The generator matrix

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

generates a code of length 27 over Z8 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+234x^18+723x^20+1410x^22+64x^23+2900x^24+1792x^25+6916x^26+4480x^27+7091x^28+1792x^29+3060x^30+64x^31+1363x^32+626x^34+201x^36+42x^38+8x^40+1x^44

The gray image is a code over GF(2) with n=108, k=15 and d=36.
This code was found by Heurico 1.16 in 15.8 seconds.