The generator matrix

 1  1
 0 36

generates a code of length 2 over Z49 who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+84x^6+12x^7+1764x^12+504x^13+36x^14

The gray image is a code over GF(7) with n=14, k=4 and d=6.
This code was found by Heurico 1.16 in 2.72e-005 seconds.