(;GM[1]FF[4]SZ[19]
GN[Black to play and connect underneath]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem1/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem1/Attempts

Black to play and connect underneath]
PL[B]

AB[hb][cc][gc][dd][ed][gd][hd][de][fe][df][ff][gf]
AW[ib][jb][ec][fc][fd][jd][ee][ge][he][ef][jf][eg][gg][hg]
SQ[fe][ff][gf]
LB[ha:b][gb:a]

;B[eb]C[B1]MN[1]
;W[fb]C[W2]MN[2]
;B[fa]C[B3]MN[3]
;W[ga]C[W4]MN[4]
;B[ea]C[B5]MN[5]

;SQ[fe][ff][gf]
LB[ha:b][gb:a]
)
