The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+177x^16+16x^17+542x^18+432x^19+1614x^20+1472x^21+2740x^22+2272x^23+2863x^24+1552x^25+1600x^26+368x^27+560x^28+32x^29+108x^30+30x^32+2x^34+2x^36+1x^40

The gray image is a code over GF(2) with n=92, k=14 and d=32.
This code was found by Heurico 1.16 in 2.23 seconds.