The generator matrix

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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 51.

Homogenous weight enumerator: w(x)=1x^0+174x^51+559x^52+780x^53+1255x^54+1656x^55+2218x^56+2154x^57+3046x^58+2768x^59+3298x^60+2918x^61+3124x^62+2716x^63+2122x^64+1300x^65+1224x^66+636x^67+404x^68+186x^69+109x^70+48x^71+35x^72+22x^73+6x^74+2x^75+3x^76+4x^78

The gray image is a code over GF(2) with n=240, k=15 and d=102.
This code was found by Heurico 1.16 in 30.4 seconds.