The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  7  0  7 21 21  0  7 21 14 14 14  0  7 21 14 42 42 42 42 21 42  7  0
 0  0  7 35 21 14 28 14  7 35  7 28 35 28  0 14  0  7 14 42 35 28 42  0

generates a code of length 24 over Z49 who´s minimum homogenous weight is 133.

Homogenous weight enumerator: w(x)=1x^0+60x^133+138x^140+2058x^144+84x^147+18x^154+12x^161+30x^168

The gray image is a code over GF(7) with n=168, k=4 and d=133.
This code was found by Heurico 1.16 in 0.00355 seconds.