The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+72x^34+214x^36+130x^37+457x^38+554x^39+887x^40+1206x^41+1810x^42+2852x^43+3771x^44+4990x^45+5806x^46+6462x^47+6760x^48+6826x^49+5814x^50+5180x^51+3663x^52+2738x^53+1921x^54+1210x^55+883x^56+462x^57+418x^58+112x^59+181x^60+30x^61+80x^62+14x^63+21x^64+2x^65+6x^66+3x^68

The gray image is a code over GF(2) with n=192, k=16 and d=68.
This code was found by Heurico 1.16 in 98.3 seconds.