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

Seki]
PL[W]

AB[ba][fa][ab][fb][ec][fc][ad][bd][cd][dd][ed]
AW[ca][ea][cb][eb][ac][bc][cc][dc]
CR[ba][ab]

;W[bb]C[W1]MN[1]
;B[db]C[B2]MN[2]
;W[aa]C[W3]MN[3]
;B[da]C[B4]MN[4]

;CR[ba][ab]
)
