(;GM[1]FF[4]SZ[3]
GN[1-2]
PC[http://senseis.xmp.net/?ShortestAToBProofGames3x3/Solution]AP[GoWiki:2009]
DT[2015-03-24]
C[Diagram from http://senseis.xmp.net/?ShortestAToBProofGames3x3/Solution

1-2]
PL[B]

AB[aa][ba][ab][bc]
AW[ca][bb][cc]

;W[ac]C[W2]MN[2]

;
)
