The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 31.

Homogenous weight enumerator: w(x)=1x^0+134x^31+421x^32+514x^33+806x^34+866x^35+967x^36+914x^37+977x^38+762x^39+769x^40+462x^41+333x^42+150x^43+65x^44+30x^45+11x^46+8x^47+1x^48+1x^50

The gray image is a code over GF(2) with n=148, k=13 and d=62.
This code was found by Heurico 1.16 in 1.01 seconds.