(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?BeginnerExercise191/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise191/Solution

Solution]
PL[B]

AB[ap][bp][cp][dp][dq][br][dr][cs][ds]
AW[ao][bo][co][do][eo][ep][aq][bq][eq][cr][er][es]

;W[ar]C[W2]MN[2]
;B[cq]C[B3]MN[3]

;
)
