The generator matrix

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

generates a code of length 62 over Z49 who´s minimum homogenous weight is 355.

Homogenous weight enumerator: w(x)=1x^0+1050x^355+336x^357+1260x^358+1890x^359+1470x^360+4662x^361+6132x^362+1260x^363+1788x^364+5544x^365+5838x^366+2142x^367+5880x^368+8022x^369+1890x^370+2880x^371+7770x^372+6174x^373+1890x^374+6594x^375+6636x^376+3024x^377+3462x^378+8064x^379+6678x^380+2730x^381+5502x^382+6972x^383+66x^385+24x^392+18x^399

The gray image is a code over GF(7) with n=434, k=6 and d=355.
This code was found by Heurico 1.16 in 4.88 seconds.