(;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][if][lf][nf][qf][ig][mg][ng][og][ah][ch][eh][ih][ph][qh][rh][sh][ai][ci][ei][ii][mi][ni][pi][aj][cj][ej][gj][pj][rj][gk][ik][jk][lk][pk][rk][bl][il][nl][pl][sl][jm][nm][pm][an][cn][en][hn][jn][kn][mn][nn][pn][qn][rn][sn][do][fo][ho][so][ap][lp][op][qp][sp][lq][sq][cr][dr][mr][or][rr][sr][gs][is][js][ms][ns][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][ee][he][ne][oe][re][se][hf][of][pf][rf][bg][dg][fg][kg][pg][qg][rg][sg][hh][kh][oh][bi][di][hi][ki][oi][qi][ri][si][hj][kj][oj][qj][sj][ak][hk][ok][qk][hl][jl][ol][ql][em][fm][hm][im][om][qm][rm][sm][in][on][ao][bo][co][io][mo][no][oo][po][qo][ro][ep][mp][rp][bq][gq][kq][nq][oq][pq][rq][er][hr][kr][nr][pr][qr][hs][ls]

;B[os]C[B61]MN[61]
;W[lo]C[W62]MN[62]
;B[kp]C[B63]MN[63]
;W[ko]C[W64]MN[64]
;B[jp]C[B65]MN[65]
;W[jo]C[W66]MN[66]
;B[jq]C[B67]MN[67]
;W[jr]C[W68]MN[68]
;B[iq]C[B69]MN[69]
;W[ir]C[W70]MN[70]

;
)
