matrix := [
[0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0],
[2,2,1,1,0,0,4,3,4,3,2,4,2,2,4,0,0,0],
[0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0],
[2,1,4,3,1,3,4,1,2,2,3,4,2,4,1,3,0,1],
[4,1,4,1,1,2,0,3,4,1,3,4,1,1,0,3,2,3],
[2,2,2,2,3,3,4,0,4,0,0,2,0,0,2,0,0,2]
]*Z(5);