The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 19.

Homogenous weight enumerator: w(x)=1x^0+364x^19+237x^20+672x^21+304x^22+1004x^23+249x^24+704x^25+200x^26+292x^27+23x^28+32x^29+8x^30+4x^31+2x^32

The gray image is a code over GF(2) with n=92, k=12 and d=38.
This code was found by Heurico 1.16 in 84.5 seconds.