The generator matrix

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

generates a code of length 24 over Z49 who´s minimum homogenous weight is 126.

Homogenous weight enumerator: w(x)=1x^0+534x^126+126x^127+294x^132+5004x^133+1386x^134+3528x^139+27660x^140+5082x^141+10584x^146+54858x^147+7812x^148+396x^154+330x^161+54x^168

The gray image is a code over GF(7) with n=168, k=6 and d=126.
This code was found by Heurico 1.16 in 1.69 seconds.