matrix := [
[0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0],
[0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7],
[0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0],
[2,11,3,10,3,3,10,10,7,11,11,6,7,2,0,2],
[0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0],
[0,0,10,3,12,3,1,10,2,0,5,11,0,0,7,8],
[0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0]
]*Z(13);