The generator matrix

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

generates a code of length 35 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+94x^28+20x^29+138x^30+140x^31+444x^32+372x^33+626x^34+492x^35+630x^36+348x^37+350x^38+132x^39+200x^40+28x^41+38x^42+4x^43+28x^44+11x^48

The gray image is a code over GF(2) with n=140, k=12 and d=56.
This code was found by Heurico 1.16 in 0.321 seconds.