(;GM[1]FF[4]SZ[19]
GN[Exercise 11a]
PC[http://senseis.xmp.net/?LadderExercise11]AP[GoWiki:2009]
DT[2010-08-14]
C[Diagram from http://senseis.xmp.net/?LadderExercise11

Exercise 11a]
PL[B]

AB[fc][fd][cg][ch]
AW[fb][ec][gc][gd][ce][cf]


;
)
