The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+50x^15+182x^16+278x^17+357x^18+680x^19+1115x^20+1646x^21+2456x^22+2850x^23+2362x^24+1706x^25+1222x^26+702x^27+348x^28+202x^29+120x^30+68x^31+23x^32+8x^33+5x^34+2x^35+1x^36

The gray image is a code over GF(2) with n=92, k=14 and d=30.
This code was found by Heurico 1.16 in 3.09 seconds.