The generator matrix

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

generates a code of length 46 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+38x^38+102x^39+145x^40+168x^41+230x^42+312x^43+407x^44+454x^45+483x^46+500x^47+354x^48+222x^49+203x^50+172x^51+95x^52+82x^53+54x^54+30x^55+20x^56+2x^57+15x^58+4x^59+2x^60+1x^70

The gray image is a code over GF(2) with n=184, k=12 and d=76.
This code was found by Heurico 1.16 in 0.648 seconds.