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

Moves 1 to 10]
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][bk][ek][hk][ok][rk][sk][el][fl][pl][pm][rm][bn][en][nn][co][eo][ho][io][lo][ap][ep][gp][jp][kp][np][sp][aq][hq][oq][sq][hr][pr][rr][bs][ds][gs]
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][oi][qi][lj][mj][qj][rj][ik][jk][kk][gl][hl][am][bm][cm][dm][em][fm][mm][nm][om][fn][gn][hn][in][jn][on][pn][qn][qp][cq][dq][jq][kq][mq][qq][br][er][fr][ir][jr][nr][is]

;W[do]C[W1]MN[1]
;B[dp]C[B2]MN[2]
;W[cp]C[W3]MN[3]
;B[dn]C[B4]MN[4]
;W[bo]C[W5]MN[5]
;B[bp]C[B6]MN[6]
;W[cn]C[W7]MN[7]
;B[ao]C[B8]MN[8]
;W[ar]C[W9]MN[9]
;B[fs]C[B10]MN[10]

;
)
