The generator matrix 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 1 1 a 3a^2+2 2a^2+3a+1 a^2+3a a^2+3a+3 3a^2+2a+3 a 3a^2+2 0 2a^2+3 a^2+3a+3 a 2a^2+3a+1 1 a^2+3a 2a^2+3 3a^2+2 1 0 0 2a^2+2 0 2 2 2a+2 2 2a^2 2a+2 2a^2+2 2a^2 2a^2 0 2a^2 2a^2+2a 2a^2+2 2a^2+2a 2a^2+2 0 2a+2 0 0 0 2 2a^2+2 2a^2+2a+2 2a+2 2a^2 2a^2+2a+2 2a^2+2 2a^2+2 2a^2+2a 2a 2a^2 0 2a 2a^2 2a^2 2a^2+2a+2 2a^2+2a 0 generates a code of length 21 over GR(64,4) who´s minimum homogenous weight is 126. Homogenous weight enumerator: w(x)=1x^0+224x^126+553x^128+1792x^133+4704x^134+756x^136+3584x^140+25088x^141+32928x^142+756x^144+25088x^148+87808x^149+76832x^150+896x^152+882x^160+252x^168 The gray image is a code over GF(8) with n=168, k=6 and d=126. This code was found by Heurico 1.16 in 20.5 seconds.