The generator matrix

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

generates a code of length 49 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+35x^40+95x^42+56x^43+245x^44+208x^45+318x^46+456x^47+316x^48+608x^49+391x^50+456x^51+304x^52+208x^53+197x^54+56x^55+100x^56+17x^58+17x^60+4x^62+3x^64+1x^66+2x^68+1x^70+1x^72

The gray image is a code over GF(2) with n=196, k=12 and d=80.
This code was found by Heurico 1.16 in 0.521 seconds.