(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?BeginnerExercise272/Solution]AP[GoWiki:2009]
DT[2022-11-12]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise272/Solution

Solution]
PL[B]

AB[da][ab][cb][fb][hb][bc][fc][bd][dd][fd][be][fe][bf][cf][df][ef][ff]
AW[ba][ea][bb][eb][cc][ec][cd][ed][ce][de][ee]
LB[ac:a]

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

;LB[ac:a]
)
