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

generates a code of length 26 over Z49 who´s minimum homogenous weight is 140.

Homogenous weight enumerator: w(x)=1x^0+432x^140+504x^147+438x^154+14406x^156+378x^161+318x^168+258x^175+72x^182

The gray image is a code over GF(7) with n=182, k=5 and d=140.
This code was found by Heurico 1.16 in 94.6 seconds.