(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem69/Solution]AP[GoWiki:2009]
DT[2023-01-11]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem69/Solution

Solution]
PL[B]

AB[la][ma][na][oa][pa][hb][nb][ob][pb][sb][ic][kc][rc][kd][qd][rd][le][ne][oe][qf]
AW[ka][qa][jb][lb][mb][rb][mc][nc][oc][qc]

;B[kb]C[B1]MN[1]
;W[ja]C[W2]MN[2]
;B[pc]C[B3]MN[3]
;W[pd]C[W4]MN[4]
;B[qb]C[B5]MN[5]

;
)
