The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+252x^28+4x^29+740x^30+188x^31+1807x^32+1188x^33+4340x^34+3748x^35+7936x^36+7100x^37+10558x^38+7244x^39+8282x^40+3788x^41+4452x^42+1100x^43+1704x^44+208x^45+572x^46+8x^47+228x^48+72x^50+12x^52+2x^54+2x^56

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 79.2 seconds.