The generator matrix

 1  0  0  1  1  1  1  1 35  1  1  1  1  1  1  1  1  1  1  1  1  1 28  1  1  1  1  1  1  1  1  1  1  1
 0  1  0 36 31 16 35 17  1 48  1 34  4  3 25 27 37  9 33 46 29 44  1 28 18 24 12 32  9 14  5 40  7  0
 0  0  1  5 31 34 36  4 16 38 25 29 40  6 44  2 30 21 26 35 24 46 36 18 20 22  8 37 27 36 17 20 30 14

generates a code of length 34 over Z49 who´s minimum homogenous weight is 189.

Homogenous weight enumerator: w(x)=1x^0+1410x^189+462x^190+210x^192+630x^193+1218x^194+5670x^195+9282x^196+2142x^197+882x^198+2520x^199+3150x^200+3444x^201+9240x^202+14658x^203+2562x^204+5292x^205+7560x^206+6510x^207+5628x^208+13902x^209+18132x^210+3066x^211+30x^217+30x^224+18x^231

The gray image is a code over GF(7) with n=238, k=6 and d=189.
This code was found by Heurico 1.16 in 2.39 seconds.