(;GM[1]FF[4]SZ[19]
GN[black to play: the white stone is weak]
PC[http://senseis.xmp.net/?posting=3725]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=3725

black to play: the white stone is weak]
PL[B]

AB[dd][cl]
AW[cj]
CR[cj][cl]

;B[ci]C[B1]MN[1]
;W[dj]C[W2]MN[2]
;B[ch]C[B3]MN[3]

;CR[cj][cl]
)
