matrix := [
[0,5,0,0,0,0,0,0,0,0,0,0],
[5,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,5,0,0,0,0,0,0,0,0],
[0,0,5,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,5,0,0,0,0,0],
[0,0,0,0,0,0,0,5,0,0,0,0],
[0,0,0,0,5,0,0,0,0,0,0,0],
[0,0,0,0,0,5,0,0,0,0,0,0],
[2,5,2,5,5,4,2,3,5,0,0,0],
[1,6,1,6,1,6,6,1,0,5,0,0],
[0,0,2,5,4,0,3,0,0,0,5,0],
[1,6,3,4,3,1,4,6,0,0,0,5]
]*Z(7);