The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+242x^40+526x^41+1184x^42+1448x^43+2200x^44+2350x^45+3142x^46+3438x^47+3743x^48+3300x^49+3422x^50+2410x^51+2154x^52+1298x^53+994x^54+498x^55+262x^56+74x^57+58x^58+8x^59+6x^60+4x^61+4x^63+2x^67

The gray image is a code over GF(2) with n=192, k=15 and d=80.
This code was found by Heurico 1.11 in 10.1 seconds.