(;GM[1]FF[4]SZ[19]
GN[variation 1: [snapback\]]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem46/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem46/Solution

variation 1: [snapback\]]
PL[B]

AB[cb][gb][cc][dc][gc][fd][gd][ce][fe][df][ef]
AW[db][eb][hb][ec][fc][ic][ed][ee][ge][ie][ff][gf]

;B[fa]C[B1]MN[1]
;W[ha]C[W2]MN[2]
;B[da]C[B3]MN[3]
;W[ea]C[W4]MN[4]
;B[dd]C[B5]MN[5]
;W[ga]C[W6]MN[6]
;B[de]C[B7]MN[7]

;
)
