The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+60x^12+138x^13+308x^14+270x^15+549x^16+212x^17+296x^18+140x^19+60x^20+2x^21+4x^22+6x^23+2x^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 0.0219 seconds.