The generator matrix

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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+139x^28+20x^29+258x^30+228x^31+958x^32+960x^33+1724x^34+2688x^35+3200x^36+4360x^37+3700x^38+4200x^39+3383x^40+2656x^41+1768x^42+1056x^43+881x^44+196x^45+218x^46+20x^47+121x^48+12x^50+19x^52+1x^56+1x^68

The gray image is a code over GF(2) with n=152, k=15 and d=56.
This code was found by Heurico 1.16 in 19.3 seconds.