(;GM[1]FF[4]SZ[19]
GN[Sacrifice for thickness]
PC[http://senseis.xmp.net/?BQM350]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM350

Sacrifice for thickness]
PL[B]

AB[ic][dd][od][de][fe][he][df][ff][dg][ch][ci][cl][po]
AW[cc][ec][gc][cd][hd][ce][cf][cg][fg][hg][dh][eh][cq]
CR[ic]
LB[cn:a]

;B[id]C[B1]MN[1]
;W[ie]C[W2]MN[2]
;B[if]C[B3]MN[3]
;W[ge]C[W4]MN[4]
;B[je]C[B5]MN[5]
;W[gf]C[W6]MN[6]
;B[co]C[B7]MN[7]
;W[ep]C[W8]MN[8]
;B[qd]C[B9]MN[9]

;CR[ic]
LB[cn:a]
)
