(;GM[1]FF[4]SZ[19]
GN[extend & sacrifice]
PC[http://senseis.xmp.net/?BQM328]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM328

extend & sacrifice]
PL[B]

AB[cc][dd][de]
AW[bc][dc][cd][gd]
CR[gd]
LB[ca:e][db:c][ac:d][be:n][ee:l][cf:m][df:k][cg:o]

;B[cb]C[B1]MN[1]
;W[ec]C[W2]MN[2]
;B[bd]C[B3]MN[3]
;W[ce]C[W4]MN[4]
;B[bb]C[B5]MN[5]

;CR[gd]
LB[ca:e][db:c][ac:d][be:n][ee:l][cf:m][df:k][cg:o]
)
