The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+98x^30+80x^31+424x^32+248x^33+490x^34+436x^35+609x^36+432x^37+456x^38+280x^39+337x^40+56x^41+90x^42+4x^43+31x^44+18x^46+6x^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 0.365 seconds.