The generator matrix

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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+32x^52+86x^53+153x^54+290x^55+245x^56+462x^57+236x^58+496x^59+250x^60+460x^61+269x^62+392x^63+165x^64+236x^65+86x^66+92x^67+54x^68+30x^69+17x^70+6x^71+19x^72+6x^73+6x^74+4x^75+1x^78+2x^80

The gray image is a code over GF(2) with n=240, k=12 and d=104.
This code was found by Heurico 1.16 in 0.707 seconds.