(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[White]PB[Black]AW[cp][dp][ep][fp][aq][bq][fq][fr][fs]AB[dq][eq][ar][br][er][cs][ds][es]C[white to kill.]PL[W]
(;W[cr]CR[cr]
;B[cq]CR[cq]
;W[bs]LB[cq:2][cr:1][bs:3]C[double snapback.])
(;W[cq]CR[cq]
;B[cr]CR[cr]C[too straight-forward, does not work.]))