(;GM[1]FF[4]SZ[19]
GN[Problem 403]
PC[http://senseis.xmp.net/?FiveHundredAndOneTesujiProblems/Errata]AP[GoWiki:2009]
DT[2010-04-09]
C[Diagram from http://senseis.xmp.net/?FiveHundredAndOneTesujiProblems/Errata

Problem 403]
PL[B]

AB[cb][cc][cd][ce][de][df][ff][eg][fg][ch][dh][cj]
AW[db][dc][dd][be][ee][fe][ge][cf][ef][cg][dg][eh][gh][ei]

;B[ae]C[B1]MN[1]
;W[bd]C[W2]MN[2]
;B[bf]C[B3]MN[3]
;W[bg]C[W4]MN[4]
;B[ag]C[B5]MN[5]

;
)
