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

generates a code of length 64 over Z49 who´s minimum homogenous weight is 367.

Homogenous weight enumerator: w(x)=1x^0+1302x^367+210x^368+252x^369+798x^370+1962x^371+2982x^372+2730x^373+8358x^374+462x^375+2016x^376+3780x^377+3276x^378+6132x^379+4200x^380+11466x^381+1386x^382+2268x^383+4452x^384+4512x^385+5250x^386+3990x^387+11466x^388+2058x^389+3696x^390+5376x^391+4914x^392+6216x^393+3486x^394+8568x^395+42x^399+24x^406+12x^413+6x^420

The gray image is a code over GF(7) with n=448, k=6 and d=367.
This code was found by Heurico 1.16 in 4.94 seconds.