The generator matrix

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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 55.

Homogenous weight enumerator: w(x)=1x^0+76x^55+254x^56+186x^57+372x^58+210x^59+238x^60+106x^61+148x^62+72x^63+135x^64+58x^65+68x^66+20x^67+40x^68+30x^69+20x^70+4x^71+2x^72+4x^73+2x^75+2x^76

The gray image is a code over GF(2) with n=240, k=11 and d=110.
This code was found by Heurico 1.16 in 0.184 seconds.