(;GM[1]FF[4]SZ[19]
GN[Ko left behind]
PC[http://senseis.xmp.net/?GokyoSeimyoVolume3Problem5/Attempts]AP[GoWiki:2009]
DT[2009-07-29]
C[Diagram from http://senseis.xmp.net/?GokyoSeimyoVolume3Problem5/Attempts

Ko left behind]
PL[W]

AB[jb][kb][mb][pb][qb][rb][jc][lc][mc][nc][oc][qc][rd][sd]
AW[pa][lb][ob][kc][pc][kd][ld][md][nd][od][pd][qd][re][se][qf]
LB[na:a]

;W[sb]C[W1]MN[1]
;B[nb]C[B2]MN[2]
;W[rc]C[W3]MN[3]

;LB[na:a]
)
