The generator matrix

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

generates a code of length 47 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+290x^40+516x^41+884x^42+1020x^43+1421x^44+1532x^45+1754x^46+1596x^47+1868x^48+1548x^49+1378x^50+948x^51+745x^52+420x^53+278x^54+84x^55+53x^56+16x^57+26x^58+6x^60

The gray image is a code over GF(2) with n=188, k=14 and d=80.
This code was found by Heurico 1.16 in 7.67 seconds.