The generator matrix

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

generates a code of length 49 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+194x^40+614x^41+1305x^42+1724x^43+3078x^44+3822x^45+5550x^46+5612x^47+7205x^48+6884x^49+7378x^50+6124x^51+5646x^52+3808x^53+3118x^54+1544x^55+986x^56+462x^57+299x^58+96x^59+36x^60+26x^61+12x^62+4x^63+6x^64+2x^66

The gray image is a code over GF(2) with n=196, k=16 and d=80.
This code was found by Heurico 1.16 in 85.8 seconds.