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

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

Homogenous weight enumerator: w(x)=1x^0+174x^56+84x^58+160x^60+32x^62+46x^64+8x^66+2x^72+4x^74+1x^96

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 10.2 seconds.