The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+168x^50+328x^51+446x^52+548x^53+786x^54+808x^55+811x^56+804x^57+634x^58+776x^59+603x^60+480x^61+358x^62+280x^63+176x^64+52x^65+62x^66+16x^67+35x^68+4x^69+8x^70+8x^72

The gray image is a code over GF(2) with n=228, k=13 and d=100.
This code was found by Heurico 1.16 in 1.98 seconds.