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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+100x^46+186x^47+307x^48+380x^49+471x^50+626x^51+666x^52+840x^53+1102x^54+1684x^55+3003x^56+4450x^57+5122x^58+4512x^59+2981x^60+1706x^61+1083x^62+826x^63+697x^64+606x^65+442x^66+390x^67+253x^68+142x^69+127x^70+32x^71+28x^72+4x^73+1x^106

The gray image is a code over GF(2) with n=232, k=15 and d=92.
This code was found by Heurico 1.16 in 52.9 seconds.