(;GM[1]FF[4]SZ[19]
GN[After Black 1...]
PC[http://senseis.xmp.net/?L2Group]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?L2Group

After Black 1...]
PL[B]

AW[ec][cd]

;B[bd]C[B1]MN[1]
;W[ce]C[W2]MN[2]
;B[be]C[B3]MN[3]
;W[bf]C[W4]MN[4]
;B[cc]C[B5]MN[5]
;W[dc]C[W6]MN[6]
;B[cb]C[B7]MN[7]
;W[cg]C[W8]MN[8]

;
)
