The generator matrix

 1  0  0  1  1  1  1  1 35  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 42 28  1  1  1  1
 0  1  0 36 31 16 35 17  1 48  1  9 34 18 19 28 29 44 25 38  4 26 46 13  5 20 45 14 30 12  8 24 37 14 22  1  1 25 10 33  0
 0  0  1  5 31 34 36  4 16 38  2 21 46 37 40 30 48 10 39 33 29 35 27 41 44  7 13 12  1 46  8 37 47  4 28  3 32 45 43 34  7

generates a code of length 41 over Z49 who´s minimum homogenous weight is 231.

Homogenous weight enumerator: w(x)=1x^0+1308x^231+1638x^232+210x^233+42x^234+126x^235+504x^236+5040x^237+12468x^238+6636x^239+504x^240+504x^241+630x^242+1344x^243+7560x^244+17334x^245+10626x^246+714x^247+1512x^248+1302x^249+2268x^250+12096x^251+22710x^252+9912x^253+630x^254+12x^259+6x^266+6x^273+6x^287

The gray image is a code over GF(7) with n=287, k=6 and d=231.
This code was found by Heurico 1.16 in 2.89 seconds.