The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+464x^11+844x^12+2288x^13+3336x^14+6432x^15+5925x^16+6464x^17+3504x^18+2416x^19+652x^20+336x^21+72x^22+32x^23+2x^24

The gray image is a code over GF(2) with n=64, k=15 and d=22.
This code was found by Heurico 1.11 in 24.2 seconds.