The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+158x^40+188x^41+794x^42+700x^43+1640x^44+1704x^45+2802x^46+2824x^47+3755x^48+3412x^49+3920x^50+2984x^51+2926x^52+1716x^53+1590x^54+616x^55+546x^56+144x^57+220x^58+44x^59+58x^60+4x^61+16x^62+4x^64+2x^66

The gray image is a code over GF(2) with n=196, k=15 and d=80.
This code was found by Heurico 1.16 in 25.7 seconds.