The generator matrix

 1  0  0  1  1  1  6  1  1  4  2  0  1  1  4  1
 0  1  0  1  6  7  1  2  2  1  1  0  5  4  1  0
 0  0  1  1  3  2  3  1  2  2  1  1  3  1  7  4
 0  0  0  4  0  0  0  4  4  0  4  4  4  0  0  4
 0  0  0  0  4  0  0  4  0  4  4  0  4  4  0  4

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

Homogenous weight enumerator: w(x)=1x^0+52x^12+192x^13+207x^14+384x^15+380x^16+408x^17+202x^18+144x^19+46x^20+24x^21+7x^22+1x^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 0.0206 seconds.