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 21  1
 0  1 36 31 16 48  4 19  7 29 38  9  6 46 26  1 21 43  3 23 20 11 40  1 14

generates a code of length 25 over Z49 who´s minimum homogenous weight is 146.

Homogenous weight enumerator: w(x)=1x^0+882x^146+174x^147+1176x^153+168x^154

The gray image is a code over GF(7) with n=175, k=4 and d=146.
This code was found by Heurico 1.16 in 0.00206 seconds.