The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 57.

Homogenous weight enumerator: w(x)=1x^0+118x^57+301x^58+572x^59+922x^60+1200x^61+1554x^62+1996x^63+2328x^64+2708x^65+3039x^66+3160x^67+3071x^68+2920x^69+2631x^70+1908x^71+1441x^72+1122x^73+694x^74+428x^75+271x^76+176x^77+91x^78+56x^79+26x^80+12x^81+10x^82+8x^83+4x^84

The gray image is a code over GF(2) with n=268, k=15 and d=114.
This code was found by Heurico 1.16 in 39 seconds.