(;GM[1]FF[4]SZ[19]
GN[Seki]
PC[http://senseis.xmp.net/?SomeEndgameProblem3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SomeEndgameProblem3/Solution

Seki]
PL[B]

AB[da][bb][eb][fb][bc][cc][dc][fc][bd][fd][de][ee][fe][ff]
AW[ba][fa][ga][gb][ec][gc][cd][dd][ed][gd][be][ce][ge][df][ef][gf][bg][cg][fg][gg]
CR[eb][fb][fc][fd][de][ee][fe][ff]

;B[db]C[B1]MN[1]
;W[ca]C[W2]MN[2]
;B[ad]C[B3]MN[3]
;W[ab]C[W4]MN[4]

;CR[eb][fb][fc][fd][de][ee][fe][ff]
)
