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  7  1  1  1  7  1  1  7  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 14 26  1 26 42 40  1 21 33  1 14 40  9 46 29
 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 21 35 42 35 21 28 35  7 35 28 28  0 21  7 35  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  7 35  7 14 28 14 28 42  7 14  7 28 14  7 42

generates a code of length 43 over Z49 who´s minimum homogenous weight is 238.

Homogenous weight enumerator: w(x)=1x^0+630x^238+630x^241+378x^242+798x^243+3522x^245+5166x^248+1806x^249+2016x^250+5814x^252+20706x^255+5544x^256+5922x^257+12084x^259+31122x^262+6678x^263+5670x^264+8598x^266+234x^273+138x^280+120x^287+66x^294+6x^301

The gray image is a code over GF(7) with n=301, k=6 and d=238.
This code was found by Heurico 1.16 in 3.59 seconds.