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

generates a code of length 92 over Z49 who´s minimum homogenous weight is 532.

Homogenous weight enumerator: w(x)=1x^0+444x^532+528x^539+2526x^546+12612x^553+174x^560+108x^567+96x^574+96x^581+60x^588+54x^595+42x^602+18x^609+30x^616+6x^623+6x^630+6x^637

The gray image is a code over GF(7) with n=644, k=5 and d=532.
This code was found by Heurico 1.16 in 74.2 seconds.