(;GM[1]FF[4]SZ[5]
GN[Black first]
PC[http://senseis.xmp.net/?posting=2859]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=2859

Black first]
PL[B]

AB[ba][ab][bb][ac][bc][ad][bd][be]
AW[ca][cb][cc][dc][cd][ed][ce][de]

;B[eb]C[B1]MN[1]
;W[db]C[W2]MN[2]
;B[ea]C[B3]MN[3]
;W[ec]C[W4]MN[4]

;
)
