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  0  4  1  1  2  1  2  1  1  1  2  1  2  1  0  4  1  1  1  1  1  2  2  1  0  0  4  1  1  1  1  1  1  1  1  1  1  1  4  4  1
 0  2  0  0  0  2  6  2  0  0  4  4  2  2  6  2  0  4  2  2  6  0  6  4  4  6  0  2  4  6  6  6  4  4  0  2  2  2  2  2  2  0  2  4  0  6  6  0  2  2  0  6  4  6  0  6  4  4  2  4  0  0  6  2  2  2  6  4  0  2  0  2  0  2  4
 0  0  2  0  2  2  6  0  0  4  2  2  2  6  4  0  0  0  6  0  4  6  2  2  6  2  2  4  0  4  2  6  4  4  2  6  0  2  6  4  2  0  4  6  2  2  6  0  2  6  4  6  6  4  6  0  4  2  6  2  2  6  2  2  2  4  4  0  4  4  6  0  2  6  0
 0  0  0  2  2  0  6  2  4  2  2  0  0  2  0  6  4  2  0  4  6  4  2  6  0  2  2  2  6  0  4  0  4  4  4  4  2  2  0  4  4  2  0  6  6  6  6  0  2  2  0  4  0  6  0  4  2  2  6  4  6  4  4  2  4  4  6  0  2  0  4  2  6  4  2
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  0  4  0  0  0  4  4  0  4  4  4  4  4  4  4  0  0  0  0  0  4  0  4  4  0  0  4  4  4  4  0  0  4  0  0  4  4  4  4  0  0  4  4  4  4  0  0  4  0  0  0  0  4  4  4  0  4  0  0  0
 0  0  0  0  0  4  0  4  4  0  4  4  4  0  4  0  4  4  0  0  0  0  0  0  4  4  4  4  0  4  0  4  0  4  0  4  4  4  0  4  4  4  0  4  4  4  4  4  0  0  0  0  0  0  0  0  0  4  0  4  4  0  0  0  0  0  4  0  0  4  0  4  4  4  0
 0  0  0  0  0  0  4  4  0  4  4  0  4  4  4  4  4  4  4  4  4  0  0  4  4  0  4  0  0  4  0  4  4  4  4  4  0  4  0  0  0  4  4  0  4  0  4  0  0  0  0  4  4  0  4  0  4  0  4  0  0  0  0  4  0  4  0  4  4  4  4  0  4  4  0

generates a code of length 75 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+84x^66+273x^68+24x^69+348x^70+132x^71+417x^72+208x^73+502x^74+284x^75+459x^76+248x^77+369x^78+92x^79+265x^80+32x^81+152x^82+4x^83+77x^84+66x^86+36x^88+14x^90+7x^92+1x^94+1x^120

The gray image is a code over GF(2) with n=300, k=12 and d=132.
This code was found by Heurico 1.16 in 1.36 seconds.