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  2  2  2  2  2  2  2  2  2  2  2  2  1  1  2  2  2  2  1  2  2  2  2  2  2  2  2  2  2  2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  2  1  1
 0 12  0  4  0  0  4 12  0  0  4 12  0  0  4 12  8  8 12  4  8  8 12  4  8  8 12  4  8  8 12  4  8  0 12  4  4  4 12  4  8  0  4  4  0  0  0  8  8  0  8 12 12  0 12  4  8  0 12 12 12  4  8  8  0  0  0  8  8  4 12  4 12 12  4 12  4  0  8  8  8  8  0  0  4  4  0 12  0 12  4
 0  0 12  4  0 12  4  0  8  4 12  8  8  4 12  8  8  4 12  8  8  4 12  8  0 12  4  0  0 12  4  0  4 12  0  8  4 12  0  8  4 12  4 12  0  0  8  8  0  0  4 12  4  4  8  0 12  4 12  4  8  0 12 12 12  4  8  8  0  4 12 12  4  0  0  8  8  8  8  0  4 12 12  4  4 12  0 12  8  0  4
 0  0  0  8  8  8  0  8  8  8  8  8  0  0  0  0  0  0  0  0  8  8  8  8  8  8  8  8  0  0  0  0  0  0  0  0  8  8  8  8  8  8  0  0  0  8  8  8  8  8  0  0  0  8  0  0  8  0  8  8  8  8  0  0  0  0  8  8  8  0  0  0  0  0  0  0  0  0  0  0  8  8  8  8  8  8  0  8  0  8  8

generates a code of length 91 over Z16 who´s minimum homogenous weight is 89.

Homogenous weight enumerator: w(x)=1x^0+38x^89+27x^90+400x^91+20x^92+8x^93+4x^94+11x^96+2x^121+1x^122

The gray image is a code over GF(2) with n=728, k=9 and d=356.
This code was found by Heurico 1.16 in 0.772 seconds.