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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+152x^40+266x^42+40x^43+745x^44+208x^45+980x^46+464x^47+1766x^48+784x^49+2162x^50+1056x^51+2434x^52+880x^53+1608x^54+432x^55+1161x^56+176x^57+542x^58+56x^59+309x^60+68x^62+71x^64+6x^66+16x^68+1x^72

The gray image is a code over GF(2) with n=204, k=14 and d=80.
This code was found by Heurico 1.16 in 12.2 seconds.