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

generates a code of length 36 over Z49 who´s minimum homogenous weight is 182.

Homogenous weight enumerator: w(x)=1x^0+276x^182+942x^189+1596x^196+1788x^203+16722x^210+89226x^217+2970x^224+2412x^231+1254x^238+408x^245+54x^252

The gray image is a code over GF(7) with n=252, k=6 and d=182.
This code was found by Heurico 1.16 in 7.09 seconds.