(;GM[1]FF[4]SZ[19]
GN[Vital point]
PC[http://senseis.xmp.net/?LGroupOnThe4thLine]AP[GoWiki:2009]
DT[2013-11-17]
C[Diagram from http://senseis.xmp.net/?LGroupOnThe4thLine

Vital point]
PL[W]

AB[db][dc][cd][dd]
AW[eb][gb][ec][ed][ce][de][ee][cg]
LB[bf:a]

;W[bc]C[W1]MN[1]
;B[bd]C[B2]MN[2]
;W[ba]C[W3]MN[3]
;B[bb]C[B4]MN[4]
;W[cb]C[W5]MN[5]
;B[ab]C[B6]MN[6]
;W[da]C[W7]MN[7]
;B[cc]C[B8]MN[8]
;W[ca]C[W9]MN[9]
;B[be]C[B10]MN[10]

;LB[bf:a]
)
