(;GM[1]FF[4]SZ[19]
GN[Alternative solution 1/3]
PC[http://senseis.xmp.net/?LadderExercise13/Attempts]AP[GoWiki:2009]
DT[2018-03-06]
C[Diagram from http://senseis.xmp.net/?LadderExercise13/Attempts

Alternative solution 1/3]
PL[B]

AB[qb][nc][pc][rc][rd][me][nf][of]
AW[kb][qc][md][nd][qd][ne]

;B[qe]C[B1]MN[1]
;W[pd]C[W2]MN[2]
;B[od]C[B3]MN[3]
;W[pe]C[W4]MN[4]
;B[oe]C[B5]MN[5]
;W[pf]C[W6]MN[6]
;B[pg]C[B7]MN[7]
;W[qf]C[W8]MN[8]
;B[qg]C[B9]MN[9]
;W[rf]C[W10]MN[10]

;
)
