(;GM[1]FF[4]SZ[19]
GN[or 4 at ''a'']
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem45/Attempts]AP[GoWiki:2009]
DT[2009-05-05]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem45/Attempts

or 4 at ''a'']
PL[W]

AB[bb][cb][cc][dc][ed][ce][ee][bf][cf]
AW[ab][bc][ec][fc][bd][cd][dd][be]
LB[db:a]

;W[da]C[W1]MN[1]
;B[eb]C[B2]MN[2]
;W[ba]C[W3]MN[3]
;B[ea]C[B4]MN[4]
;W[fb]C[W5]MN[5]

;LB[db:a]
)
