The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  7  1  1  1  1  1  1  1  1  1 35  1  1 35  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
 0  1  1 31 16 48  4 19  0 36 31  1 16 19 48  4 36  7 38 26  9  6 46  1  9  6 46  1  7 29 38 26 30 18 21 15 45  1  2 18  1 40 20 39 40 12  1 30 21  7 21 42 16  9 19 40 42 12  2 42 30 12 29 45  1 24 15
 0  0 35 21 42  7 14 21  7 28 14  7 35  0  0 28 42 14 42 28  7 35  7 35 21 21 35 21 35  7  0 42 28 42 21  0  7 42 14  0 14 14 28 21  7 35 28  0  0 42 35 28 28 35 28  0 21 42 21  7  7 21 42 42 28 21  7

generates a code of length 67 over Z49 who´s minimum homogenous weight is 392.

Homogenous weight enumerator: w(x)=1x^0+1368x^392+420x^393+2562x^395+1050x^396+2742x^399+630x^400+1050x^402+252x^403+678x^406+1008x^407+2562x^409+756x^410+1686x^413+18x^420+6x^427+18x^434

The gray image is a code over GF(7) with n=469, k=5 and d=392.
This code was found by Heurico 1.16 in 0.151 seconds.