(;GM[1]FF[4]SZ[19]
GN[sacrifice]
PC[https://senseis.xmp.net/?GokyoShumyoSection6Problem31/Solution]AP[GoWiki:2009]
DT[2023-01-24]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection6Problem31/Solution

sacrifice]
PL[W]

AB[cb][hb][ib][kb][ec][kc][dd][fd][de][ge][ie][ke][ef][ff]
AW[bb][gb][jb][bc][gc][ic][cd][gd][ce][ee][df][dg]

;W[dc]C[W1]MN[1]
;B[fc]C[B2]MN[2]
;W[ed]C[W3]MN[3]
;B[fe]C[B4]MN[4]
;W[eb]C[W5]MN[5]
;B[fb]C[B6]MN[6]
;W[fa]C[W7]MN[7]
;B[db]C[B8]MN[8]
;W[ea]C[W9]MN[9]
;B[hc]C[B10]MN[10]

;
)
