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

generates a code of length 76 over Z16 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+60x^75+167x^76+16x^78+7x^80+4x^91+1x^92

The gray image is a code over GF(2) with n=608, k=8 and d=300.
This code was found by Heurico 1.16 in 8.51 seconds.