(;GM[1]FF[4]SZ[19]
GN[Is White light?]
PC[http://senseis.xmp.net/?DefendingAnEnclosure]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DefendingAnEnclosure

Is White light?]
PL[B]

AB[pd][po][pq]
AW[dd][pj][dp]
CR[pj]

;B[qg]C[B1]MN[1]
;W[ql]C[W2]MN[2]
;B[qn]C[B3]MN[3]

;CR[pj]
)
