The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+112x^40+60x^41+310x^42+280x^43+588x^44+680x^45+672x^46+1016x^47+821x^48+1024x^49+648x^50+712x^51+521x^52+280x^53+252x^54+40x^55+102x^56+4x^57+34x^58+26x^60+4x^62+4x^64+1x^68

The gray image is a code over GF(2) with n=192, k=13 and d=80.
This code was found by Heurico 1.16 in 2.07 seconds.