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

generates a code of length 75 over Z16 who´s minimum homogenous weight is 70.

Homogenous weight enumerator: w(x)=1x^0+60x^70+96x^71+192x^72+288x^73+360x^74+224x^75+376x^76+32x^77+188x^78+64x^79+70x^80+64x^81+32x^82+1x^128

The gray image is a code over GF(2) with n=600, k=11 and d=280.
This code was found by Heurico 1.16 in 0.444 seconds.