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  7  1  1  1  1 21  1  1  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31 16 48  4 19  1 19 16 36 48  4  1  0 31 38 36  7  6 26  1 40 38 20  7  1 29  9  7 17 20  0
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 21 14 42 14 21  7 35 21 21 35 14  7 28 28  0  0  0  7 35 21 28 28  0
 0  0  0  7 28 28 21 42  0 42  7 42 35 28 21 21 42 21 35 35 14  0 42  0 35 21  7 28 14 35 14 21 42 35 35  7  7 14 14 35  7

generates a code of length 41 over Z49 who´s minimum homogenous weight is 224.

Homogenous weight enumerator: w(x)=1x^0+180x^224+126x^225+42x^228+126x^229+1176x^230+2046x^231+840x^232+756x^235+1386x^236+5292x^237+4530x^238+2898x^239+4536x^242+5082x^243+16758x^244+12078x^245+5586x^246+9072x^249+7812x^250+19992x^251+11754x^252+4956x^253+240x^259+210x^266+102x^273+48x^280+24x^287

The gray image is a code over GF(7) with n=287, k=6 and d=224.
This code was found by Heurico 1.16 in 3.45 seconds.