The generator matrix

 1  1  1  1  1  1  1  1  2  2  2  1  2  2  2  2  1  0  2  2  1  1  1
 0  2  0  0  0  2  6  2  0  0  2  4  4  6  6  2  2  2  6  2  4  0  2
 0  0  2  0  2  2  6  0  0  2  2  2  2  2  0  0  2  2  0  0  6  4  0
 0  0  0  2  2  0  6  2  2  2  0  6  0  2  0  2  4  2  0  6  4  2  2
 0  0  0  0  4  0  0  0  0  0  0  4  0  4  4  4  0  4  0  0  0  4  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  0  4  4  0  0  4  0  4
 0  0  0  0  0  0  4  0  0  0  0  0  4  0  0  4  4  4  4  0  4  4  0
 0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  0  4  0  4  4  0  0  4
 0  0  0  0  0  0  0  0  4  0  4  4  4  4  0  4  4  4  0  0  4  0  0
 0  0  0  0  0  0  0  0  0  4  0  0  0  0  4  4  0  0  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+90x^14+124x^15+312x^16+468x^17+876x^18+1640x^19+2222x^20+3640x^21+4686x^22+4640x^23+4676x^24+3616x^25+2248x^26+1688x^27+908x^28+456x^29+278x^30+100x^31+67x^32+12x^33+12x^34+6x^36+2x^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 8.25 seconds.