The generator matrix

 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  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  1  1  1  1  1  1  1  1  1  7  1  7  1  1  1
 0  7  0  0  0  0  0  0  7  7 21  7 21 14 35  7 14 14 28 42 42 28 35 14 35 35 21 35 28 21 21 21 14 28  0 42  0  0 14 14 28 35  7 14  0 14  0 21 42  0 21 14  7 21 14  7 21  7 42 14  0
 0  0  7  0  0  7  7 28 35 42 14 14 35  7 42  7 21  0 42  7 28 42 35  0  0 35  7 21  7  7 42 42 42 21 42 14 28 14 28 35 28 28  7 35 42 35 28 28 42 14  0  0 21 42 35 14  0 35 14  7  7
 0  0  0  7  0 35 28 21 35 28 21 42  0 28 42 35 35 35 35 14  0 42 14  7 21  0 42 28  7  0 21 21 21 35 14  0 21 21 28  0 42 42  0 21 42 35  7  0  7 42  0  7 21 28 28 35 28  7 14 42 35
 0  0  0  0  7 35  7 14 14 35 35  0  7 14  0 21 14 42 35 42 14 21 14 28 42 42 14 14 21 35 21  7  0 14 21  7  7  0 21  7 28 42 35  0 28 35  7 42 42 35  7  0  7  7 35 14 42  0 35  7  0

generates a code of length 61 over Z49 who´s minimum homogenous weight is 329.

Homogenous weight enumerator: w(x)=1x^0+354x^329+1212x^336+1428x^343+294x^348+1818x^350+5292x^355+1914x^357+31752x^362+2076x^364+63504x^369+2154x^371+2022x^378+1626x^385+1206x^392+642x^399+294x^406+48x^413+12x^420

The gray image is a code over GF(7) with n=427, k=6 and d=329.
This code was found by Heurico 1.16 in 13.8 seconds.