The generator matrix

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

generates a code of length 46 over Z49 who´s minimum homogenous weight is 262.

Homogenous weight enumerator: w(x)=1x^0+2898x^262+3738x^263+84x^264+126x^265+1122x^266+3318x^267+1176x^268+9660x^269+10500x^270+1008x^271+630x^272+2808x^273+5124x^274+1176x^275+13146x^276+14826x^277+3024x^278+1302x^279+4548x^280+8022x^281+1764x^282+15456x^283+12096x^284+48x^287+24x^294+6x^301+12x^308+6x^315

The gray image is a code over GF(7) with n=322, k=6 and d=262.
This code was found by Heurico 1.16 in 4.81 seconds.