The generator matrix

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

generates a code of length 19 over Z49 who´s minimum homogenous weight is 98.

Homogenous weight enumerator: w(x)=1x^0+360x^98+468x^105+426x^112+14406x^114+522x^119+504x^126+120x^133

The gray image is a code over GF(7) with n=133, k=5 and d=98.
This code was found by Heurico 1.16 in 0.0642 seconds.