The generator matrix

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

generates a code of length 39 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+51x^30+132x^31+401x^32+778x^33+1240x^34+1722x^35+2559x^36+3346x^37+3796x^38+4322x^39+4134x^40+3498x^41+2646x^42+1842x^43+1117x^44+542x^45+347x^46+170x^47+71x^48+28x^49+14x^50+4x^51+4x^52+2x^54+1x^56

The gray image is a code over GF(2) with n=156, k=15 and d=60.
This code was found by Heurico 1.16 in 18 seconds.