(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem20]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem20

Black to play and connect underneath]
PL[B]

AB[cc][gc][bd][dd][gd][id][de][fe][cg]
AW[dc][ec][jc][fd][jd][ee][ge][je][ef][hf]


;
)
