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

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

Homogenous weight enumerator: w(x)=1x^0+63x^38+272x^40+16x^41+463x^42+80x^43+700x^44+304x^45+1020x^46+624x^47+1173x^48+624x^49+968x^50+304x^51+709x^52+80x^53+471x^54+16x^55+178x^56+71x^58+30x^60+14x^62+8x^64+2x^66+1x^68

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 3.01 seconds.