The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+41x^54+136x^55+234x^56+200x^57+164x^58+192x^59+193x^60+190x^61+137x^62+182x^63+197x^64+98x^65+30x^66+12x^67+2x^68+2x^69+10x^70+6x^71+10x^72+6x^73+2x^76+2x^78+1x^84

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 0.232 seconds.