The generator matrix

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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+118x^53+332x^54+600x^55+682x^56+698x^57+730x^58+698x^59+767x^60+746x^61+642x^62+592x^63+537x^64+344x^65+270x^66+202x^67+88x^68+68x^69+42x^70+20x^71+4x^72+10x^73+1x^76

The gray image is a code over GF(2) with n=240, k=13 and d=106.
This code was found by Heurico 1.11 in 1.13 seconds.