(;AB[rs]AB[qr]AB[pr]AB[oq]AB[nq]AB[mq]AB[lq]AB[kr]AB[ls]AW[jr]AW[jq]AW[kq]AW[lp]AW[mp]AW[op]AW[po]AW[pq]AW[qq]AW[rq]AW[rr]AW[or]AW[qs]AP[goproblems]
(;B[ps];W[os]
(;B[nr];W[qs];B[ns]
(;W[ss];B[mr]C[RIGHT])
(;W[mr];B[pr]C[RIGHT]))
(;B[ns];W[qs]
(;B[mr];W[nr])
(;B[nr];W[mr];B[pr]C[RIGHT])
(;B[pr];W[qr]
(;B[nr];W[ps];B[mr]C[RIGHT])
(;B[mr];W[ps];B[nr]C[RIGHT])
(;B[ms])))
(;B[mr];W[ns]))
(;B[os];W[nr]
(;B[mr];W[ps])
(;B[ns];W[ps]))
(;B[nr];W[ps]
(;B[ns];W[mr])
(;B[mr];W[ns]))
(;B[mr];W[ns])
(;B[ns];W[nr]
(;B[mr];W[ps])
(;B[os];W[ps])))