The generator matrix

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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+118x^53+330x^54+542x^55+771x^56+696x^57+741x^58+594x^59+864x^60+704x^61+670x^62+600x^63+523x^64+310x^65+291x^66+194x^67+105x^68+54x^69+46x^70+22x^71+7x^72+6x^73+2x^74+1x^76

The gray image is a code over GF(2) with n=240, k=13 and d=106.
This code was found by Heurico 1.16 in 1.86 seconds.