(;GM[1]FF[4]SZ[19]
GN[Typical problem]
PC[https://senseis.xmp.net/?OshiTsubushi]AP[GoWiki:2009]
DT[2023-05-07]
C[Diagram from https://senseis.xmp.net/?OshiTsubushi

Typical problem]
PL[W]

AB[ca][cb][bc][bd][be]
AW[db][fb][cc][dc][cd][ce][bf][cf][bh]

;W[ab]C[W1]MN[1]
;B[bb]C[B2]MN[2]
;W[ae]C[W3]MN[3]

;
)
