Extension:
[6,6,1] to [20,6,8]
Number of the matrices for extension:1
{self-orthogonal  no}
Number of ones  to add in the first row in the generator matrix of the codes: 7

Weights:
8 12 16 20 
Maximal number for proportional coordinates in the output codes:Till dimension 1--20;
Till dimension 2--20;
Till dimension 3--20;
Till dimension 4--20;
Till dimension 5--20;
Till dimension 6--20;

 The minimum distance of the dual codes is:
2
========================

Start matrix
1 21 E
111111100000001000001
000000000000000100002
000000000000000010003
000000000000000001004
000000000000000000105
000000000000000000016
?6 20 4  _6 1
11111110000000100000
11223303333300010000
10232311233300001000
33120210033333000100
31102230033312000010
03033030012300000001
AUT: 69120 $1z^{0}+30z^{8}+1020z^{12}+2985z^{16}+60z^{20}  dd-3$\\
?6 20 4  _6 2
11111110000000100000
12333333333000010000
31233331223000001000
23133330100333000100
12333330300123000010
12312300300000000001
AUT: 8640 $1z^{0}+90z^{8}+840z^{12}+3165z^{16}  dd-3$\\

DIFFERENT ENUMERATORS :2   ALL CODES: 2

    1 1 AUT: 69120 $1z^{0}+30z^{8}+1020z^{12}+2985z^{16}+60z^{20}  dd-3$\\
    2 1 AUT: 8640 $1z^{0}+90z^{8}+840z^{12}+3165z^{16}  dd-3$\\