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 2 1 1 1 1 1 2 2 1 1 2 4 2 0 4 2 1 2 0 1 1 1 1 1 4 1 0 1 1 1 1 4 1 4 1 2 4 1 1 1 1 0 12 0 12 0 12 0 12 0 12 0 4 12 8 0 12 4 8 12 12 4 0 0 8 12 0 0 12 12 8 12 12 4 0 12 12 12 4 12 12 0 12 4 12 12 4 8 8 12 12 4 4 12 4 8 12 0 12 8 0 12 0 0 12 12 0 0 8 0 0 0 0 0 0 0 0 0 0 8 8 0 0 8 8 8 8 0 0 0 0 0 8 8 8 8 8 0 8 0 8 8 8 0 0 8 8 8 0 8 0 0 0 8 0 8 0 0 8 0 0 8 8 8 8 0 8 8 0 0 8 0 0 0 8 0 0 0 0 0 0 0 8 8 0 0 0 8 0 8 0 8 0 0 0 0 8 8 8 0 8 8 0 0 8 8 8 0 0 0 8 0 0 0 0 0 8 8 8 0 0 8 8 8 0 0 8 0 8 0 8 8 0 8 8 8 0 0 0 0 8 0 0 0 0 0 0 0 0 0 8 0 0 8 0 0 0 8 0 8 0 8 0 8 8 0 8 8 8 0 8 8 0 8 8 8 0 0 0 8 8 8 8 0 0 8 0 0 8 8 0 8 0 0 8 0 0 8 8 0 8 0 0 0 0 0 8 0 0 0 0 0 0 8 0 0 0 8 0 0 8 0 8 8 8 8 8 8 8 8 0 8 0 8 0 0 8 0 8 0 0 8 8 0 0 0 0 8 0 0 0 8 8 8 8 0 8 0 8 8 0 8 0 8 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 8 0 0 8 0 8 8 8 8 8 8 8 0 0 0 0 0 8 8 8 0 8 8 8 8 0 8 0 8 8 0 0 8 8 0 8 8 0 0 0 0 8 0 0 0 0 0 0 0 0 8 0 0 0 0 8 0 0 8 0 0 8 8 8 8 8 8 8 0 0 8 8 8 0 0 0 8 0 8 8 8 0 0 0 0 8 0 8 8 8 0 0 0 8 0 8 0 0 0 8 8 0 8 0 8 8 8 8 0 0 0 0 0 0 0 0 8 0 0 0 0 0 8 0 0 8 0 0 0 8 0 0 0 8 8 0 0 8 0 0 0 8 8 0 8 0 8 8 8 0 8 8 8 0 0 8 8 0 0 8 0 8 8 8 8 8 0 8 0 0 0 0 8 0 0 0 0 0 0 0 0 0 8 0 8 8 0 0 8 8 0 8 0 0 0 0 0 8 8 8 8 0 8 0 8 8 0 0 0 8 0 0 8 8 0 0 8 8 0 8 0 0 8 0 8 8 8 8 8 0 0 0 0 0 8 8 8 0 0 0 0 0 0 0 0 0 0 0 8 0 0 8 8 8 8 8 8 0 0 0 8 8 8 8 0 0 8 8 0 8 0 0 0 8 8 0 8 0 0 0 8 0 8 0 0 0 8 0 0 0 8 8 0 8 0 0 0 8 0 0 8 0 8 generates a code of length 65 over Z16 who´s minimum homogenous weight is 52. Homogenous weight enumerator: w(x)=1x^0+160x^52+72x^54+512x^56+478x^58+128x^59+1490x^60+768x^61+3206x^62+1920x^63+6475x^64+2560x^65+6172x^66+1920x^67+3516x^68+768x^69+1124x^70+128x^71+789x^72+198x^74+258x^76+14x^78+91x^80+16x^84+3x^88+1x^96 The gray image is a code over GF(2) with n=520, k=15 and d=208. This code was found by Heurico 1.16 in 30.1 seconds.