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  7  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 40 31  0  7  1  1 38 26  9 33 21 47 46 19 36  9  6  3  2 45  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  7 14 14 21 42  7  0 35 28 28 14 28 21 14 14 21 21 28 14 35  0
 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 35 14 14 42 14 42  0  7 14 28 21  7 14  7 42  7

generates a code of length 45 over Z49 who´s minimum homogenous weight is 245.

Homogenous weight enumerator: w(x)=1x^0+36x^245+84x^248+336x^251+408x^252+462x^253+2856x^255+1932x^258+498x^259+3906x^260+8568x^262+2772x^265+396x^266+15498x^267+23352x^269+5838x^272+330x^273+23352x^274+22764x^276+3528x^279+222x^280+204x^287+162x^294+72x^301+66x^308+6x^315

The gray image is a code over GF(7) with n=315, k=6 and d=245.
This code was found by Heurico 1.16 in 3.92 seconds.