The generator matrix

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

generates a code of length 19 over Z8 who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+230x^12+816x^14+512x^15+2579x^16+3072x^17+6514x^18+5120x^19+6758x^20+3072x^21+2610x^22+512x^23+764x^24+166x^26+36x^28+6x^30

The gray image is a code over GF(2) with n=76, k=15 and d=24.
This code was found by Heurico 1.16 in 5.02 seconds.