The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+90x^38+242x^39+671x^40+1206x^41+1878x^42+2834x^43+3863x^44+4950x^45+6187x^46+6960x^47+7302x^48+7314x^49+6326x^50+5266x^51+3967x^52+2694x^53+1716x^54+956x^55+586x^56+264x^57+144x^58+60x^59+26x^60+20x^61+11x^62+2x^63

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 86 seconds.