The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  1  1  2  1  1  1  1  1  4  2  2  1  1  0  1  2  1  1  1  1  1  4  4  1  1  1
 0  2  0  0  0  2  6  2  4  0  4  4  2  2  6  2  0  4  2  2  4  6  0  2  0  2  4  6  0  0  6  6  4  0  4  0  0  4  0  2  6  2  0  6  4  6  0  4  2  2  0  0  6  4  2  2  0  4  0  2
 0  0  2  0  2  2  2  4  6  2  4  0  6  0  6  4  0  2  6  4  0  2  2  0  0  2  4  0  2  6  6  4  2  6  0  2  6  0  2  2  6  6  2  6  6  6  6  4  2  6  4  2  4  2  2  2  2  0  0  6
 0  0  0  2  2  0  2  6  2  4  0  2  4  0  2  6  4  4  0  4  2  2  2  6  0  6  6  0  6  4  0  2  0  4  2  2  4  6  6  0  2  2  2  6  6  0  0  2  2  2  6  0  2  0  6  4  2  4  2  6
 0  0  0  0  4  0  0  0  0  0  4  4  0  4  4  4  0  4  4  0  0  0  0  0  4  4  4  4  4  4  4  4  0  0  0  0  4  4  4  4  0  4  0  4  0  0  4  4  4  4  0  0  0  0  4  4  4  0  4  0
 0  0  0  0  0  4  4  0  4  4  0  4  0  0  0  4  4  4  4  4  4  0  0  4  4  4  0  4  4  0  0  0  0  0  0  4  4  4  0  4  4  0  0  0  4  4  4  4  4  4  0  4  0  0  0  4  0  4  0  4

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

Homogenous weight enumerator: w(x)=1x^0+66x^53+101x^54+104x^55+103x^56+138x^57+230x^58+198x^59+188x^60+266x^61+221x^62+104x^63+76x^64+76x^65+67x^66+32x^67+14x^68+26x^69+18x^70+8x^71+2x^73+3x^74+2x^75+1x^76+2x^77+1x^100

The gray image is a code over GF(2) with n=240, k=11 and d=106.
This code was found by Heurico 1.16 in 39.7 seconds.