(;GM[1]FF[4]SZ[19]
GN[How to exploit?]
PC[http://senseis.xmp.net/?BQM463]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM463

How to exploit?]
PL[B]

AB[cj][cm]
AW[dd][cg][dp][gq]
CR[cm]
LB[bo:b][dr:a]

;B[cq]C[B1]MN[1]
;W[cp]C[W2]MN[2]
;B[bp]C[B3]MN[3]
;W[dq]C[W4]MN[4]
;B[br]C[B5]MN[5]
;W[cr]C[W6]MN[6]
;B[bq]C[B7]MN[7]

;CR[cm]
LB[bo:b][dr:a]
)
