(;GM[1]FF[4]SZ[2]
GN[Moves 19-20]
PC[http://senseis.xmp.net/?LongestPossibleGame]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?LongestPossibleGame

Moves 19-20]
PL[B]

AW[ba]

;W[bb]C[W10]MN[10]

;
)
