The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  7  1
 0  1  1 31 16 48  4 19  0 36 31  1 16 19  7 36 38 48  6 26 28 46
 0  0 35 21 42  7 14 21  7 28 14  7 35  0 28 14  7 42 35 42 21 21

generates a code of length 22 over Z49 who´s minimum homogenous weight is 121.

Homogenous weight enumerator: w(x)=1x^0+378x^121+1260x^122+180x^126+1890x^128+3360x^129+96x^133+3906x^135+5670x^136+18x^140+12x^147+36x^154

The gray image is a code over GF(7) with n=154, k=5 and d=121.
This code was found by Heurico 1.16 in 0.0838 seconds.