The generator matrix

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

generates a code of length 16 over Z8 who´s minimum homogenous weight is 11.

Homogenous weight enumerator: w(x)=1x^0+52x^11+178x^12+308x^13+469x^14+664x^15+743x^16+664x^17+504x^18+308x^19+134x^20+52x^21+18x^22+1x^30

The gray image is a code over GF(2) with n=64, k=12 and d=22.
This code was found by Heurico 1.16 in 0.0883 seconds.