The generator matrix

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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 31.

Homogenous weight enumerator: w(x)=1x^0+108x^31+334x^32+814x^33+1041x^34+1454x^35+1484x^36+1974x^37+1928x^38+2056x^39+1613x^40+1452x^41+929x^42+630x^43+298x^44+184x^45+38x^46+24x^47+14x^48+6x^49+2x^53

The gray image is a code over GF(2) with n=152, k=14 and d=62.
This code was found by Heurico 1.16 in 4.38 seconds.