(;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][dd][fd][gd][hd][ld][pd][sd][je][me][pe][qe][af][if][lf][nf][qf][ig][mg][og][ah][ch][eh][ih][ph][qh][rh][sh][ai][ci][ei][ii][mi][ni][aj][cj][ej][gj][rj][gk][ik][jk][lk][rk][bl][il][nl][sl][jm][nm][an][cn][en][hn][jn][kn][mn][nn][do][fo][ho][so][ap][op][qp][lq][cr][dr][mr][or][rr][sr][gs][is][js][ms][ps]
AW[ga][la][ab][gb][hb][ib][kb][lb][qb][rb][ic][jc][kc][mc][oc][rc][md][nd][od][qd][ce][ee][he][ne][oe][re][se][hf][of][pf][rf][bg][dg][fg][kg][pg][qg][rg][sg][hh][kh][bi][di][hi][ki][qi][si][hj][kj][oj][ak][hk][ok][hl][jl][ql][em][fm][hm][im][rm][in][on][ao][bo][co][io][mo][no][oo][po][ep][mp][bq][gq][kq][nq][oq][pq][er][hr][kr][hs][ls]
TR[sd]

;B[rd]C[B21]MN[21]
;W[sc]C[W22]MN[22]
;B[qc]C[B25]MN[25]
;W[oh]C[W26]MN[26]
;B[ng]C[B27]MN[27]
;W[ri]C[W28]MN[28]
;B[pi]C[B29]MN[29]
;W[oi]C[W30]MN[30]

;TR[sd]
)
