The generator matrix

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

generates a code of length 45 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+52x^38+68x^39+254x^40+198x^41+440x^42+356x^43+588x^44+344x^45+465x^46+304x^47+499x^48+192x^49+172x^50+36x^51+50x^52+32x^53+18x^54+4x^55+14x^56+2x^57+4x^58+2x^60+1x^62

The gray image is a code over GF(2) with n=180, k=12 and d=76.
This code was found by Heurico 1.16 in 0.497 seconds.