The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+118x^15+497x^16+1206x^17+2811x^18+4444x^19+7991x^20+9456x^21+12143x^22+9820x^23+8154x^24+4432x^25+2755x^26+1100x^27+412x^28+136x^29+49x^30+6x^31+2x^33+2x^34+1x^36

The gray image is a code over GF(2) with n=88, k=16 and d=30.
This code was found by Heurico 1.16 in 26.1 seconds.