(;GM[1]FF[4]SZ[4]
GN[Moves 21-22]
PC[http://senseis.xmp.net/?LongestPossibleGame]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?LongestPossibleGame

Moves 21-22]
PL[B]

AB[aa][ab][bb][cb][db][ad][bd]
AW[ca][da][ac][bc][cc][dc][dd]

;B[ba]C[B1]MN[1]
;W[cd]C[W2]MN[2]

;
)
