(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem61]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem61

Black to play and connect underneath]
PL[B]

AB[dc][ec][jc][kc][ed][id][ee][fe][ge][hf]
AW[cc][cd][dd][fd][gd][hd][jd][he][je][df][if][fg][ig][gh]


;
)
