(;GM[1]FF[4]SZ[19]
GN[Black first (i)]
PC[http://senseis.xmp.net/?QuadrupleKoSeki]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?QuadrupleKoSeki

Black first (i)]
PL[B]

AB[ba][fa][ab][bb][cb][fb][bc][ec][fc][ad][dd][fd][ee][fe][af][ef][ag][bg][dg][eg][bh][ch][dh][ai][bi]
AW[ca][ea][ga][db][eb][gb][cc][dc][gc][bd][cd][gd][ae][be][ce][de][ge][bf][df][ff][gf][cg][fg][eh][fh][ci][di][ei][ii][aj][bj][cj]

;B[da]C[B1]MN[1]
;W[ac]C[W2]MN[2]
;B[cf]C[B3]MN[3]
;W[ed]C[W4]MN[4]

;
)
