The generator matrix

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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+64x^29+303x^30+894x^31+1213x^32+2596x^33+3061x^34+5648x^35+6016x^36+9088x^37+7524x^38+9316x^39+5952x^40+5888x^41+3176x^42+2544x^43+1094x^44+656x^45+261x^46+158x^47+56x^48+12x^49+11x^50+2x^52+2x^56

The gray image is a code over GF(2) with n=152, k=16 and d=58.
This code was found by Heurico 1.16 in 60.1 seconds.