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