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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+29x^54+56x^55+72x^56+86x^57+98x^58+122x^59+134x^60+124x^61+93x^62+70x^63+39x^64+40x^65+29x^66+6x^67+6x^68+4x^69+6x^70+2x^71+4x^72+2x^73+1x^106

The gray image is a code over GF(2) with n=240, k=10 and d=108.
This code was found by Heurico 1.16 in 0.135 seconds.