The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+39x^28+92x^29+172x^30+234x^31+357x^32+410x^33+474x^34+586x^35+462x^36+442x^37+338x^38+174x^39+144x^40+78x^41+30x^42+30x^43+19x^44+2x^45+10x^46+2x^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 0.312 seconds.