(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem28]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem28

Black to play and connect underneath]
PL[B]

AB[cb][cc][hc][ic][dd][ee][he][ef][ff][cg]
AW[db][fc][jc][jd][fe][ge][gf][if][fg]


;
)
