The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+203x^12+160x^13+1186x^14+1548x^15+5098x^16+6944x^17+11822x^18+11404x^19+12110x^20+6848x^21+5182x^22+1636x^23+1044x^24+128x^25+178x^26+4x^27+39x^28+1x^32

The gray image is a code over GF(2) with n=76, k=16 and d=24.
This code was found by Heurico 1.16 in 46.8 seconds.