(;GM[1]FF[4]SZ[19]
GN[Isolate Black's stones]
PC[http://senseis.xmp.net/?BQM131]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM131

Isolate Black's stones]
PL[W]

AB[pd][io][jo][jp][pp][jq][jr]
AW[jn][kn][ko][kp][kq][kr]
CR[pp]
LB[qn:c][ro:e][qp:g][nq:a][qq:f][pr:d]

;W[pn]C[W1]MN[1]

;CR[pp]
LB[qn:c][ro:e][qp:g][nq:a][qq:f][pr:d]
)
