The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  4  1  1  1  1  1  1  4  1  2  0  1  1  1  2
 0  2  0  0  0  2  6  2  4  0  4  0  2  6  6  6  4  0  0  2  6  6  0  6  2  4  4  2  4  2  2  0  4  0
 0  0  2  0  2  2  2  4  6  0  0  2  2  6  4  0  4  4  2  6  0  6  4  0  6  6  2  0  2  2  0  4  4  0
 0  0  0  2  2  4  6  2  0  0  2  2  0  6  2  4  6  4  0  4  2  4  6  0  0  0  6  2  4  6  6  0  4  6
 0  0  0  0  4  4  4  0  4  4  4  0  0  0  4  4  4  4  4  0  4  0  0  4  0  0  0  4  0  4  0  4  0  0

generates a code of length 34 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+164x^30+56x^31+41x^32+208x^33+156x^34+192x^35+8x^36+48x^37+92x^38+8x^39+13x^40+36x^42+1x^56

The gray image is a code over GF(2) with n=136, k=10 and d=60.
This code was found by Heurico 1.16 in 14.7 seconds.