(;GM[1]FF[4]SZ[16]
GN[Fourth center group]
PC[http://senseis.xmp.net/?ShiftingPatterns]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ShiftingPatterns

Fourth center group]
PL[B]

AB[na][oa][nb][pb][oc][pc][ag][bg][cg][hg][ig][jg][og][pg][ah][ch][gh][hh][jh][nh][oh][bi][gi][ii][ni][pi][aj][bj][hj][ij][oj][pj][an][bn][cn][hn][in][jn][on][pn][ao][co][go][ho][jo][no][oo][bp][gp][ip][np][pp]
AW[ma][mb][mc][nc][nd][od][pd][af][bf][cf][df][gf][hf][if][jf][kf][nf][of][pf][dg][fg][gg][kg][mg][ng][dh][fh][kh][mh][ci][di][fi][ji][ki][mi][cj][fj][gj][jj][mj][nj][ak][bk][ck][gk][hk][ik][jk][nk][ok][pk][am][bm][cm][dm][gm][hm][im][jm][km][nm][om][pm][dn][fn][gn][kn][mn][nn][do][fo][ko][mo][cp][dp][fp][jp][kp][mp]


;
)
