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 21  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 38  3  9  1  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 14 21  7 21  7
 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 28 28 14 28 35

generates a code of length 40 over Z49 who´s minimum homogenous weight is 217.

Homogenous weight enumerator: w(x)=1x^0+108x^217+42x^218+84x^219+42x^222+294x^223+1290x^224+1386x^225+1050x^226+756x^229+2646x^230+3780x^231+4410x^232+2520x^233+4536x^236+10290x^237+11778x^238+11550x^239+5880x^240+9072x^243+15582x^244+13626x^245+11424x^246+4872x^247+222x^252+186x^259+132x^266+60x^273+30x^280

The gray image is a code over GF(7) with n=280, k=6 and d=217.
This code was found by Heurico 1.16 in 3.38 seconds.