The generator matrix

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

generates a code of length 50 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+114x^40+296x^41+774x^42+1196x^43+1962x^44+2884x^45+3808x^46+5022x^47+6001x^48+6830x^49+7239x^50+7200x^51+6348x^52+5212x^53+3792x^54+2724x^55+1908x^56+968x^57+625x^58+356x^59+162x^60+64x^61+16x^62+14x^63+16x^64+2x^65+1x^66+1x^74

The gray image is a code over GF(2) with n=200, k=16 and d=80.
This code was found by Heurico 1.16 in 89.3 seconds.