The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+145x^24+574x^25+1135x^26+1744x^27+2665x^28+3488x^29+4229x^30+4526x^31+4306x^32+3954x^33+2755x^34+1612x^35+883x^36+428x^37+223x^38+54x^39+32x^40+4x^41+10x^42

The gray image is a code over GF(2) with n=124, k=15 and d=48.
This code was found by Heurico 1.11 in 5.63 seconds.