(;GM[1]AP[StoneBase:SGFParser.3.0.1]SZ[19]CA[gb2312]HA[0]AB[co][do][ep][fp][gp][fq]AW[cp][dq][eq][fr][gq][hq]
;B[er]
(;W[dr];B[gr];W[es];B[iq];W[hr];B[hp])
(;W[gr];B[bq];W[bp];B[cq]))