(;GM[1]FF[4]SZ[19]
GN[Better ko?]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem76/Attempts]AP[GoWiki:2009]
DT[2018-10-16]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem76/Attempts

Better ko?]
PL[B]

AB[ga][gb][ib][cc][fc][hc][jc][ad][bd][cd][dd][fd][id][de][ee][fe]
AW[ea][bb][cb][fb][ac][dc][ec][gc][ed][gd][hd][be][ce][gf][hf][cg][eg]

;B[fa]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[da]C[B3]MN[3]
;W[db]C[W4]MN[4]
;B[ab]C[B5]MN[5]
;W[bc]C[W6]MN[6]
;B[ba]C[B7]MN[7]

;
)
