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  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 42  1  1  1 28
 0  1 36 31 16 48  4 19  7 29 38  9  6 46 26  1 21 43  3 23 20 11 40  1  0 15 45 44 13 32 33  1 14 22 24  2 41 39 12 42  8 10 37 27 25 47 28  1 17 30 34 18  5 35 36 31  1  7 29 38  1

generates a code of length 61 over Z49 who´s minimum homogenous weight is 361.

Homogenous weight enumerator: w(x)=1x^0+252x^361+18x^364+252x^365+1176x^366+630x^368+42x^372+24x^378+6x^385

The gray image is a code over GF(7) with n=427, k=4 and d=361.
This code was found by Heurico 1.16 in 0.245 seconds.