The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+140x^31+297x^32+842x^33+938x^34+1488x^35+1493x^36+2144x^37+1779x^38+2122x^39+1481x^40+1604x^41+831x^42+670x^43+271x^44+176x^45+65x^46+26x^47+9x^48+2x^49+3x^50+2x^51

The gray image is a code over GF(2) with n=152, k=14 and d=62.
This code was found by Heurico 1.11 in 2.08 seconds.