The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+66x^38+198x^39+624x^40+1056x^41+2010x^42+2550x^43+4002x^44+4732x^45+6628x^46+6774x^47+8052x^48+6844x^49+6745x^50+4870x^51+4232x^52+2522x^53+1786x^54+924x^55+468x^56+202x^57+164x^58+44x^59+22x^60+2x^61+8x^62+7x^64+2x^65+1x^66

The gray image is a code over GF(2) with n=192, k=16 and d=76.
This code was found by Heurico 1.16 in 82.8 seconds.