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  1  1  7  1  1  1 21  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31 16 48  4 19  1 19 16  1 36 48 31  4 38  1 46  6 36  1 46 15  4  0
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 28 21 42  7 28 14  7  0 14 28 28 42 35 21  0
 0  0  0  7 28 28 21 42  0 42  7 42 35 28 21 21 42 21 28 35  7 35 28 21 21 42  0  0  7  7  7  7  0

generates a code of length 33 over Z49 who´s minimum homogenous weight is 175.

Homogenous weight enumerator: w(x)=1x^0+126x^175+42x^176+378x^180+336x^181+1218x^182+588x^183+3276x^187+2520x^188+3792x^189+2394x^190+10836x^194+10416x^195+11820x^196+5628x^197+28728x^201+15540x^202+13590x^203+5754x^204+258x^210+210x^217+174x^224+24x^231

The gray image is a code over GF(7) with n=231, k=6 and d=175.
This code was found by Heurico 1.16 in 2.66 seconds.