(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?BeginnerExercise191/Solution]AP[GoWiki:2009]
DT[2024-09-15]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise191/Solution

Solution]
PL[B]

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

;B[br]C[B1]MN[1]

;LB[bs:a]
)
