The generator matrix

 1  0  0  0  1  1  1  1  4  1  2  4  1  1  2  1  1  0  1  1  1  1  6  1  1  2  0  1  1  2  2  1  0  0  2  4  2  2  1  1  1  1  1  6  2  6  1  6  1  0  1  0  1  0  1  0  0  1  0  1  6  4  1  6  2
 0  1  0  0  0  0  1  5  1  7  1  2  2  3  1  2  6  1  6  3  1  2  1  0  3  1  4  5  1  4  1  2  2  0  4  1  1  4  5  6  1  0  3  1  6  2  3  1  0  1  2  2  7  1  7  1  1  1  1  0  1  1  6  1  4
 0  0  1  0  0  1  1  4  7  5  4  1  3  2  3  1  3  4  6  0  5  0  3  4  3  6  4  2  5  1  1  7  1  1  0  2  7  1  0  6  4  6  7  2  1  4  1  1  2  7  7  1  1  0  4  1  6  6  0  7  0  5  4  1  1
 0  0  0  1  1  1  4  7  7  5  7  3  6  4  2  3  4  6  4  1  0  1  0  6  7  7  1  6  7  7  1  7  6  7  1  1  0  1  6  3  3  0  5  0  0  1  2  4  7  3  0  0  1  6  3  7  3  4  2  7  3  1  1  7  7
 0  0  0  0  2  0  0  0  0  2  6  6  2  2  2  4  6  4  4  6  6  0  4  6  0  0  2  4  2  4  6  6  0  0  6  4  2  2  6  4  2  0  4  4  2  0  2  4  0  2  4  0  4  2  6  6  4  2  0  6  4  2  6  0  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  0  0  4  4  4  4  4  4  4  4  0  4  0  4  0  0  0

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

Homogenous weight enumerator: w(x)=1x^0+277x^56+484x^57+1116x^58+1048x^59+1890x^60+1824x^61+2648x^62+2448x^63+3240x^64+2756x^65+3286x^66+2496x^67+2969x^68+1800x^69+1734x^70+996x^71+847x^72+352x^73+278x^74+112x^75+108x^76+16x^77+26x^78+4x^79+11x^80+1x^84

The gray image is a code over GF(2) with n=260, k=15 and d=112.
This code was found by Heurico 1.16 in 35.3 seconds.