(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem183/Solution]AP[GoWiki:2009]
DT[2010-06-15]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem183/Solution

]
PL[B]

AB[ia][ja][ma][na][oa][pa][qa][ra][bb][eb][mb][ob][pb][sb][bc][dc][ec][lc][nc][pc][qc][dd][fd][gd][hd][ld][pd][rd][je][me][pe][qe][af][bf][cf][df][ef][ff][gf][if][lf][nf][qf][gg][ig][mg][ng][og][ah][ch][eh][gh][ih][ph][qh][rh][sh][ai][ci][ei][gi][ii][mi][ni][pi][aj][cj][ej][gj][pj][rj][gk][ik][jk][lk][pk][rk][al][bl][cl][dl][el][fl][gl][il][nl][pl][sl][am][jm][nm][pm][an][bn][cn][dn][en][gn][hn][jn][kn][mn][nn][pn][qn][rn][sn][do][eo][fo][go][ho][so][ap][gp][hp][ip][jp][kp][lp][op][qp][sp][iq][jq][lq][mq][sq][cr][dr][mr][or][rr][sr][gs][is][js][ms][ns][os][ps][qs][rs][ss]
AW[ga][la][ab][gb][hb][ib][kb][lb][qb][rb][ic][jc][kc][mc][oc][rc][sc][md][nd][od][sd][ce][de][ee][fe][ge][he][ne][oe][re][se][hf][of][pf][rf][ag][bg][cg][dg][eg][fg][hg][kg][pg][qg][rg][sg][fh][hh][kh][oh][bi][di][fi][hi][ki][oi][qi][ri][si][fj][hj][kj][oj][qj][sj][ak][bk][ck][dk][ek][fk][hk][ok][qk][hl][jl][ol][ql][bm][cm][dm][em][fm][gm][hm][im][om][qm][rm][sm][fn][in][on][ao][bo][co][io][jo][ko][lo][mo][no][oo][po][qo][ro][dp][ep][fp][mp][rp][bq][gq][hq][kq][nq][oq][pq][rq][er][hr][ir][jr][kr][lr][nr][pr][qr][hs][ls]
TR[ab]

;B[ad]C[B121]MN[121]
;W[bd]C[W122]MN[122]
;B[ae]C[B123]MN[123]
;W[ac]C[W124]MN[124]
;B[aa]C[B125]MN[125]
;W[be]C[W128]MN[128]
;W[id]C[W130]MN[130]

;TR[ab]
)
