The generator matrix

 1  1  1  1  1  1  1  1  1  1  2  2  2  2  1  2  1  1  2  1  4  4  1  1
 0  2  0  0  0  0  0  0  6  0  0  6  6  4  6  2  2  2  4  2  2  2  2  4
 0  0  2  0  0  0  0  0  2  2  6  6  4  2  4  6  0  4  6  4  2  4  0  0
 0  0  0  2  0  0  0  2  2  0  2  6  4  6  2  4  0  2  0  2  2  6  2  0
 0  0  0  0  2  0  2  2  2  2  0  4  6  6  6  6  6  0  4  0  6  0  6  0
 0  0  0  0  0  2  2  0  2  4  2  4  2  4  6  2  4  4  6  6  4  0  4  2
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  4  0  4  4  0  4  0
 0  0  0  0  0  0  0  4  0  4  4  4  4  0  0  0  0  4  4  0  4  4  0  4

generates a code of length 24 over Z8 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+64x^15+163x^16+316x^17+511x^18+726x^19+1509x^20+2244x^21+3527x^22+4776x^23+4904x^24+4932x^25+3640x^26+2236x^27+1488x^28+764x^29+480x^30+248x^31+124x^32+64x^33+33x^34+14x^35+3x^36+1x^38

The gray image is a code over GF(2) with n=96, k=15 and d=30.
This code was found by Heurico 1.16 in 11.3 seconds.