(;GM[1]FF[4]SZ[19]
GN[A nasty ko]
PC[http://senseis.xmp.net/?34PointHighApproachInsideContact/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?34PointHighApproachInsideContact/Discussion

A nasty ko]
PL[B]

AB[dc][ec][pc][cd][qe][cf]
AW[fc][kc][nc][ed][gd]
CR[nc]

;B[hc]C[B1]MN[1]
;W[gb]C[W2]MN[2]
;B[jc]C[B3]MN[3]
;W[jd]C[W4]MN[4]
;B[id]C[B5]MN[5]
;W[jb]C[W6]MN[6]
;B[ib]C[B7]MN[7]

;CR[nc]
)
