The generator matrix

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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+140x^49+470x^50+768x^51+1243x^52+1456x^53+2269x^54+2298x^55+2977x^56+2956x^57+3452x^58+3108x^59+3187x^60+2384x^61+2134x^62+1448x^63+1186x^64+570x^65+352x^66+170x^67+104x^68+44x^69+25x^70+10x^71+4x^72+2x^73+2x^74+6x^75+2x^76

The gray image is a code over GF(2) with n=232, k=15 and d=98.
This code was found by Heurico 1.16 in 29.1 seconds.