(;GM[1]FF[3]SZ[19]
AW[bq][cq][dq][er][es]AB[ap][bp][cp][dp][eq][fq][fr]PL[B]C[Black to play and kill.]
(;B[cs];W[bs]
(;B[ar];W[aq];B[dr])
(;B[br]TR[br];W[ar]))
(;B[aq]TR[aq];W[ar]
(;B[bs];W[cs];B[cr];W[dr])
(;B[br];W[bs])))