(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem57]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem57

Black to play and connect underneath]
PL[B]

AB[ha][cb][ib][dc][hc][jc][dd][gd][hd][de]
AW[bb][gb][hb][bc][gc][ed][fd][ce][df][ef][ff]


;
)
