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