The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  0  2  2  1  0  1  2  2  1  0  1  2  1  1  2  4  2  1  1  4  2  1  0
 0  2  0  0  0  2  6  2  0  0  4  2  4  2  6  2  2  4  0  2  6  2  2  6  4  4  2  0  0  4  2  6  2  4  4  2  2  0  2  4  4  2  0  4  2  2  4  0  2
 0  0  2  0  2  2  6  0  0  4  2  2  2  6  4  0  0  0  0  2  2  4  4  0  2  2  6  6  0  0  6  0  4  6  4  4  6  2  6  2  2  2  6  2  2  2  0  4  4
 0  0  0  2  2  0  6  2  4  2  2  0  4  6  0  2  6  2  0  6  4  0  2  6  6  0  6  0  6  6  6  2  6  6  4  4  4  2  2  0  2  0  4  0  2  6  2  0  4
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  4  0  0  0  4  0  4  4  4  0  4  0  4  4  4  0  0  0  4  4  4  4  0  4  0  4  4  4  0  0  0  0  4  0
 0  0  0  0  0  4  0  4  4  0  4  4  0  4  4  4  0  4  0  0  4  0  0  0  0  0  4  4  0  4  0  4  4  4  0  4  0  4  0  0  0  0  0  4  0  4  4  4  4
 0  0  0  0  0  0  4  4  0  4  4  4  0  4  4  0  4  4  4  4  4  4  4  0  0  4  0  0  4  0  0  0  0  0  0  0  0  4  0  4  4  0  0  4  0  4  0  4  0

generates a code of length 49 over Z8 who´s minimum homogenous weight is 41.

Homogenous weight enumerator: w(x)=1x^0+64x^41+106x^42+154x^43+191x^44+238x^45+338x^46+376x^47+420x^48+460x^49+411x^50+336x^51+310x^52+188x^53+127x^54+128x^55+79x^56+60x^57+39x^58+30x^59+22x^60+14x^61+3x^62+1x^68

The gray image is a code over GF(2) with n=196, k=12 and d=82.
This code was found by Heurico 1.16 in 0.727 seconds.