The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+192x^12+12x^13+758x^14+392x^15+2722x^16+2932x^17+6472x^18+5616x^19+6708x^20+2932x^21+2740x^22+392x^23+716x^24+12x^25+136x^26+28x^28+6x^30+1x^32

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 5.72 seconds.