The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  1  1  1  1 21  1  1  1  1  1  1  1 14  1  1  1  1
 0  1 36 31 16 48  4 19  7 29 38  9  6 46 26  1 21 43  3 23 20 11 40  1 14 15 45 44 13 32 33  1 42 22 24  2

generates a code of length 36 over Z49 who´s minimum homogenous weight is 213.

Homogenous weight enumerator: w(x)=1x^0+672x^213+840x^214+24x^217+504x^220+336x^221+24x^224

The gray image is a code over GF(7) with n=252, k=4 and d=213.
This code was found by Heurico 1.16 in 0.00503 seconds.