(;AW[ln]AW[ko]AW[mo]AW[lp]AW[mm]AB[kn]AB[lm]AB[ml]AW[nn]AB[jo]AB[kp]AB[lq]AB[mp]AB[no]AB[on]AW[nm]AB[km]AB[om]AW[pq]MA[ko]MA[ln]MA[mm]MA[nm]MA[nn]MA[mo]MA[lp]C[White to play.]AB[ok]AP[goproblems]
(;W[oo];B[np]TR[mm]TR[nm]TR[nn]TR[ln]TR[mo]TR[ko]TR[lp]C[Now they can't get out.])
(;W[mq];B[lo]TR[mm]TR[nm]TR[nn]TR[mo]TR[ln]C[Now they can't get out.])
(;W[kq];B[lo]TR[mm]TR[nm]TR[nn]TR[mo]TR[ln]C[Now they can't get out.])
(;W[np]
(;B[oo]C[];W[mq];B[lo]
(;W[mp];B[mn]C[ko.RIGHT]))))