(;GM[1]FF[4]SZ[5]
GN[]
PC[http://senseis.xmp.net/?RetrogradeAnalysisProblem8/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RetrogradeAnalysisProblem8/Attempts

]
PL[B]

AB[aa][ca][bb]
AW[ab]
CR[aa]
LB[ba:a]


;CR[aa]
LB[ba:a]
)
