The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+235x^40+140x^41+714x^42+636x^43+1873x^44+1488x^45+3032x^46+2368x^47+4346x^48+2888x^49+4456x^50+2584x^51+3214x^52+1488x^53+1604x^54+544x^55+733x^56+140x^57+174x^58+12x^59+81x^60+4x^62+11x^64+2x^72

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 39.8 seconds.