The generator matrix

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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+20x^45+101x^46+132x^47+247x^48+384x^49+630x^50+958x^51+1495x^52+1820x^53+2269x^54+2954x^55+3493x^56+4722x^57+4850x^58+5806x^59+5407x^60+6092x^61+4949x^62+4740x^63+3711x^64+2952x^65+2326x^66+1710x^67+1269x^68+860x^69+579x^70+462x^71+287x^72+126x^73+100x^74+38x^75+25x^76+16x^77+2x^78+1x^80+2x^82

The gray image is a code over GF(2) with n=240, k=16 and d=90.
This code was found by Heurico 1.16 in 99 seconds.