The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+60x^16+284x^17+631x^18+1444x^19+2363x^20+3974x^21+4581x^22+5936x^23+4716x^24+4130x^25+2353x^26+1364x^27+560x^28+250x^29+83x^30+24x^31+11x^32+2x^33+1x^36

The gray image is a code over GF(2) with n=92, k=15 and d=32.
This code was found by Heurico 1.16 in 7.02 seconds.