(;GM[1]FF[4]SZ[19]
GN[Wave front boundaries]
PC[http://senseis.xmp.net/?Move31Game2]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Move31Game2

Wave front boundaries]
PL[B]

AB[ma][na][oa][pa][lb][nb][pb][gc][kc][nc][pc][nd][pd][qd][ce][je][ke][pe][re][mf][qf][cp][mp][dq][hq][pq][or][qr]
AW[mb][ob][qb][rb][dc][mc][oc][qc][sc][ed][md][od][rd][le][me][ne][oe][kf][pf][pg][ci][qi][cl][pl][po][qp][eq][qq]
CR[ea][ra][eb][ac][bc][cc][ec][dd][fd][ld][sd][ee][fe][ef][ff][of][eg][fg][jg][kg][og][ah][bh][ch][dh][eh][fh][ih][jh][kh][oh][ph][qh][rh][sh][fi][gi][hi][ii][ki][ni][oi][hj][ij][jj][kj][lj][mj][nj][gk][hk][jk][fl][gl][jl][kl][ll][ml][nl][am][bm][cm][dm][em][fm][nm][om][en][fn][on][eo][fo][oo][qo][ep][fp][fq][rq][sq][er][fr][es][fs]
SQ[fa][la][fb][kb][fc][ad][bd][cd][gd][kd][de][ge][ie][qe][se][af][bf][cf][df][gf][hf][if][mf][rf][gg][hg][mg][rg][sg][mh][il][hm][im][jm][km][lm][mm][gn][hn][mn][ao][bo][co][do][go][mo][dp][gp][np][gq][nq][oq][dr][gr][pr][rr][sr][ds][gs]


;CR[ea][ra][eb][ac][bc][cc][ec][dd][fd][ld][sd][ee][fe][ef][ff][of][eg][fg][jg][kg][og][ah][bh][ch][dh][eh][fh][ih][jh][kh][oh][ph][qh][rh][sh][fi][gi][hi][ii][ki][ni][oi][hj][ij][jj][kj][lj][mj][nj][gk][hk][jk][fl][gl][jl][kl][ll][ml][nl][am][bm][cm][dm][em][fm][nm][om][en][fn][on][eo][fo][oo][qo][ep][fp][fq][rq][sq][er][fr][es][fs]
SQ[fa][la][fb][kb][fc][ad][bd][cd][gd][kd][de][ge][ie][qe][se][af][bf][cf][df][gf][hf][if][mf][rf][gg][hg][mg][rg][sg][mh][il][hm][im][jm][km][lm][mm][gn][hn][mn][ao][bo][co][do][go][mo][dp][gp][np][gq][nq][oq][dr][gr][pr][rr][sr][ds][gs]
)
