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

generates a code of length 91 over Z16 who´s minimum homogenous weight is 90.

Homogenous weight enumerator: w(x)=1x^0+6x^90+100x^91+6x^92+1x^94+10x^95+1x^96+2x^103+1x^110

The gray image is a code over GF(2) with n=728, k=7 and d=360.
This code was found by Heurico 1.16 in 0.699 seconds.