The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  0  1  1  1  7  1  1  1  1  1  7  1  1  1  1  1 14  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31 16 48  4 19  1 19 16  1 36 48 26  1  4 40 31  0  7  1 38  6 26 36 46  1 13 38 29  0
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 28 21 14 28  7  7  7 14 21 14 42  0  7 35 21 42  0 21 28 28  0
 0  0  0  7 28 28 21 42  0 42  7 42 35 28 21 21 42 21 28 35 35 35 21  0 35 28 42 35 28 14 21 14 21 42 14 21 21  0  0

generates a code of length 39 over Z49 who´s minimum homogenous weight is 210.

Homogenous weight enumerator: w(x)=1x^0+114x^210+126x^211+42x^216+564x^217+1848x^218+1512x^219+756x^223+1722x^224+7224x^225+4284x^226+4536x^230+5550x^231+20664x^232+11592x^233+9072x^237+8124x^238+27762x^239+11424x^240+222x^245+264x^252+174x^259+60x^266+12x^273

The gray image is a code over GF(7) with n=273, k=6 and d=210.
This code was found by Heurico 1.16 in 3.3 seconds.