(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem1/Attempts]AP[GoWiki:2009]
DT[2012-05-16]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem1/Attempts

Black to play and connect underneath]
PL[B]

AB[hb][cc][gc][dd][hd][de][df][gf]
AW[ib][jb][ec][fd][jd][ge][ef][jf][gg][hg]
LB[ee:a][he:c][ff:b][hf:d]

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

;LB[ee:a][he:c][ff:b][hf:d]
)
