(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem56/Solution]AP[GoWiki:2009]
DT[2023-01-21]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem56/Solution

Ko]
PL[B]

AB[cb][db][ec][cd][dd][ed][fd][gd][hd]
AW[bb][fb][kb][dc][fc][gc][ic][bd][id][ce][ie][cf][ef][gf]

;B[bc]C[B1]MN[1]
;W[ac]C[W2]MN[2]
;B[ab]C[B3]MN[3]
;W[aa]C[W4]MN[4]
;B[cc]C[B5]MN[5]
;W[be]C[W6]MN[6]
;B[hc]C[B7]MN[7]
;W[hb]C[W8]MN[8]
;B[gb]C[B9]MN[9]
;W[ga]C[W10]MN[10]

;
)
