The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+60x^54+158x^55+168x^56+192x^57+210x^58+174x^59+187x^60+178x^61+186x^62+170x^63+138x^64+136x^65+45x^66+4x^67+9x^68+2x^69+9x^70+4x^71+9x^72+4x^73+2x^75+1x^82+1x^86

The gray image is a code over GF(2) with n=240, k=11 and d=108.
This code was found by Heurico 1.16 in 0.274 seconds.