(;GM[1]FF[4]SZ[19]
GN[If the cut at 'a'...]
PC[http://senseis.xmp.net/?BlackSheepRengo2003]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BlackSheepRengo2003

If the cut at 'a'...]
PL[B]

AB[bc][cc][dc][bd][ed][ji][ki][jj][il][pq]
AW[ec][fc][cd][dd][be][df][li][kj][lj][kl]
LB[ef:f][dg:b][eh:d][ci:e][di:c]

;B[ce]C[B1]MN[1]
;W[de]C[W2]MN[2]
;B[cf]C[B3]MN[3]
;W[cg]C[W4]MN[4]
;B[bf]C[B5]MN[5]
;W[bg]C[W6]MN[6]
;B[ae]C[B7]MN[7]

;LB[ef:f][dg:b][eh:d][ci:e][di:c]
)
