The generator matrix

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

generates a code of length 84 over Z49 who´s minimum homogenous weight is 488.

Homogenous weight enumerator: w(x)=1x^0+2772x^488+3192x^489+2226x^490+714x^491+1092x^492+1974x^493+2730x^494+8778x^495+6468x^496+3192x^497+2436x^498+1428x^499+3108x^500+2688x^501+9954x^502+7476x^503+3768x^504+2394x^505+1806x^506+2562x^507+2604x^508+9702x^509+6384x^510+3474x^511+2688x^512+1848x^513+2646x^514+2268x^515+7896x^516+5292x^517+2046x^518+18x^525+24x^532

The gray image is a code over GF(7) with n=588, k=6 and d=488.
This code was found by Heurico 1.16 in 6 seconds.