The generator matrix

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

generates a code of length 18 over Z8 who´s minimum homogenous weight is 13.

Homogenous weight enumerator: w(x)=1x^0+84x^13+359x^14+598x^15+943x^16+1306x^17+1457x^18+1508x^19+1028x^20+496x^21+289x^22+102x^23+12x^24+2x^25+7x^26

The gray image is a code over GF(2) with n=72, k=13 and d=26.
This code was found by Heurico 1.11 in 0.192 seconds.