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