The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  1  7  1  7  1  1 42  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31  1 16 19 48  4 29  7 38 26  9  6 23  7 46  1 20 11  1  7 15 38 33
 0  0 35 21 42  7 14 21  7 28 14  7 35  0  0 28 42 14 42 28  7 35 21 28 35 21 21  7 35 42  7 35 14

generates a code of length 33 over Z49 who´s minimum homogenous weight is 189.

Homogenous weight enumerator: w(x)=1x^0+3432x^189+5214x^196+8118x^203+24x^217+18x^224

The gray image is a code over GF(7) with n=231, k=5 and d=189.
This code was found by Heurico 1.16 in 20.7 seconds.