The generator matrix

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

generates a code of length 33 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+161x^28+296x^29+426x^30+392x^31+655x^32+412x^33+486x^34+456x^35+378x^36+184x^37+144x^38+48x^39+32x^40+4x^41+14x^42+5x^44+2x^46

The gray image is a code over GF(2) with n=132, k=12 and d=56.
This code was found by Heurico 1.16 in 0.307 seconds.