(;GM[1]FF[3]SZ[19]
AW[dm][cn][en][fp][gp][cq][dq][eq][gq][br][gr]AB[fo][bp][cp][dp][ep][bq][fq][fr]PL[B]C[Black to play and get a ko.]
;B[cr];W[dr];B[bs]
(;W[ar];B[ds])
(;W[cs];B[ar]))