(;GM[1]FF[4]SZ[19]
GN[Black to play.]
PC[http://senseis.xmp.net/?HitachiNumber9/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?HitachiNumber9/Solution

Black to play.]
PL[B]

AB[dc][ec][fc][gc][bd][cd][gd][be][ge][ff][gg]
AW[cb][hb][cc][ic][dd][ed][fd][ce][ie][bf][cf][ef][gf][hf][dg]
LB[ee:a][eg:b]

;B[de]C[B1]MN[1]

;LB[ee:a][eg:b]
)
