The generator matrix

 1  0  0  1  1  1  6  1  1  0  1  1  4  0  1  2  0  1  6  1  1  1  6  2  1  1  4  2  1  1  1  2  1  0  1  6  6  4
 0  1  0  1  6  3  1  0  1  1  4  1  2  1  2  1  1  5  0  2  3  6  1  2  0  7  1  2  5  4  5  1  2  1  4  1  1  1
 0  0  1  1  3  6  3  6  3  6  1  2  1  3  1  2  5  0  1  2  3  0  0  1  3  1  2  1  0  1  0  7  1  4  2  4  3  2
 0  0  0  4  0  0  0  0  0  0  0  0  4  4  0  4  0  4  4  4  4  4  4  0  0  0  0  4  4  0  4  0  0  4  4  4  4  4
 0  0  0  0  4  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  0  4  4  4  0  0  4  4  0
 0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  0  0  4  4  4  4  4  0  0  0  4  4  0  0  4  0  0  4  4  0  4  4  0
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  0  4  0  4  4  0  4  0  4  0  0  0  4  0  4  0  4  4  4  4  4  0  4
 0  0  0  0  0  0  0  4  0  0  4  4  0  0  4  4  0  0  0  4  4  0  4  4  0  4  4  0  0  0  0  0  4  0  4  4  4  4
 0  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  0  4  0  0  4  0  0  0  4  4  0  0  4  4  0  0  0  4  4  4  0  0
 0  0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  0  0  4  0  4  0  4  4  4  4  4  0  4  0  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+144x^28+56x^29+334x^30+516x^31+1506x^32+2068x^33+3510x^34+5248x^35+6700x^36+8496x^37+8180x^38+8488x^39+7024x^40+5256x^41+3540x^42+2080x^43+1360x^44+504x^45+286x^46+52x^47+140x^48+4x^49+22x^50+20x^52+1x^64

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 59 seconds.