(;GM[1]FF[4]SZ[4:3]
GN[W4 is Pass.]
PC[http://senseis.xmp.net/?3x4Problems/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?3x4Problems/Attempts

W4 is Pass.]
PL[B]

AB[aa][cb][db]
AW[ab][bb][dc]

;B[ca]C[B1]MN[1]
;W[bc]C[W2]MN[2]
;B[ba]C[B3]MN[3]
;B[cc]C[B5]MN[5]

;
)
