(;GM[1]FF[4]SZ[5]
GN[moves 7-13]
PC[http://senseis.xmp.net/?RetrogradeAnalysisProblem5/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RetrogradeAnalysisProblem5/Attempts

moves 7-13]
PL[B]

AB[ac][bd]
AW[ab]

;B[ae]C[B7]MN[7]
;W[bc]C[W8]MN[8]
;B[ce]C[B9]MN[9]
;W[cd]C[W10]MN[10]
;B[ad]C[B11]MN[11]
;W[de]C[W12]MN[12]
;B[be]C[B13]MN[13]

;
)
