The generator matrix

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

generates a code of length 59 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+133x^52+40x^53+350x^54+168x^55+526x^56+184x^57+605x^58+216x^59+543x^60+248x^61+455x^62+120x^63+275x^64+40x^65+97x^66+8x^67+47x^68+15x^70+9x^72+14x^74+1x^80+1x^84

The gray image is a code over GF(2) with n=236, k=12 and d=104.
This code was found by Heurico 1.16 in 0.759 seconds.