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

Variation]
PL[B]

AB[ma][lb][lc][oc][rc][ld][nd][pd][qd][rd][me]
AW[la][ib][kb][rb][mc][pc][qc][sc][kd][sd][le][ne][pe][re][kf][nf][pf][lg]

;B[ra]C[B5]MN[5]
;W[qa]C[W6]MN[6]
;B[kc]C[B7]MN[7]
;W[jc]C[W8]MN[8]
;B[ka]C[B9]MN[9]
;W[jb]C[W10]MN[10]
;B[pb]C[B11]MN[11]
;W[qb]C[W12]MN[12]
;B[oa]C[B13]MN[13]
;W[nb]C[W14]MN[14]

;
)
