(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem35/Solution]AP[GoWiki:2009]
DT[2023-01-31]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem35/Solution

Black to play]
PL[B]

AB[qb][hc][ic][jc][mc][qc][kd][od][pd][me][ne][oe][qe][og][ph][qi][ri]
AW[oa][qa][jb][ob][pb][kc][lc][nc][oc][nd][qd][re][qg][rh]
LB[ia:b][ka:a]

;B[mb]C[B1]MN[1]
;W[md]C[W2]MN[2]
;B[ld]C[B3]MN[3]
;W[lb]C[W4]MN[4]
;B[ma]C[B5]MN[5]
;W[nb]C[W6]MN[6]
;B[ib]C[B7]MN[7]
;W[la]C[W8]MN[8]
;B[ja]C[B9]MN[9]
;W[rd]C[W10]MN[10]

;LB[ia:b][ka:a]
)
