The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+188x^40+36x^41+444x^42+160x^43+1084x^44+496x^45+1822x^46+864x^47+2640x^48+984x^49+2584x^50+864x^51+1938x^52+496x^53+908x^54+160x^55+468x^56+36x^57+124x^58+64x^60+6x^62+15x^64+2x^68

The gray image is a code over GF(2) with n=196, k=14 and d=80.
This code was found by Heurico 1.16 in 9.21 seconds.