The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+22x^28+156x^29+335x^30+540x^31+605x^32+854x^33+1118x^34+1036x^35+1033x^36+870x^37+682x^38+436x^39+215x^40+162x^41+70x^42+36x^43+9x^44+6x^45+3x^46+3x^48

The gray image is a code over GF(2) with n=140, k=13 and d=56.
This code was found by Heurico 1.16 in 0.984 seconds.