(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem70/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem70/Attempts

Black to play and connect underneath]
PL[B]

AB[db][cc][dc][ec][fc][kc][lc][gd][id][jd][ee][ie]
AW[bb][cb][bc][gc][hc][cd][fd][kd][ge][he][je][df][if][fg]
LB[jc:a][hd:b]

;B[ib]C[B1]MN[1]
;W[hb]C[W2]MN[2]

;LB[jc:a][hd:b]
)
