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

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

Homogenous weight enumerator: w(x)=1x^0+17x^56+56x^57+46x^58+272x^59+46x^60+56x^61+17x^62+1x^118

The gray image is a code over GF(2) with n=236, k=9 and d=112.
This code was found by Heurico 1.16 in 0.0674 seconds.