The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+120x^14+112x^15+375x^16+438x^17+880x^18+1394x^19+2334x^20+3606x^21+4407x^22+5202x^23+4588x^24+3746x^25+2330x^26+1382x^27+910x^28+386x^29+304x^30+102x^31+108x^32+16x^33+22x^34+4x^36+1x^38

The gray image is a code over GF(2) with n=92, k=15 and d=28.
This code was found by Heurico 1.16 in 9.64 seconds.