(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[]PB[Black to Play]C[Just play through the moves to move 30 which is the problem
position. These do not represent a game sequence!]
;B[dp]
;W[bp]
;B[do]
;W[co]
;B[en]
;W[bn]
;B[fo]
;W[cm]
;B[fp]
;W[dm]
;B[eq]
;W[em]
;B[cq]
;W[fm]
;B[br]
;W[bq]
;B[fr]
;W[gr]
;B[]
;W[gq]
;B[]
;W[gp]
;B[]
;W[go]
;B[]
;W[fn]
;B[]
;W[fq]
;B[]
;W[dr]C[This is the problem position. Black to play.])