The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  2  1  2  1  1  1  1  1  1  2  2  2  1  1  2  2  1  1
 0  4  0  0  0  0  0  0  0  0  0  4  0  0  4  4  0  0  0  0  4  4  4  4  0  4  4  0  0  4  4  4  4  4  0  0  0  4  4  0  4  0  0  0  4  4  0  0
 0  0  4  0  0  0  0  0  0  0  0  4  4  4  4  4  0  0  0  4  4  0  0  0  0  0  0  4  4  4  0  0  0  4  4  4  4  4  4  0  0  0  0  0  4  4  0  4
 0  0  0  4  0  0  0  0  0  0  4  0  4  4  0  4  4  0  4  0  4  4  4  4  0  4  0  4  4  0  0  0  0  4  0  0  0  4  4  4  0  0  0  4  0  0  4  0
 0  0  0  0  4  0  0  0  0  0  4  0  0  4  4  4  4  4  0  4  0  0  0  0  0  4  4  4  0  4  0  4  4  4  0  0  0  4  0  0  0  0  4  4  0  0  4  4
 0  0  0  0  0  4  0  0  0  4  0  0  0  4  4  0  4  0  4  4  4  0  0  4  0  4  4  0  4  4  4  4  0  4  0  4  4  0  0  0  0  0  4  4  4  4  0  0
 0  0  0  0  0  0  4  0  0  4  0  0  4  0  0  4  4  4  0  4  4  0  4  4  0  0  4  0  0  0  4  0  4  4  4  0  0  4  0  4  0  4  4  4  4  4  4  4
 0  0  0  0  0  0  0  4  0  4  4  4  4  0  0  0  0  0  4  4  4  4  4  0  4  4  0  0  4  4  4  4  4  0  0  0  4  0  0  0  0  0  0  0  4  0  4  0
 0  0  0  0  0  0  0  0  4  4  4  4  0  0  4  4  4  0  0  0  4  0  0  0  4  0  4  4  0  0  0  4  0  4  0  4  4  0  0  4  0  4  0  0  0  4  4  4

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

Homogenous weight enumerator: w(x)=1x^0+125x^40+16x^42+147x^44+112x^46+1272x^48+112x^50+131x^52+16x^54+83x^56+25x^60+6x^64+1x^68+1x^80

The gray image is a code over GF(2) with n=192, k=11 and d=80.
This code was found by Heurico 1.16 in 6.15 seconds.