The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  0  1  7  1  1  1  1 21  1  7  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 16 48  4 19  1 19 16 36 48 26  1  4  1  0 31 40  7  1 38  1 36  6 46 33  9 20 38 21  9 43 20 23 26 21  9  0
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 21 14 28  7  7 28 14 14  7 21 42  0  7  0 42 21 21 28  7 14 28 14  7 42 42  0  0 21  7
 0  0  0  7 28 28 21 42  0 42  7 42 35 28 21 21 42 21 35 35 35 21  0 28 35 28 35 42 28 14 35 28 35  7  0 42  0 42 35  7 42  7  0  0  7 21 35

generates a code of length 47 over Z49 who´s minimum homogenous weight is 259.

Homogenous weight enumerator: w(x)=1x^0+126x^259+378x^261+168x^265+1308x^266+1554x^267+2940x^268+1260x^272+3882x^273+4158x^274+7434x^275+5208x^279+11640x^280+11718x^281+18018x^282+7770x^286+13548x^287+11382x^288+14448x^289+294x^294+168x^301+84x^308+114x^315+48x^322

The gray image is a code over GF(7) with n=329, k=6 and d=259.
This code was found by Heurico 1.16 in 4.11 seconds.