(;GM[1]FF[4]SZ[19]
GN[Problem 31]
PC[http://senseis.xmp.net/?FiveHundredAndOneTesujiProblems/Errata]AP[GoWiki:2009]
DT[2010-04-08]
C[Diagram from http://senseis.xmp.net/?FiveHundredAndOneTesujiProblems/Errata

Problem 31]
PL[B]

AB[ce][df][eg][eh][ci][ck]
AW[cc][ec][ee][ef][cg][dg]

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

;
)
