The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+273x^40+568x^41+1086x^42+1388x^43+2242x^44+2400x^45+3200x^46+3328x^47+3754x^48+3280x^49+3414x^50+2536x^51+2176x^52+1344x^53+882x^54+416x^55+297x^56+88x^57+52x^58+12x^59+22x^60+6x^62+3x^64

The gray image is a code over GF(2) with n=192, k=15 and d=80.
This code was found by Heurico 1.16 in 27.8 seconds.