The generator matrix

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

generates a code of length 34 over Z8 who´s minimum homogenous weight is 25.

Homogenous weight enumerator: w(x)=1x^0+84x^25+451x^26+1148x^27+2428x^28+3988x^29+7198x^30+9802x^31+14266x^32+16830x^33+18595x^34+16446x^35+14751x^36+10106x^37+7209x^38+3910x^39+2217x^40+974x^41+398x^42+182x^43+65x^44+18x^45+5x^46

The gray image is a code over GF(2) with n=136, k=17 and d=50.
This code was found by Heurico 1.11 in 89 seconds.