The generator matrix

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

generates a code of length 52 over Z49 who´s minimum homogenous weight is 298.

Homogenous weight enumerator: w(x)=1x^0+4032x^298+3738x^299+630x^300+12x^301+19656x^305+9996x^306+1680x^307+108x^308+22680x^312+11130x^313+2688x^314+216x^315+27720x^319+12180x^320+1176x^321+6x^350

The gray image is a code over GF(7) with n=364, k=6 and d=298.
This code was found by Heurico 1.16 in 3.69 seconds.