(;GM[1]FF[4]SZ[19]
GN[Solution.]
PC[http://senseis.xmp.net/?BeginnerExercise55/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise55/Solution

Solution.]
PL[B]

AB[oa][qa][ob][pb][qb][qc][rc]
AW[ra][nb][rb][nc][oc][pc][sc][qd][rd][sd]
LB[na:a]

;B[sb]C[B7]MN[7]

;LB[na:a]
)
