(;GM[1]FF[4]SZ[19]
GN[Ladder Exercise 13]
PC[http://senseis.xmp.net/?LadderExercise13/Attempts]AP[GoWiki:2009]
DT[2014-06-19]
C[Diagram from http://senseis.xmp.net/?LadderExercise13/Attempts

Ladder Exercise 13]
PL[B]

AB[qb][nc][pc][rc][od][rd][me][qe][nf][of]
AW[kb][qc][md][nd][pd][qd][ne][pe]
CR[od][pd][pe][qe]
LB[oe:a][pf:b]


;CR[od][pd][pe][qe]
LB[oe:a][pf:b]
)
