(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem63/Solution]AP[GoWiki:2009]
DT[2023-01-22]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem63/Solution

Ko]
PL[B]

AB[gb][qb][gc][kc][oc][pc][rc][hd][nd][ie][je][ke][le]
AW[hb][ob][ic][mc][nc][jd][kd]

;B[jb]C[B1]MN[1]
;W[ib]C[W2]MN[2]
;B[ld]C[B3]MN[3]
;W[lc]C[W4]MN[4]
;B[jc]C[B5]MN[5]
;W[id]C[W6]MN[6]
;B[ka]C[B7]MN[7]
;W[ja]C[W8]MN[8]
;B[ia]C[B9]MN[9]
;W[ha]C[W10]MN[10]

;
)
