(;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 20 which is the problem position. These do not represent a game sequence!]
;B[pq]
;W[pp]
;B[op]
;W[po]
;B[qp]
;W[qq]
;B[pr]
;W[qr]
;B[qs]
;W[rs]
;B[ps]
;W[qn]
;B[rr]
;W[rq]
;B[rp]
;W[sq]
;B[ro]
;W[rn]
;B[nq]
;W[]C[This is the problem position. Black to play. Note this diagram was incorrect in BGJ 140.]
)
