(;GM[1]FF[4]SZ[19]
GN[Diagram 2a: White utilizes WC]
PC[http://senseis.xmp.net/?BQM497]AP[GoWiki:2009]
DT[2010-01-11]
C[Diagram from http://senseis.xmp.net/?BQM497

Diagram 2a: White utilizes WC]
PL[W]

AB[oc][qc][qd][pe][re][rf][qo][qp][pq]
AW[dd][rd][qe][qf][qg][qn][po][dp]
CR[rd][re][rf]
LB[oe:b]

;W[pd]C[W1]MN[1]
;B[pc]C[B2]MN[2]
;W[rg]C[W3]MN[3]
;B[rc]C[B4]MN[4]

;CR[rd][re][rf]
LB[oe:b]
)
