(;GM[1]FF[4]SZ[19]
GN[The spiral-3 opening. The corresponding spiral-n openings for n=1,2,4,5,6,7,8,9 are marked as alphabets.]
PC[http://senseis.xmp.net/?Rsun]AP[GoWiki:2009]
DT[2010-11-07]
C[Diagram from http://senseis.xmp.net/?Rsun

The spiral-3 opening. The corresponding spiral-n openings for n=1,2,4,5,6,7,8,9 are marked as alphabets.]
PL[B]

AB[dc][qd][cp][pq]
LB[ba:a][cb:b][sb:a][rc:b][ed:d][fe:e][pe:d][gf:f][of:e][hg:g][ng:f][ih:h][mh:g][ji:i][li:h][ij:i][kj:i][hk:h][jk:i][gl:g][kl:h][fm:f][lm:g][en:e][mn:f][do:d][no:e][op:d][bq:b][ar:a][qr:b][rs:a]


;LB[ba:a][cb:b][sb:a][rc:b][ed:d][fe:e][pe:d][gf:f][of:e][hg:g][ng:f][ih:h][mh:g][ji:i][li:h][ij:i][kj:i][hk:h][jk:i][gl:g][kl:h][fm:f][lm:g][en:e][mn:f][do:d][no:e][op:d][bq:b][ar:a][qr:b][rs:a]
)
