(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?KyuExercise103/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise103/Solution

Solution]
PL[B]

AB[cb][db][eb][dc][fc][bd][cd][ce][bf][cf][dg][eg][ch][gh][ei]
AW[bb][bc][cc][ec][dd][ae][de][fe][df][ff][bg][cg][bh][ci]
LB[ac:a]

;B[ad]C[B1]MN[1]
;W[af]C[W2]MN[2]
;B[ab]C[B3]MN[3]

;LB[ac:a]
)
