(;AB[as]AB[ar]TR[aq]TR[ap]TR[bp]TR[cp]TR[cq]TR[cr]TR[cs]C[The triangles are edges of the board. White to win.FORCE]AP[goproblems]
(;W[br]TR[aq]TR[ap]TR[bp]TR[cp]TR[cq]TR[cr]TR[cs]C[RIGHT])
(;W[bq]TR[aq]TR[ap]TR[bp]TR[cp]TR[cq]TR[cs]TR[cr]AB[aq]AB[ap]AB[bp]AB[cp]AB[cq]AB[cr]AB[cs]C[FORCE];B[br]TR[cs]TR[cr]TR[cq]TR[cp]TR[bp]TR[ap]TR[aq])
(;W[bs]TR[aq]TR[ap]TR[bp]TR[cp]TR[cq]TR[cr]TR[cs]AB[aq]AB[ap]AB[bp]AB[cp]AB[cq]AB[cr]AB[cs]C[FORCE];B[br]TR[aq]TR[ap]TR[bp]TR[cp]TR[cq]TR[cr]TR[cs]))