(;GM[1]FF[4]SZ[19]
GN[Sacrifice one]
PC[https://senseis.xmp.net/?BQM104]AP[GoWiki:2009]
DT[2019-02-17]
C[Diagram from https://senseis.xmp.net/?BQM104

Sacrifice one]
PL[W]

AB[ec][fc][cd][dd]
AW[cc][dc]

;W[bd]C[W1]MN[1]
;B[be]C[B2]MN[2]
;W[eb]C[W3]MN[3]
;B[fb]C[B4]MN[4]
;W[da]C[W5]MN[5]
;B[bc]C[B6]MN[6]
;W[bb]C[W7]MN[7]
;B[ad]C[B8]MN[8]
;W[ab]C[W9]MN[9]

;
)
