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

A small difference]
PL[B]

AB[bb][bc][ad][dd][ed][fd][be][ce][bg][ci]
AW[ba][cb][cc][dc][ec][bd][cd][de][df]
LB[fb:x]

;B[ab]C[B1]MN[1]
;W[ca]C[W2]MN[2]
;W[aa]C[W4]MN[4]

;LB[fb:x]
)
