(;W[pr];B[pq]
(;W[os];B[qr];W[qs];B[nr])
(;W[sr];B[rs];W[os];B[qr];W[qs])
(;W[rs];B[sr]
(;W[qs];B[nr]
(;W[os];B[sp]
(;W[qr]C[RIGHT])
(;W[ss]C[RIGHT]))
(;W[qr];B[sp];W[os]C[RIGHT]))
(;W[qr];B[nr];W[qs];B[sp];W[os]C[RIGHT])
(;W[os];B[nr];W[qs];B[sp]
(;W[qr]C[RIGHT])
(;W[ss]C[RIGHT]))
(;W[nr];B[qr])
(;W[sp];B[qr]))
(;W[qr]
(;B[qs]
(;W[sr];B[rs]C[Seki.])
(;W[rs];B[ss]))
(;B[sr];W[rs];B[ss])))
(;W[nr];B[pq]
(;W[os];B[pr];W[ns];B[sr])
(;W[sr];B[pr])
(;W[rs];B[pr]))
(;W[os];B[pr])
(;W[sr];B[pr]))