The generator matrix

 1  0  0  1  1  1  1  1  1  1  7  1  1  1  1  1 28  1  1  1  1  1  1  1 14  1  1  1  1
 0  1  0 36 31 16 35 29 38 30  1 34  4  7  9 17  1 13 20 22 10 48 37 39  1 12  1 23 36
 0  0  1  5 31 34 36 38 28 37 34 43 41 13 14 29 22 25 16  2 18 24  9 11 28 43 46 33 47

generates a code of length 29 over Z49 who´s minimum homogenous weight is 159.

Homogenous weight enumerator: w(x)=1x^0+966x^159+78x^161+756x^162+966x^163+1512x^164+6384x^165+5292x^166+684x^168+5544x^169+5124x^170+4032x^171+10752x^172+9450x^173+3564x^175+18396x^176+10374x^177+6804x^178+15792x^179+11046x^180+48x^182+72x^189+12x^196

The gray image is a code over GF(7) with n=203, k=6 and d=159.
This code was found by Heurico 1.16 in 1.98 seconds.