The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+196x^49+426x^50+738x^51+1168x^52+1676x^53+1899x^54+2552x^55+2961x^56+3042x^57+3462x^58+3090x^59+3052x^60+2542x^61+1988x^62+1580x^63+910x^64+750x^65+392x^66+154x^67+92x^68+46x^69+25x^70+12x^71+7x^72+4x^73+2x^75+1x^80

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 29.4 seconds.