(;AB[qs]AB[qr]AB[qq]AB[rr]AB[qo]AB[ro]AB[rp]AB[ms]AB[mr]AB[mq]AB[mp]AW[nr]AW[pr]AW[pp]AW[qp]AW[np]AW[no]AW[mn]AW[lo]AW[kp]AW[jq]AW[kr]AW[pn]AW[po]AW[qm]AW[rn]TR[mp]TR[mq]TR[mr]TR[ms]C[Is there any chance to connect the four marked stones ?]AP[goproblems];B[or];W[oq];B[os];W[nq];B[ns]C[well done !RIGHT])