The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  0  2  1  2  1  1  2  4  0  2  1  1  4  0  2  2  1  2
 0  2  0  2  0  0  2  6  0  4  2  0  6  4  6  6  4  0  6  2  6  4  2  0  6  6  2  0  6  0  6  2  4  6  0  2  0
 0  0  2  2  0  6  2  0  0  2  2  4  4  6  2  0  2  2  0  0  0  6  2  2  4  4  2  2  0  6  0  2  2  4  6  2  0
 0  0  0  4  0  0  0  0  0  0  0  0  0  0  4  0  4  4  0  4  4  4  0  0  4  4  4  0  4  4  0  4  0  0  4  4  4
 0  0  0  0  4  0  0  0  0  0  0  4  0  0  0  4  4  4  4  0  0  4  4  4  4  4  0  0  4  4  0  0  0  4  0  4  4
 0  0  0  0  0  4  0  0  0  4  0  0  0  0  0  4  4  0  0  4  4  4  4  4  0  0  0  0  4  4  4  4  4  0  0  0  0
 0  0  0  0  0  0  4  0  0  0  4  0  0  0  0  4  4  4  4  4  4  0  0  4  4  0  4  0  0  4  4  4  4  4  4  4  0
 0  0  0  0  0  0  0  4  0  4  4  4  4  0  0  4  0  4  0  4  0  0  4  4  0  0  4  4  4  4  4  4  0  0  4  4  0
 0  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  0  0  0  4  4  0  4  0  0  4  0  0  4  0  0  4  4  4  0  0

generates a code of length 37 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+123x^28+254x^30+16x^31+651x^32+160x^33+790x^34+496x^35+1224x^36+704x^37+1192x^38+496x^39+1037x^40+160x^41+504x^42+16x^43+247x^44+74x^46+38x^48+2x^50+6x^52+1x^56

The gray image is a code over GF(2) with n=148, k=13 and d=56.
This code was found by Heurico 1.16 in 1.96 seconds.