(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PB[Black to play]
C[Just play through the moves to move 28 which is the problem position. These do not represent a game sequence!]
;B[pr]
;W[pq]
;B[qr]
;W[qq]
;B[rq]
;W[rp]
;B[sq]
;W[qp]
;B[rs]
;W[or]
;B[oq]
;W[ps]
;B[op]
;W[nr]
;B[pp]
;W[po]
;B[oo]
;W[om]
;B[]
;W[pl]
;B[]
;W[ql]
;B[]
;W[rl]
;B[]
;W[mq]
;B[]
;W[kq]C[This is the problem position. Black to play.]
)
