(;GM[1]FF[4]SZ[19]
GN[Seki]
PC[http://senseis.xmp.net/?BeginnerExercise30/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise30/Solution

Seki]
PL[W]

AB[da][fa][cb][db][eb][fb][bc][ad][bd][be][af][bf]
AW[ga][bb][gb][cc][dc][ec][fc][gc][cd][ce][cf][ag][bg][cg]
LB[ab:a][ac:b]

;W[aa]C[W1]MN[1]
;B[ca]C[B2]MN[2]

;LB[ab:a][ac:b]
)
