The generator matrix

 1  0  0  1  1  1  1  1 35  1  1  1  1
 0  1  0 36 31 16 35 17  1 48  1  9 34
 0  0  1  5 31 34 36  4 16 38  2 21 16

generates a code of length 13 over Z49 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+756x^66+2520x^67+120x^70+2352x^72+9072x^73+12600x^74+108x^77+22638x^78+14112x^79+27216x^80+26040x^81+48x^84+66x^91

The gray image is a code over GF(7) with n=91, k=6 and d=66.
This code was found by Heurico 1.16 in 0.54 seconds.