The generator matrix

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

generates a code of length 46 over Z8 who´s minimum homogenous weight is 39.

Homogenous weight enumerator: w(x)=1x^0+30x^39+141x^40+170x^41+344x^42+256x^43+516x^44+346x^45+579x^46+308x^47+534x^48+214x^49+318x^50+160x^51+74x^52+30x^53+28x^54+14x^55+11x^56+8x^57+10x^58+2x^60+1x^62+1x^64

The gray image is a code over GF(2) with n=184, k=12 and d=78.
This code was found by Heurico 1.16 in 0.496 seconds.