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  0  4  4  1  1  1  2  0  1  1  2  1  2  1  2  1  2  2  0  1  1  1
 0  2  0  0  0  0  0  0  0  0  2  6  2  4  6  6  4  2  6  0  2  6  6  4  0  4  2  2  4  6  0  6  6  2  6  6  4  2  0  2  4  4  4  6  2  6  4  4
 0  0  2  0  0  0  2  6  2  4  2  2  4  2  6  0  6  2  0  6  2  0  0  6  4  2  2  0  2  2  4  2  6  4  6  4  0  2  2  4  4  2  4  0  2  0  0  0
 0  0  0  2  0  2  2  2  4  6  0  4  0  2  2  2  4  6  6  0  2  0  2  6  4  4  2  4  0  4  0  0  2  4  2  6  6  0  2  0  6  0  2  0  2  6  2  2
 0  0  0  0  2  2  4  6  2  0  0  6  2  2  4  2  0  2  4  6  6  0  4  0  0  4  0  2  6  4  2  2  0  6  4  6  6  4  2  0  4  2  0  4  6  2  4  4
 0  0  0  0  0  4  4  4  0  4  4  0  4  0  0  4  4  0  4  4  4  4  0  0  4  0  0  4  0  0  4  4  4  4  4  0  4  0  0  0  4  0  4  0  4  0  4  0

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

Homogenous weight enumerator: w(x)=1x^0+59x^40+86x^41+135x^42+210x^43+229x^44+314x^45+373x^46+448x^47+462x^48+434x^49+405x^50+296x^51+203x^52+122x^53+89x^54+88x^55+62x^56+32x^57+19x^58+14x^59+8x^60+4x^61+2x^62+1x^74

The gray image is a code over GF(2) with n=192, k=12 and d=80.
This code was found by Heurico 1.16 in 0.69 seconds.