The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+39x^52+196x^53+333x^54+522x^55+541x^56+756x^57+600x^58+856x^59+657x^60+892x^61+583x^62+706x^63+454x^64+442x^65+229x^66+168x^67+90x^68+44x^69+36x^70+16x^71+8x^72+6x^73+7x^74+4x^75+2x^76+4x^78

The gray image is a code over GF(2) with n=240, k=13 and d=104.
This code was found by Heurico 1.16 in 2.07 seconds.