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