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

generates a code of length 49 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+220x^42+4x^43+356x^44+64x^45+464x^46+260x^47+511x^48+384x^49+612x^50+236x^51+396x^52+64x^53+224x^54+12x^55+176x^56+72x^58+31x^60+8x^62+1x^76

The gray image is a code over GF(2) with n=196, k=12 and d=84.
This code was found by Heurico 1.16 in 45.1 seconds.