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

Problem 1]
PL[B]

AB[cc][dc][cd][gd]
AW[ec][dd][ce][de]

;B[fc]C[B1]MN[1]
;W[ed]C[W2]MN[2]
;B[eb]C[B3]MN[3]
;W[db]C[W4]MN[4]
;B[fb]C[B5]MN[5]
;W[cb]C[W6]MN[6]
;B[bb]C[B7]MN[7]
;W[bc]C[W8]MN[8]
;B[bd]C[B9]MN[9]

;
)
