(;GM[1]FF[4]SZ[19]
GN[Original position]
PC[http://senseis.xmp.net/?RetrogradeAnalysisProblem7/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RetrogradeAnalysisProblem7/Attempts

Original position]
PL[B]

AB[aa][ca][eb][fb][bc][cc][dc]
AW[da][ab][bb][cb]
LB[ba:a]


;LB[ba:a]
)
