The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  1  1  1  1 21  1  1  1  1  1
 0  1 36 31 16 48  4 19  7 29 38  9  6 46 26  1 21 43  3 23 20 11 40  1 14 15 45 44 13

generates a code of length 29 over Z49 who´s minimum homogenous weight is 170.

Homogenous weight enumerator: w(x)=1x^0+378x^170+840x^171+30x^175+504x^177+630x^178+18x^182

The gray image is a code over GF(7) with n=203, k=4 and d=170.
This code was found by Heurico 1.16 in 0.00288 seconds.