The generator matrix

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

generates a code of length 50 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+291x^42+610x^43+1211x^44+1504x^45+1998x^46+2562x^47+2973x^48+3542x^49+3374x^50+3562x^51+3064x^52+2618x^53+2164x^54+1326x^55+948x^56+506x^57+279x^58+132x^59+53x^60+22x^61+22x^62+6x^64

The gray image is a code over GF(2) with n=200, k=15 and d=84.
This code was found by Heurico 1.16 in 23.4 seconds.