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

generates a code of length 92 over Z16 who´s minimum homogenous weight is 91.

Homogenous weight enumerator: w(x)=1x^0+70x^91+136x^92+16x^93+16x^94+7x^96+8x^99+2x^107

The gray image is a code over GF(2) with n=736, k=8 and d=364.
This code was found by Heurico 1.16 in 2.09 seconds.