(;GM[1]FF[4]SZ[19]
GN[Vital point knowledge]
PC[http://senseis.xmp.net/?ReadingWidth]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ReadingWidth

Vital point knowledge]
PL[W]

AB[da][db][ac][bc][cc][dc]
AW[ea][eb][ec][ad][bd][cd][dd][ed]
LB[aa:a][ca:b]

;W[ba]C[W1]MN[1]
;B[bb]C[B2]MN[2]

;LB[aa:a][ca:b]
)
