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

generates a code of length 59 over Z8 who´s minimum homogenous weight is 56.

Homogenous weight enumerator: w(x)=1x^0+54x^56+80x^58+62x^60+48x^62+7x^64+2x^72+2x^76

The gray image is a code over GF(2) with n=236, k=8 and d=112.
This code was found by Heurico 1.16 in 0.0733 seconds.