The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31 16 48  4 19  1 19 16 26 36 36 48 40 43 31 40 22 33  1  0 36  4  8 26  6  7
 0  0 35  0 35  7 35  7 42 14  7 42  0  0 42 14 21 28 28 21  0 14 42 21  7  7 14 14 14 21  7 21 35 28  0 35
 0  0  0  7 28 28 21 42  0 42  7 42 35 28 21 21 42 21 35 35  0 35 35 21  0 14  7 14  0  7 35  7 14 14 28 14

generates a code of length 36 over Z49 who´s minimum homogenous weight is 196.

Homogenous weight enumerator: w(x)=1x^0+594x^196+168x^198+336x^199+3600x^203+3024x^205+2520x^206+5508x^210+18144x^212+10416x^213+12444x^217+36288x^219+15540x^220+8508x^224+252x^231+192x^238+96x^245+18x^252

The gray image is a code over GF(7) with n=252, k=6 and d=196.
This code was found by Heurico 1.16 in 2.9 seconds.