(;GM[1]FF[4]SZ[19]
GN[Moves 171 to 180]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem154/Solution]AP[GoWiki:2009]
DT[2022-09-27]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem154/Solution

Moves 171 to 180]
PL[W]

AB[ia][ja][ka][la][ma][oa][ib][jb][kb][lb][nb][ob][qb][rb][jc][cd][dd][ed][gd][hd][id][jd][od][pd][qd][ae][be][ce][de][ee][fe][ge][he][ne][af][bf][cf][ef][ff][gf][lf][nf][of][pf][ag][lg][mg][ng][og][pg][qg][ah][bh][fh][gh][hh][jh][lh][nh][oh][ph][ai][bi][ci][fi][gi][hi][ii][ji][ki][li][ni][oi][pi][bj][cj][dj][fj][gj][hj][jj][kj][nj][oj][pj][bk][ck][dk][ek][fk][hk][ok][rk][sk][dl][el][fl][ol][pl][ql][rl][sl][pm][rm][sm][bn][dn][en][mn][nn][rn][sn][ao][bo][co][do][eo][fo][ho][io][ko][lo][mo][no][so][ap][bp][dp][ep][fp][gp][hp][ip][jp][kp][mp][np][op][sp][aq][fq][hq][iq][oq][pq][sq][cr][hr][pr][rr][sr][bs][ds][fs][gs][hs][ps][qs][rs][ss]
AW[bb][hb][mb][cc][dc][ec][fc][gc][hc][ic][kc][lc][mc][nc][ad][bd][fd][kd][nd][rd][ie][je][le][me][oe][pe][qe][df][hf][kf][mf][qf][rf][bg][cg][dg][eg][fg][gg][hg][ig][jg][kg][rg][ch][eh][ih][kh][mh][qh][di][ei][mi][qi][aj][ej][ij][lj][mj][qj][rj][sj][ak][gk][ik][jk][kk][nk][pk][qk][al][bl][cl][gl][hl][nl][am][bm][cm][dm][em][fm][mm][nm][om][qm][an][cn][fn][gn][hn][in][jn][kn][ln][on][pn][qn][go][jo][oo][ro][cp][lp][pp][qp][rp][bq][cq][dq][eq][gq][jq][kq][lq][mq][nq][qq][rq][ar][br][er][fr][gr][ir][jr][nr][or][qr][es][is][os]

;W[ha]C[W1]MN[1]
;B[na]C[B2]MN[2]
;W[rc]C[W3]MN[3]
;B[sb]C[B4]MN[4]
;W[ra]C[W5]MN[5]
;B[qa]C[B6]MN[6]
;W[pb]C[W7]MN[7]
;B[pc]C[B8]MN[8]
;W[oc]C[W9]MN[9]
;B[pa]C[B10]MN[10]

;
)
