(;GM[1]FF[4]SZ[19]
GN[Now the marked stone does its job]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem17/Attempts]AP[GoWiki:2009]
DT[2011-01-12]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem17/Attempts

Now the marked stone does its job]
PL[W]

AB[db][jb][ec][gc][dd][id][jd][fe][he][ff][hf][eg]
AW[cb][hb][cc][dc][hc][hd][ce][de][ge][dg][dh]
CR[ge]

;W[fb]C[W1]MN[1]
;B[eb]C[B2]MN[2]
;W[fd]C[W3]MN[3]
;B[ed]C[B4]MN[4]
;W[ee]C[W5]MN[5]
;B[gd]C[B6]MN[6]
;W[fc]C[W7]MN[7]

;CR[ge]
)
