(;GM[1]FF[4]SZ[19]
GN[Solution (6 at 3).]
PC[http://senseis.xmp.net/?BeginnerExercise231/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise231/Solution

Solution (6 at 3).]
PL[B]

AB[ab][bb][cb][db][bc][dc][ec][fc][gc][bd][gd][be][fe][ge][ff][dg][eg][fg][gg]
AW[ba][ca][da][eb][fb][gb][ac][cc][hc][ad][cd][dd][hd][ae][ee][he][af][bf][cf][ef][gf][hf][cg][hg][ch][dh][eh][fh][gh]
LB[de:a][df:b]

;B[ed]C[B1]MN[1]
;W[ce]C[W2]MN[2]
;B[ea]C[B3]MN[3]
;W[fa]C[W4]MN[4]
;B[aa]C[B5]MN[5]
;W[ea]C[W6]MN[6]
;B[hb]C[B7]MN[7]

;LB[de:a][df:b]
)
