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  1  1  1  1  1  1  1  1 21  1
 0  1  1 31 16 48  4 19  0 36 31 16 48  4 19  1 19 16  1 36 26 48  1  4 40 33 31  0 36 29 46  6 46  6  7  9  1  0
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 28 21 28 14  7  7  7 28 14 42 42 42 28 21 14 21 21 14 14  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 14 28 21 35 42  7 21  7 28 42 14  0  0

generates a code of length 38 over Z49 who´s minimum homogenous weight is 203.

Homogenous weight enumerator: w(x)=1x^0+72x^203+126x^205+342x^210+168x^211+2310x^212+798x^213+1272x^217+1260x^218+8778x^219+2016x^220+5004x^224+5208x^225+26460x^226+5922x^227+9348x^231+7770x^232+34356x^233+5670x^234+264x^238+228x^245+162x^252+84x^259+30x^266

The gray image is a code over GF(7) with n=266, k=6 and d=203.
This code was found by Heurico 1.16 in 3.18 seconds.