(;GM[1]FF[4]SZ[19]
GN[Problem 433, 4 stars, Book Solution]
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, Book Solution]
PL[B]

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

;B[eb]C[B1]MN[1]
;W[db]C[W2]MN[2]
;B[ca]C[B3]MN[3]
;W[ea]C[W4]MN[4]
;B[ba]C[B5]MN[5]

;CR[gb]
)
