(;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 22 which is the problem position. These do not represent a game sequence!]
;B[qr]
;W[rr]
;B[pr]
;W[sr]
;B[sq]
;W[qq]
;B[qp]
;W[rp]
;B[ro]
;W[pq]
;B[so]
;W[pp]
;B[qn]
;W[po]
;B[pn]
;W[or]
;B[oq]
;W[nr]
;B[op]
;W[]
;B[oo]
;W[]C[This is the problem position. Black to play.]
)

