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

generates a code of length 73 over Z8 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+41x^64+86x^65+147x^66+190x^67+232x^68+240x^69+304x^70+370x^71+342x^72+382x^73+378x^74+306x^75+262x^76+230x^77+115x^78+114x^79+88x^80+48x^81+51x^82+40x^83+50x^84+34x^85+28x^86+4x^87+8x^88+4x^89+1x^110

The gray image is a code over GF(2) with n=292, k=12 and d=128.
This code was found by Heurico 1.16 in 1.28 seconds.