(;GM[1]FF[4]SZ[5]
GN[Alternate defense]
PC[http://senseis.xmp.net/?GoneProblem3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GoneProblem3/Solution

Alternate defense]
PL[W]

AB[aa][bc][ad][dd][be][ce]
AW[ca][ea][db][cc][ec][cd]

;B[ee]C[B2]MN[2]
;W[ac]C[W3]MN[3]
;B[bb]C[B4]MN[4]
;W[bd]C[W5]MN[5]

;
)
