The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+84x^39+275x^40+630x^41+1048x^42+1522x^43+1975x^44+2578x^45+3019x^46+3342x^47+3608x^48+3450x^49+3344x^50+2652x^51+1909x^52+1446x^53+868x^54+500x^55+244x^56+144x^57+68x^58+26x^59+20x^60+8x^61+5x^62+2x^63

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 22.4 seconds.