The generator matrix

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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+82x^42+310x^43+604x^44+1094x^45+1627x^46+1912x^47+2503x^48+3086x^49+3379x^50+3510x^51+3444x^52+3126x^53+2579x^54+2142x^55+1373x^56+888x^57+621x^58+244x^59+131x^60+58x^61+30x^62+10x^63+7x^64+2x^65+2x^66+1x^68+2x^69

The gray image is a code over GF(2) with n=204, k=15 and d=84.
This code was found by Heurico 1.16 in 24.2 seconds.