The generator matrix

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

generates a code of length 35 over Z8 who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+71x^26+52x^27+392x^28+552x^29+1065x^30+1584x^31+2486x^32+3776x^33+4202x^34+4408x^35+4125x^36+3856x^37+2546x^38+1584x^39+1090x^40+512x^41+283x^42+52x^43+90x^44+8x^45+21x^46+7x^48+4x^50+1x^52

The gray image is a code over GF(2) with n=140, k=15 and d=52.
This code was found by Heurico 1.16 in 13.9 seconds.