The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  0  1  7 14  1  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31 16 48  4 19  1 19 16  1 26  1  1 48 40  6 26  0
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 28 28 14  7 14 14 14 14  0
 0  0  0  7 28 28 21 42  0 42  7 42 35 28 21 21 42 21 28 35  0 21 35 14 28 42  7

generates a code of length 27 over Z49 who´s minimum homogenous weight is 140.

Homogenous weight enumerator: w(x)=1x^0+66x^140+84x^144+168x^145+420x^146+1188x^147+882x^150+1512x^151+1260x^152+1680x^153+2652x^154+10584x^157+9072x^158+5208x^159+5670x^160+6210x^161+31752x^164+18144x^165+7770x^166+6636x^167+6060x^168+354x^175+222x^182+54x^189

The gray image is a code over GF(7) with n=189, k=6 and d=140.
This code was found by Heurico 1.16 in 2 seconds.