Extension:
[5,5,1] to [18,5,4]
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: 3

Weights:
4 8 12 16 
Maximal number for proportional coordinates in the output codes:Till dimension 1--18;
Till dimension 2--18;
Till dimension 3--18;
Till dimension 4--18;
Till dimension 5--18;

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

Start matrix
1 19 E
1110000000000100001
0000000000000010002
0000000000000001003
0000000000000000104
0000000000000000015
?5 18 4  _5 1
111000000000010000
123333333330001000
123112233303000100
123221133300300010
000000012300000001
AUT: 103680 $1z^{0}+6z^{4}+24z^{8}+570z^{12}+423z^{16}  dd-2$\\
?5 18 4  _5 2
111000000000010000
123333333330001000
123123333330000100
231002223333300010
000000001230000001
AUT: 62208 $1z^{0}+9z^{4}+27z^{8}+555z^{12}+432z^{16}  dd-2$\\
?5 18 4  _5 3
111000000000010000
123333300000001000
123123300000000100
123003033300000010
000000000033300001
AUT: 10368 $1z^{0}+9z^{4}+99z^{8}+411z^{12}+504z^{16}  dd-2$\\
?5 18 4  _5 4
111000000000010000
123333300000001000
123123300000000100
123003033300000010
123003000033300001
AUT: 3456 $1z^{0}+6z^{4}+108z^{8}+402z^{12}+507z^{16}  dd-2$\\
?5 18 4  _5 5
111000000000010000
123333300000001000
123123300000000100
000000033300000010
000000000033300001
AUT: 124416 $1z^{0}+12z^{4}+102z^{8}+396z^{12}+513z^{16}  dd-2$\\
?5 18 4  _5 6
111000000000010000
123333300000001000
123300033300000100
000000000033300010
000000000012300001
AUT: 51840 $1z^{0}+18z^{4}+72z^{8}+438z^{12}+495z^{16}  dd-2$\\
?5 18 4  _5 7
111000000000010000
123333300000001000
000000033300000100
000000012300000010
000000000033300001
AUT: 155520 $1z^{0}+21z^{4}+111z^{8}+351z^{12}+540z^{16}  dd-2$\\
?5 18 4  _5 8
111000000000010000
000333333300001000
123000000000000100
000000000033300010
000000000012300001
AUT: 1555200 $1z^{0}+30z^{4}+228z^{8}+90z^{12}+675z^{16}  dd-2$\\

DIFFERENT ENUMERATORS :8   ALL CODES: 8

    1 1 AUT: 103680 $1z^{0}+6z^{4}+24z^{8}+570z^{12}+423z^{16}  dd-2$\\
    2 1 AUT: 62208 $1z^{0}+9z^{4}+27z^{8}+555z^{12}+432z^{16}  dd-2$\\
    3 1 AUT: 10368 $1z^{0}+9z^{4}+99z^{8}+411z^{12}+504z^{16}  dd-2$\\
    4 1 AUT: 3456 $1z^{0}+6z^{4}+108z^{8}+402z^{12}+507z^{16}  dd-2$\\
    5 1 AUT: 124416 $1z^{0}+12z^{4}+102z^{8}+396z^{12}+513z^{16}  dd-2$\\
    6 1 AUT: 51840 $1z^{0}+18z^{4}+72z^{8}+438z^{12}+495z^{16}  dd-2$\\
    7 1 AUT: 155520 $1z^{0}+21z^{4}+111z^{8}+351z^{12}+540z^{16}  dd-2$\\
    8 1 AUT: 1555200 $1z^{0}+30z^{4}+228z^{8}+90z^{12}+675z^{16}  dd-2$\\