(;GM[1]FF[4]SZ[19]
GN[the continuation- White sacrifices the cutting stone for some gain in the corner in sente.]
PC[http://senseis.xmp.net/?Degiri]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Degiri

the continuation- White sacrifices the cutting stone for some gain in the corner in sente.]
PL[B]

AB[cm][bn][co][cp]
AW[bm][cn][dn][do][eq]

;B[bl]C[B1]MN[1]
;W[dm]C[W2]MN[2]
;B[cl]C[B3]MN[3]
;W[bo]C[W4]MN[4]
;B[am]C[B5]MN[5]
;W[cq]C[W6]MN[6]
;B[bp]C[B7]MN[7]

;
)
