(;GM[1]FF[3]SZ[19]
AW[lb][mb][qb][mc][oc][rc][qd][ne][oe][re][qf][mg][og]AB[ka][qa][kb][pb][lc][pc][kd][md][pd][me][pe][mf]PL[B]C[Black to play and connect underneath.
The solution is a ko.]
)