The generator matrix

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

generates a code of length 39 over Z8 who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+48x^29+131x^30+252x^31+645x^32+592x^33+1419x^34+1542x^35+3157x^36+2262x^37+4889x^38+2780x^39+4805x^40+2524x^41+3286x^42+1360x^43+1506x^44+664x^45+474x^46+200x^47+116x^48+52x^49+31x^50+10x^51+9x^52+2x^53+9x^54+1x^56+1x^62

The gray image is a code over GF(2) with n=156, k=15 and d=58.
This code was found by Heurico 1.16 in 88.1 seconds.