The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  1  1  1  1
 0  1 36 31 16 48  4 19  7 29 38  9  6 46 26  1 21 43  3 23 20 11 14

generates a code of length 23 over Z49 who´s minimum homogenous weight is 133.

Homogenous weight enumerator: w(x)=1x^0+174x^133+630x^134+168x^135+450x^140+840x^141+126x^142+12x^147

The gray image is a code over GF(7) with n=161, k=4 and d=133.
This code was found by Heurico 1.16 in 0.00175 seconds.