(;GM[1]FF[4]SZ[3]
GN[9-12]
PC[http://senseis.xmp.net/?ShortestAToBProofGames3x3/Solution]AP[GoWiki:2009]
DT[2015-03-24]
C[Diagram from http://senseis.xmp.net/?ShortestAToBProofGames3x3/Solution

9-12]
PL[B]

AB[bb][bc][cc]
AW[ba]

;B[aa]C[B9]MN[9]
;W[cb]C[W10]MN[10]
;B[ab]C[B11]MN[11]
;W[ac]C[W12]MN[12]

;
)
