The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+38x^45+137x^46+336x^47+496x^48+660x^49+1045x^50+1330x^51+1905x^52+2502x^53+2917x^54+3414x^55+3424x^56+3194x^57+2847x^58+2542x^59+2045x^60+1388x^61+936x^62+622x^63+408x^64+250x^65+176x^66+72x^67+38x^68+32x^69+6x^70+4x^71+2x^72+1x^88

The gray image is a code over GF(2) with n=224, k=15 and d=90.
This code was found by Heurico 1.16 in 36.6 seconds.