(;GM[1]FF[4]SZ[19]
GN[Square nine]
PC[http://senseis.xmp.net/?posting=9202]AP[GoWiki:2009]
DT[2012-01-03]
C[Diagram from http://senseis.xmp.net/?posting=9202

Square nine]
PL[B]

AB[hh][ih][jh][kh][lh][hi][ii][li][hj][lj][hk][lk][hl][il][jl][kl][ll]
AW[gg][hg][ig][jg][kg][lg][mg][gh][mh][gi][ji][mi][gj][ij][kj][mj][gk][jk][kk][mk][gl][ml][gm][hm][im][jm][km][lm][mm]


;
)
