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  2  0  2 12  1  1  2  8  1  1  2  4  1  1  1  1  1  2  2  2  2  2  0  1  2 12  1  1  2  8  1  2  4  1  1  1  2  2  2  2  4  0  4  8  1  2  1  0  2 12  2  2  8  4  1  1  4  4  1  1  1  1  2  2  1
 0  2 12  6  8 14  4 10  0  6 12 10  8 14  4  2  0  6 12 10  8 14  4  2  6  2 10  2  0  6 14  2 12 10  2  2  8 14  4  2  0  8 12  6  4  0  2  6 10  2 12 10 14  2  8  2  2  4 14  2  0 12  8  4 12  4  4  4  0  6  8  2 10  2 14  2  2  2 12  4  0  8  0  8 12  4  6 14  0

generates a code of length 89 over Z16 who´s minimum homogenous weight is 88.

Homogenous weight enumerator: w(x)=1x^0+4x^88+94x^89+6x^90+12x^91+3x^92+6x^93+1x^98+1x^110

The gray image is a code over GF(2) with n=712, k=7 and d=352.
This code was found by Heurico 1.16 in 0.402 seconds.