(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem50]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem50

Black to play and connect underneath]
PL[B]

AB[ga][bb][fb][hb][cc][gc][bd][gd][ce][ge][cf][dg][dh]
AW[cb][eb][ib][ec][hc][ic][fd][ie][df][ff][eg][hg]


;
)
