(;GM[1]FF[4]SZ[19]
GN[White to play and connect underneath]
PC[https://senseis.xmp.net/?GokyoShumyoSection6Problem66/Solution]AP[GoWiki:2009]
DT[2023-01-23]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection6Problem66/Solution

White to play and connect underneath]
PL[W]

AB[bb][hb][bc][cd][ed][gd][hd][ee]
AW[db][gb][jb][cc][ec][ic]

;W[ha]C[W1]MN[1]
;B[fb]C[B2]MN[2]
;W[fa]C[W3]MN[3]
;B[gc]C[B4]MN[4]
;W[ga]C[W5]MN[5]

;
)
