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

A single secondary liberty]
PL[W]

AB[cb][eb][fb][hb][jb][kb][mb][cc][dc][gc][hc][ic][lc][mc]
AW[ga][ha][ia][db][gb][ib][lb][ec][fc][jc][kc][ee][fe][he][je][ke]
CR[db]
SQ[lb]
LB[fa:a][ja:b]

;W[hd]C[W1]MN[1]

;CR[db]
SQ[lb]
LB[fa:a][ja:b]
)
