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

generates a code of length 63 over Z8 who´s minimum homogenous weight is 44.

Homogenous weight enumerator: w(x)=1x^0+92x^44+36x^46+266x^48+189x^50+455x^52+16x^53+329x^54+64x^55+636x^56+336x^57+549x^58+1024x^59+799x^60+1696x^61+730x^62+18304x^63+750x^64+1696x^65+801x^66+1024x^67+549x^68+336x^69+659x^70+64x^71+351x^72+16x^73+482x^74+145x^76+213x^78+43x^80+86x^82+8x^84+16x^86+1x^88+4x^90+1x^94+1x^106

The gray image is a code over GF(2) with n=252, k=15 and d=88.
This code was found by Heurico 1.16 in 72.2 seconds.