(;GM[1]FF[4]SZ[19]
GN[How to find the vital point (but white lives: W4 at BC)]
PC[http://senseis.xmp.net/?VitalPointMethodSimplifyingTheOutside]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?VitalPointMethodSimplifyingTheOutside

How to find the vital point (but white lives: W4 at BC)]
PL[B]

AB[fa][gb][hb][jb][ac][bc][cc][dc][ec][fc][gd]
AW[ga][ab][bb][cb][db][eb][fb]
CR[fa]

;B[ea]C[B1]MN[1]
;W[da]C[W2]MN[2]
;B[ba]C[B3]MN[3]

;CR[fa]
)
