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