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

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

Homogenous weight enumerator: w(x)=1x^0+68x^39+132x^40+184x^41+255x^42+274x^43+410x^44+556x^45+769x^46+988x^47+979x^48+940x^49+812x^50+578x^51+390x^52+296x^53+162x^54+110x^55+128x^56+68x^57+45x^58+28x^59+8x^60+4x^61+4x^62+2x^63+1x^78

The gray image is a code over GF(2) with n=192, k=13 and d=78.
This code was found by Heurico 1.16 in 8.04 seconds.