The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+58x^18+230x^19+360x^20+504x^21+635x^22+604x^23+551x^24+484x^25+376x^26+206x^27+62x^28+16x^29+3x^30+2x^32+4x^33

The gray image is a code over GF(2) with n=92, k=12 and d=36.
This code was found by an older version of Heurico in 0 seconds.