(;GM[1]FF[4]SZ[19]
GN[Why 3?]
PC[http://senseis.xmp.net/?BQM70]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM70

Why 3?]
PL[W]

AB[dd][jd][dj]
AW[pd]
LB[cf:a][ff:b]

;W[fd]C[W1]MN[1]
;B[ec]C[B2]MN[2]
;W[fc]C[W3]MN[3]

;LB[cf:a][ff:b]
)
