(;GM[1]FF[4]SZ[19]
GN[Outflank white?]
PC[http://senseis.xmp.net/?BeginnerExercise13/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise13/Solution

Outflank white?]
PL[B]

AB[ab][bb][cb][db][eb]
AW[ea][bc][cc][dc][ec][fc][gc][ic][be]

;B[fa]C[B1]MN[1]
;W[ba]C[W2]MN[2]
;B[da]C[B3]MN[3]
;W[fb]C[W4]MN[4]

;
)
