The generator matrix

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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 51.

Homogenous weight enumerator: w(x)=1x^0+52x^51+178x^52+228x^53+269x^54+414x^55+432x^56+364x^57+380x^58+370x^59+353x^60+356x^61+266x^62+172x^63+99x^64+50x^65+31x^66+14x^67+20x^68+20x^69+12x^70+2x^71+4x^72+6x^73+1x^74+1x^76+1x^78

The gray image is a code over GF(2) with n=232, k=12 and d=102.
This code was found by Heurico 1.16 in 0.678 seconds.