The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+86x^12+244x^13+108x^14+520x^15+119x^16+560x^17+128x^18+184x^19+50x^20+28x^21+20x^22

The gray image is a code over GF(2) with n=64, k=11 and d=24.
This code was found by Heurico 1.11 in 1.99 seconds.