(;GM[1]FF[4]SZ[19]
GN[Analysis]
PC[http://senseis.xmp.net/?BeginnerExercise12/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise12/Solution

Analysis]
PL[B]

AB[aq][bq][cq][dq][eq][fq][gr][hr][fs]
AW[ar][br][cr][dr][er][fr][gs]

;B[hs]C[B1]MN[1]
;W[es]C[W2]MN[2]

;
)
