The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+86x^28+182x^29+470x^30+792x^31+1495x^32+2328x^33+3571x^34+5186x^35+6767x^36+7838x^37+7964x^38+7936x^39+6711x^40+5270x^41+3819x^42+2272x^43+1343x^44+812x^45+401x^46+128x^47+109x^48+18x^49+30x^50+6x^51+1x^70

The gray image is a code over GF(2) with n=152, k=16 and d=56.
This code was found by Heurico 1.16 in 64 seconds.