(;GM[1]FF[4]SZ[19]
GN[Live by ko]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem16/Solution]AP[GoWiki:2009]
DT[2023-01-30]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem16/Solution

Live by ko]
PL[B]

AB[ma][lb][lc][oc][rc][ld][nd][qd][me]
AW[la][ib][kb][rb][mc][pc][sc][kd][le][ne][pe][re][kf][nf][pf][lg]
LB[kc:a]

;B[pd]C[B1]MN[1]
;W[qc]C[W2]MN[2]
;B[rd]C[B3]MN[3]
;W[sd]C[W4]MN[4]
;B[ra]C[B5]MN[5]
;W[sb]C[W6]MN[6]
;B[qb]C[B7]MN[7]
;W[pb]C[W8]MN[8]
;B[pa]C[B9]MN[9]

;LB[kc:a]
)
