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  1  1  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  1  1  1  1  7  1  1  1  1 14  1  1  1  1  1  1  1  1  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 48 36  4  1  0 31 36 26 38  7  6 46 29 11 38 26  6  9  1  7  9 41 32 47  9 42  1 38  6  8 21  1 32 23 28 19 32 13 16 35 27 38 26 45  5 31 15 43 29  9 20 11 47 44  0
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 14 21 42 14 21  0 14 42 35 28 21 14  7 35 28  0 28 14 28 28 28  7 28  7 14  0  0 42 21 42 21 28  0 42  7 35 28  0 42 21  0 35 35 28 35 35 21 42 21  7 42 21  7 14  7
 0  0  0  7 28 28 21 42  0 42  7 42 35 28 21 21 42 21 35 35 14  0 42 14  7 35 35 28 28 21 14  7  0  0 42 14 21 14  0 21  7 35  0  7 14 14 21 35 14  7 42 21 28  0 42 42  7  0 28 28 35 28 42 14 14  7 42 35  7 35 21 35 35

generates a code of length 73 over Z49 who´s minimum homogenous weight is 413.

Homogenous weight enumerator: w(x)=1x^0+162x^413+966x^419+2862x^420+840x^423+5922x^426+8832x^427+1890x^430+8190x^433+12942x^434+6048x^437+17556x^440+22488x^441+5628x^444+10584x^447+12312x^448+120x^455+72x^462+60x^469+30x^476+30x^483+78x^490+30x^497+6x^504

The gray image is a code over GF(7) with n=511, k=6 and d=413.
This code was found by Heurico 1.16 in 6.79 seconds.