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

generates a code of length 65 over Z8 who´s minimum homogenous weight is 56.

Homogenous weight enumerator: w(x)=1x^0+47x^56+72x^57+123x^58+190x^59+202x^60+248x^61+329x^62+400x^63+352x^64+348x^65+347x^66+344x^67+297x^68+192x^69+170x^70+106x^71+92x^72+78x^73+37x^74+38x^75+29x^76+20x^77+17x^78+10x^79+4x^80+2x^81+1x^98

The gray image is a code over GF(2) with n=260, k=12 and d=112.
This code was found by Heurico 1.16 in 1.06 seconds.