The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+88x^30+390x^31+715x^32+1760x^33+2254x^34+3906x^35+4817x^36+6686x^37+7392x^38+9010x^39+7561x^40+7254x^41+5023x^42+3938x^43+2103x^44+1370x^45+579x^46+416x^47+159x^48+82x^49+23x^50+4x^51+4x^52+1x^54

The gray image is a code over GF(2) with n=156, k=16 and d=60.
This code was found by Heurico 1.16 in 62.3 seconds.