The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  7  1  1  1  1  1  7  1  1  1  1  1  1  1 14  1  1  1  1
 0  1  1 31 16  0  7  7 48 48 14  6  6 41  4 19 20 14 36 31 19  1 16  4 26 38 46  1  9 36 46 38 26  1 43  9 40 43 24 37 25  1 22 24 25 12
 0  0 35 21 42  7 14 28  7 35 42 28 14 21  0 35  0 35  7 42 21 35  0 28  7 28 21  7 21 14 42 14  0 42 28  7 42 42 35 14  7 21 21  0 14 28

generates a code of length 46 over Z49 who´s minimum homogenous weight is 267.

Homogenous weight enumerator: w(x)=1x^0+840x^267+3780x^268+210x^273+1260x^274+3024x^275+108x^280+2016x^281+5544x^282+18x^287+6x^322

The gray image is a code over GF(7) with n=322, k=5 and d=267.
This code was found by Heurico 1.16 in 0.0976 seconds.