The generator matrix

 1  1  1  1  1  1  1  1  1  7  1
 0  7  0  0  0  7  7 28  0  7  7
 0  0  7  0  0 35 28 35  7 42 35
 0  0  0  7  0 35 21 21 35 28 35
 0  0  0  0  7 35 42  7 42 35 42

generates a code of length 11 over Z49 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+198x^42+1032x^49+1812x^56+14406x^60+5202x^63+86436x^67+5442x^70+3120x^77

The gray image is a code over GF(7) with n=77, k=6 and d=42.
This code was found by Heurico 1.16 in 0.908 seconds.