The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 39.

Homogenous weight enumerator: w(x)=1x^0+108x^39+305x^40+558x^41+907x^42+1386x^43+1998x^44+2536x^45+3065x^46+3616x^47+3743x^48+3596x^49+3253x^50+2564x^51+2004x^52+1368x^53+774x^54+500x^55+255x^56+134x^57+63x^58+18x^59+14x^60+1x^62+1x^82

The gray image is a code over GF(2) with n=192, k=15 and d=78.
This code was found by Heurico 1.16 in 28.4 seconds.