The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 35 21  1  1  1  1  1  1  1  1  1  1  1 14  1  1  1  1  1 21  1  1 28  1  1  1  1  1  1  1  1  1  1  0 28  1  1  1  1  1  1  1 35  1  1  1  1  7  1  1  1  7  1  1  1  1  1  1  1  1  1  1
 0  1  0 35 21 42  1 17 30 36 16 48  6  4 18 22 24  2 11  1  1 13 47 31 26 29 19  9 15 41 33 45  1 24 25 14 37 32  1  8 10  1 12 48 30 22 27  9  5 44 14 47  1 42 17  4 34  8 24 41 32  1 40 42 28 18  1 33 12 45  1 25 25 17 15  1  0 38  6 13 48
 0  0  1 36 31 16 30 23  9  5 47 38 34 20  8 25 39 35 40 19 32 14 43  3 21  6 32 15 17 12 37 41  1  1  7 13 46 18  9 15 19 41 41 32 24 10 27 40 31  7 35  8  7  1 39  9 26 21 37 29 41 47  5 38 27 25 38 46 23 28 41  1 28 16 29  2 46 48 20 44  4

generates a code of length 81 over Z49 who´s minimum homogenous weight is 470.

Homogenous weight enumerator: w(x)=1x^0+2646x^470+4074x^471+210x^472+210x^473+1974x^474+2772x^475+2292x^476+8652x^477+8862x^478+210x^479+546x^480+4116x^481+4158x^482+2250x^483+9072x^484+9996x^485+1008x^486+630x^487+4368x^488+3948x^489+2124x^490+8820x^491+9744x^492+630x^493+672x^494+3948x^495+3528x^496+1848x^497+7854x^498+6426x^499+42x^504+6x^511+6x^518+6x^525

The gray image is a code over GF(7) with n=567, k=6 and d=470.
This code was found by Heurico 1.16 in 29.8 seconds.