(;GM[1]FF[4]SZ[4:3]
GN[Black Wins]
PC[http://senseis.xmp.net/?3x4Problems/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?3x4Problems/Attempts

Black Wins]
PL[B]

AB[ca][ab]
AW[ba][bc]

;B[cb]C[B1]MN[1]
;W[cc]C[W2]MN[2]
;B[bb]C[B3]MN[3]
;W[db]C[W4]MN[4]
;B[ac]C[B5]MN[5]

;
)
