The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+84x^55+213x^56+284x^57+274x^58+236x^59+186x^60+174x^61+174x^62+88x^63+71x^64+68x^65+48x^66+52x^67+32x^68+30x^69+14x^70+4x^71+7x^72+4x^73+2x^74+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 1.11 in 0.149 seconds.