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 1 1 1 1 1 1 1 2 2 2 2 1 1 2 4 2 1 1 2 1 1 1 1 2 1 1 1 1 2 1 1 4 4 2 1 1 2 1 2 1 1 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 8 8 0 0 8 8 8 0 8 8 8 0 8 0 8 0 0 8 8 8 8 8 8 8 0 8 8 0 0 8 8 8 8 8 0 8 0 8 0 8 8 0 8 8 8 0 8 8 0 0 0 0 8 0 0 0 0 0 0 0 0 0 8 0 0 8 8 8 8 8 8 0 0 0 0 0 8 8 8 8 8 0 8 0 8 8 8 0 8 0 8 0 0 0 0 0 0 8 8 0 0 8 8 8 8 8 8 0 0 8 8 0 0 0 0 8 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 8 8 8 8 8 0 8 8 8 0 8 8 8 0 8 0 0 8 8 8 0 0 8 0 8 8 8 8 8 0 8 8 8 8 0 0 0 0 0 8 8 8 0 0 0 0 8 0 8 0 8 8 8 8 8 0 0 0 0 0 0 8 0 0 0 0 0 0 8 0 8 8 0 8 8 8 0 8 8 8 0 0 0 0 0 8 0 0 0 8 8 8 0 0 8 8 0 0 8 0 0 8 8 8 0 8 0 0 8 8 0 0 8 8 0 8 8 0 0 0 0 0 8 0 0 0 0 0 0 0 0 8 0 0 0 0 0 8 0 0 8 8 8 8 8 0 0 8 0 0 8 8 0 0 0 8 8 0 0 8 0 0 8 8 8 0 8 0 8 8 0 0 0 0 0 0 8 0 0 0 8 8 8 8 8 8 0 8 0 0 0 8 0 0 0 0 0 0 0 0 0 8 0 0 0 8 0 0 0 8 8 0 0 8 0 0 8 8 0 8 0 8 0 8 0 8 0 8 0 8 8 8 0 8 8 0 8 0 8 0 0 8 0 8 8 8 0 0 0 0 8 0 0 8 0 0 8 8 8 8 8 0 0 0 0 0 0 0 0 0 0 8 0 0 8 0 0 8 0 0 8 0 0 8 0 8 8 0 0 8 8 8 0 0 8 8 8 0 0 8 8 8 8 8 0 0 8 8 0 8 0 0 8 8 8 8 8 0 8 0 8 8 8 0 8 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 8 8 8 8 0 0 0 0 8 0 0 0 8 8 8 8 0 0 0 8 0 8 0 0 0 8 8 8 0 8 8 8 0 8 8 0 8 8 0 0 8 8 0 0 0 0 8 0 0 0 8 8 0 8 0 8 8 8 8 0 0 0 0 0 0 0 0 0 8 8 8 8 0 0 8 8 8 8 8 0 8 0 8 0 8 0 8 8 0 0 8 8 8 8 0 0 0 0 0 8 8 0 0 8 0 8 8 0 0 8 0 8 0 8 0 8 0 8 0 8 0 0 0 0 0 8 0 0 generates a code of length 69 over Z16 who´s minimum homogenous weight is 56. Homogenous weight enumerator: w(x)=1x^0+72x^56+202x^60+50x^62+254x^64+408x^66+1108x^68+4096x^69+972x^70+592x^72+88x^74+166x^76+18x^78+87x^80+54x^84+18x^88+5x^92+1x^108 The gray image is a code over GF(2) with n=552, k=13 and d=224. This code was found by Heurico 1.16 in 2.53 seconds.