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 1 1 1 1 1 1 1 1 1 1 1 1 1 X X X X X X X X 1 1 X X 2 X 1 2 1 X 1 2 1 1 1 X 2 1 2 2 1 X X 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 2 2 2 2 2 2 2 0 2 2 2 2 0 2 0 0 0 2 2 2 0 2 2 2 0 0 2 0 2 2 0 0 2 2 0 2 0 2 2 2 2 0 0 2 2 0 0 0 2 2 2 2 2 0 2 0 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 2 2 2 2 2 2 2 0 0 0 2 0 0 0 2 2 2 0 0 0 2 2 2 0 2 2 0 0 2 2 2 2 0 0 0 0 0 2 0 0 0 2 0 0 2 2 2 2 2 0 2 2 0 2 2 0 2 2 2 2 0 2 0 0 0 2 0 0 0 0 0 0 0 0 0 2 0 0 0 2 2 2 2 2 2 0 0 0 0 2 0 2 2 2 0 2 0 0 2 2 0 0 0 2 2 2 0 2 0 2 2 0 2 2 2 0 2 2 2 0 0 2 0 0 2 0 2 2 0 0 0 0 2 2 2 2 0 0 0 2 0 0 2 0 0 0 0 2 0 0 0 0 0 0 0 0 2 0 2 2 2 2 2 2 0 2 2 0 2 2 2 0 0 0 2 2 2 2 2 0 2 2 0 0 0 2 0 0 0 0 2 0 0 0 0 0 2 2 0 2 0 0 0 0 0 0 0 2 0 2 2 0 2 2 0 0 0 0 2 2 0 2 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2 0 0 2 2 0 2 2 0 2 0 2 0 2 2 2 2 0 0 2 2 0 0 0 2 0 2 0 0 0 0 2 2 0 2 2 2 2 2 0 0 0 0 2 0 2 2 0 2 0 0 2 2 0 2 0 0 0 2 2 0 2 2 2 2 0 2 0 0 0 0 0 0 0 0 2 0 0 0 0 0 2 0 0 0 2 2 2 2 0 2 2 0 2 0 2 0 0 2 0 0 2 2 2 0 0 0 0 2 0 0 0 2 2 2 2 0 2 0 0 0 2 0 2 2 0 0 0 2 0 0 2 2 2 0 2 2 0 0 0 2 2 0 2 0 2 2 2 2 0 0 0 0 0 0 0 0 2 0 0 0 2 0 0 0 0 2 2 0 2 0 0 0 2 2 2 0 0 2 0 2 2 2 2 0 0 0 2 2 2 2 2 0 0 0 0 2 2 2 2 2 0 2 2 0 2 2 0 0 2 2 0 0 2 0 0 2 2 0 0 0 0 2 2 2 0 0 0 0 2 0 0 0 0 0 0 0 0 0 2 0 0 2 0 0 0 2 0 0 2 0 2 0 0 2 0 0 0 0 2 2 2 0 0 2 2 0 2 2 2 2 0 0 0 2 2 2 2 0 2 0 2 2 2 2 2 2 2 2 2 2 0 2 0 2 2 2 2 2 2 0 2 0 2 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 2 2 2 2 0 0 0 2 0 0 2 2 0 0 2 0 2 2 0 0 2 2 0 2 2 0 0 0 0 2 0 0 0 2 0 2 0 2 2 2 0 0 2 0 0 0 0 2 0 2 2 2 2 0 0 0 0 0 2 0 0 0 2 2 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 2 0 0 2 2 2 2 2 0 2 0 2 0 0 0 0 0 2 0 2 0 0 2 0 2 2 0 0 0 2 0 0 2 0 0 2 0 0 2 2 2 0 2 0 2 2 2 2 2 0 2 0 0 2 0 2 0 0 2 2 0 0 2 2 2 0 0 generates a code of length 81 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 66. Homogenous weight enumerator: w(x)=1x^0+54x^66+107x^68+149x^70+208x^72+290x^74+64x^75+372x^76+384x^77+423x^78+960x^79+499x^80+1280x^81+488x^82+960x^83+400x^84+384x^85+340x^86+64x^87+267x^88+161x^90+109x^92+91x^94+58x^96+44x^98+19x^100+5x^102+6x^104+3x^106+1x^108+1x^120 The gray image is a code over GF(2) with n=324, k=13 and d=132. This code was found by Heurico 1.16 in 10.4 seconds.