(;GM[1]FF[4]SZ[19]
GN[Moves 71 to 80 (10 at 5)]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem154/Solution]AP[GoWiki:2009]
DT[2022-09-27]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem154/Solution

Moves 71 to 80 (10 at 5)]
PL[W]

AB[ma][kb][lb][nb][ob][qb][rb][jc][dd][id][od][pd][qd][ae][de][fe][he][ne][bf][ff][lf][pf][qg][ah][bh][fh][hh][jh][nh][ph][ci][fi][ii][ni][pi][cj][fj][jj][kj][nj][bk][ek][hk][ok][rk][sk][el][fl][ol][pl][ql][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][mb][cc][ec][fc][hc][kc][lc][mc][nc][rd][je][le][me][oe][qe][rf][cg][eg][fg][gg][hg][ig][jg][kg][rg][ch][qh][bi][di][ei][qi][lj][mj][qj][rj][ik][jk][kk][pk][gl][hl][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[nk]C[W1]MN[1]
;B[pj]C[B2]MN[2]
;W[qk]C[W3]MN[3]
;B[oh]C[B4]MN[4]
;W[oj]C[W5]MN[5]
;B[oi]C[B6]MN[6]
;W[nl]C[W7]MN[7]
;B[rl]C[B8]MN[8]
;W[sj]C[W9]MN[9]
;B[oj]C[B10]MN[10]

;
)
