The generator matrix

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

generates a code of length 36 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+110x^30+84x^31+357x^32+296x^33+549x^34+348x^35+604x^36+464x^37+511x^38+268x^39+274x^40+72x^41+91x^42+4x^43+40x^44+19x^46+4x^48

The gray image is a code over GF(2) with n=144, k=12 and d=60.
This code was found by Heurico 1.16 in 0.339 seconds.