(;GM[1]FF[4]SZ[19]
GN[Black to move]
PC[http://senseis.xmp.net/?GokyoShumyoSection7Problem7/Attempts]AP[GoWiki:2009]
DT[2011-12-19]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection7Problem7/Attempts

Black to move]
PL[B]

AB[cc][dc][hc][ed][hd][ie]
AW[fc][fd][df][eg][gg]

;B[fe]C[B1]MN[1]
;W[ge]C[W2]MN[2]
;B[gd]C[B3]MN[3]
;W[ee]C[W4]MN[4]
;B[ff]C[B5]MN[5]
;W[gf]C[W6]MN[6]
;B[fb]C[B7]MN[7]

;
)
