The generator matrix

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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+145x^32+144x^33+188x^34+336x^35+507x^36+544x^37+412x^38+544x^39+494x^40+336x^41+148x^42+144x^43+106x^44+20x^46+22x^48+3x^52+2x^56

The gray image is a code over GF(2) with n=152, k=12 and d=64.
This code was found by Heurico 1.16 in 0.611 seconds.