(;GM[1]FF[4]SZ[19]
GN[Problem 433, 4 stars]
PC[http://senseis.xmp.net/?GetStrongAtTesuji/Questions]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GetStrongAtTesuji/Questions

Problem 433, 4 stars]
PL[B]

AB[bb][gb][bc][cc][fc][dd][ed][fd]
AW[fa][cb][fb][dc][ec][gc][hc][cd][ce][df]

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

;
)
