The generator matrix

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

generates a code of length 92 over Z49 who´s minimum homogenous weight is 536.

Homogenous weight enumerator: w(x)=1x^0+1218x^536+5964x^537+3402x^538+1836x^539+1260x^540+504x^542+4200x^543+12390x^544+5796x^545+2676x^546+2394x^547+672x^549+4662x^550+12936x^551+6930x^552+2844x^553+2016x^554+378x^556+4956x^557+12474x^558+4536x^559+1692x^560+2562x^561+504x^563+3486x^564+9744x^565+4032x^566+1560x^567+24x^581

The gray image is a code over GF(7) with n=644, k=6 and d=536.
This code was found by Heurico 1.16 in 6.83 seconds.