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

Diagram  a]
PL[B]

AB[pd][qg][po][pq]
AW[dd][pj][ql][dp]
LB[jd:d][pg:f][rg:e][dj:c]

;B[qn]C[B1]MN[1]
;W[jp]C[W2]MN[2]
;B[mj]C[B3]MN[3]

;LB[jd:d][pg:f][rg:e][dj:c]
)
