The generator matrix

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

generates a code of length 24 over Z8 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+310x^18+696x^19+1784x^20+2452x^21+3758x^22+4336x^23+5428x^24+4956x^25+4370x^26+2296x^27+1432x^28+524x^29+266x^30+96x^31+59x^32+4x^33

The gray image is a code over GF(2) with n=96, k=15 and d=36.
This code was found by Heurico 1.11 in 3.94 seconds.