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

Oshi-tsubushi]
PL[B]

AB[ca][bb][cb][bc]
AW[ba][ab][eb][cc][dc][bd][ce]
CR[aa][ba][ab]

;B[ac]C[B1]MN[1]

;CR[aa][ba][ab]
)
