The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+48x^38+138x^39+282x^40+436x^41+934x^42+1378x^43+1928x^44+2552x^45+3131x^46+3576x^47+3784x^48+3820x^49+3117x^50+2648x^51+1924x^52+1268x^53+895x^54+430x^55+246x^56+112x^57+57x^58+22x^59+20x^60+4x^61+5x^62+7x^64+3x^66+1x^70+1x^74

The gray image is a code over GF(2) with n=192, k=15 and d=76.
This code was found by Heurico 1.16 in 23.6 seconds.