(;GM[1]FF[4]SZ[19]
GN[Vital point var]
PC[https://senseis.xmp.net/?LGroupOnThe4thLine]AP[GoWiki:2009]
DT[2023-01-30]
C[Diagram from https://senseis.xmp.net/?LGroupOnThe4thLine

Vital point var]
PL[W]

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

;W[bc]C[W1]MN[1]
;B[bd]C[B2]MN[2]
;W[ba]C[W3]MN[3]
;B[da]C[B4]MN[4]
;W[be]C[W5]MN[5]
;B[ad]C[B6]MN[6]
;W[ab]C[W7]MN[7]

;
)
