The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  7  1  1  1  1
 0  7  0  0  7  7 28 14 21  0  7 21 21 21 35 14 28 14  0 28  0 14 28 28 28  7 28 35 14  0
 0  0  7  0 35 28 21 35 42 21 21 21 35 35 28  0 42 42 42  0 42 35 21 42 14 21 21 35 14 21
 0  0  0  7 35  7 14 42 42 28  7  0 14 42 42 35  7 35 35 35 42 28 35  0  0 35 28 28 42  7

generates a code of length 30 over Z49 who´s minimum homogenous weight is 161.

Homogenous weight enumerator: w(x)=1x^0+246x^161+510x^168+2058x^174+432x^175+12348x^181+438x^182+276x^189+288x^196+162x^203+48x^210

The gray image is a code over GF(7) with n=210, k=5 and d=161.
This code was found by Heurico 1.16 in 0.124 seconds.