The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+24x^38+4x^39+104x^40+84x^41+184x^42+384x^43+270x^44+992x^45+309x^46+1608x^47+307x^48+1608x^49+313x^50+992x^51+234x^52+384x^53+158x^54+84x^55+79x^56+4x^57+30x^58+22x^60+5x^62+4x^64+1x^66+2x^68+1x^72

The gray image is a code over GF(2) with n=192, k=13 and d=76.
This code was found by Heurico 1.16 in 2.03 seconds.