(;GM[1]FF[4]SZ[19]
GN[Fourth center group]
PC[http://senseis.xmp.net/?SmallestGroupWithTwoEyes]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SmallestGroupWithTwoEyes

Fourth center group]
PL[B]

AB[ih][jh][kh][hi][ii][ki][hj][jj][ik][jk]
AW[hg][ig][jg][kg][lg][gh][hh][lh][gi][li][gj][kj][lj][gk][hk][kk][hl][il][jl][kl]


;
)
