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

generates a code of length 61 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+84x^52+8x^53+207x^54+28x^55+330x^56+104x^57+451x^58+232x^59+530x^60+280x^61+499x^62+224x^63+399x^64+120x^65+255x^66+24x^67+156x^68+89x^70+4x^71+27x^72+29x^74+6x^76+5x^78+2x^80+1x^82+1x^88

The gray image is a code over GF(2) with n=244, k=12 and d=104.
This code was found by Heurico 1.16 in 1.03 seconds.