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

generates a code of length 23 over Z49 who´s minimum homogenous weight is 119.

Homogenous weight enumerator: w(x)=1x^0+216x^119+294x^120+738x^126+5292x^127+3984x^133+31752x^134+11004x^140+63504x^141+468x^147+330x^154+66x^161

The gray image is a code over GF(7) with n=161, k=6 and d=119.
This code was found by Heurico 1.16 in 1.65 seconds.