The generator matrix

 1  0  1  1  1  6  1  1  4  1  1  1  6  2  1  2
 0  1  1  6  3  1  4  3  1  2  5  0  1  1  1  2
 0  0  2  0  6  0  2  4  6  2  0  0  4  6  6  2
 0  0  0  4  0  0  0  4  0  4  0  4  4  0  0  4
 0  0  0  0  4  0  0  0  4  4  4  4  0  0  4  0
 0  0  0  0  0  4  4  0  0  4  0  0  4  4  4  0

generates a code of length 16 over Z8 who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+98x^12+96x^13+316x^14+288x^15+475x^16+288x^17+280x^18+96x^19+94x^20+12x^22+4x^24

The gray image is a code over GF(2) with n=64, k=11 and d=24.
This code was found by Heurico 1.16 in 0.0339 seconds.