The generator matrix

 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  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  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  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  1
 0  7  0  0  7  7 28 14 21  0  7 21 21 21 35 14 14  7 28 14 21 28  0  0 28  7  7 21  0 28 42 28  0 42 28 21 21 42  7 14 14 21  0 28 35 35  7 35 21  0  7 14  0  7 14 21 28 14 14 42 28 35 35  0 21 42  7  7  0 21 28 35 28 21 14 21 28  0  0  7 14 14 42 42 28 14 28 42 28  7  7  0 21  0
 0  0  7  0 35 28 21 35 42 21 21 21 35 35 28  0  0 21  7 28 14  7  7 35  0  7  7  7 35  0 35 14 28 28 21 28 14  7 28  7 28 21  0 14 14 21  0  0 21 28 35 35 35 21 42 14  0  7 28 35 35 42  0 42  7 14 21 28 14 28 35 14 28  0  7  0 28 14 42 35 21 21 14  7  0 21 14  7 14  0 35  7 42  7
 0  0  0  7 35  7 14 42 42 28  7  0 14 42 42 35  7 14 35  7  7 21 14 28 35 35 14  0 35 28 14 28 21 42  7 21 14 42 14 42 35 21 14 21  7 21 28 35 35 42 42 21 21 21 21 42 42 28 28  0 21 28  0  7 21 14  0 21  0 35  0 35 35 42 35  7 21 42 42 21 14  7  7  7  0  0  0 28  7 42 14  7 21 42

generates a code of length 94 over Z49 who´s minimum homogenous weight is 539.

Homogenous weight enumerator: w(x)=1x^0+132x^539+498x^546+462x^553+2058x^558+360x^560+12348x^565+294x^567+180x^574+84x^581+96x^588+84x^595+96x^602+24x^609+48x^616+6x^623+24x^637+6x^644+6x^651

The gray image is a code over GF(7) with n=658, k=5 and d=539.
This code was found by Heurico 1.16 in 0.579 seconds.