(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem17]AP[GoWiki:2009]
DT[2023-01-30]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem17

Black to play]
PL[B]

AB[ob][pb][jc][lc][mc][nc][me]
AW[ib][qb][hc][oc][pc][id][jd][ld][qd][ne][jf][mf]

;B[kd]C[B1]MN[1]
;W[le]C[W2]MN[2]
;B[jb]C[B3]MN[3]
;W[pa]C[W4]MN[4]
;B[na]C[B5]MN[5]
;W[qa]C[W6]MN[6]
;B[ja]C[B7]MN[7]
;W[kc]C[W8]MN[8]
;B[kb]C[B9]MN[9]
;W[la]C[W10]MN[10]

;
)
