The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31  1 16 19 48  4 36  7 38 26  9  9  7
 0  0 35 21 42  7 14 21  7 28 14  7 35  0  0 28 42 14 42 28  7 21 35

generates a code of length 23 over Z49 who´s minimum homogenous weight is 126.

Homogenous weight enumerator: w(x)=1x^0+150x^126+378x^127+504x^128+1680x^133+1890x^134+1344x^135+4620x^140+3906x^141+2268x^142+18x^147+24x^154+24x^161

The gray image is a code over GF(7) with n=161, k=5 and d=126.
This code was found by Heurico 1.16 in 0.0357 seconds.