Extension: [5,5,1] to [15,5,4] 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 Maximal number for proportional coordinates in the output codes:Till dimension 1--15; Till dimension 2--15; Till dimension 3--15; Till dimension 4--15; Till dimension 5--15; The minimum distance of the dual codes is: 2 ======================== Start matrix 1 16 E 1110000000100001 0000000000010002 0000000000001003 0000000000000104 0000000000000015 ?5 15 4 _5 1 111000000010000 123333300001000 123123300000100 123003033300010 000000012300001 AUT: 62208 $1z^{0}+9z^{4}+171z^{8}+843z^{12} dd-3$\\ ?5 15 4 _5 2 111000000010000 123333300001000 123123300000100 000000033300010 000000012300001 AUT: 622080 $1z^{0}+21z^{4}+147z^{8}+855z^{12} dd-2$\\ DIFFERENT ENUMERATORS :2 ALL CODES: 2 1 1 AUT: 62208 $1z^{0}+9z^{4}+171z^{8}+843z^{12} dd-3$\\ 2 1 AUT: 622080 $1z^{0}+21z^{4}+147z^{8}+855z^{12} dd-2$\\