matrix := [
[13,9,0,0,0,0,0,0,0,0,0,0,0],
[0,0,14,0,0,0,0,0,0,0,0,0,0],
[10,6,10,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,14,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,14,0,0,0,0,0,0],
[0,0,0,0,0,0,0,14,0,0,0,0,0],
[0,0,0,14,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,14,0,0],
[0,0,0,0,0,0,0,0,0,0,0,14,0],
[0,0,0,0,0,0,0,0,0,0,0,0,14],
[0,0,0,0,0,14,0,0,0,0,0,0,0],
[8,13,7,14,20,12,12,1,0,21,10,14,2],
[18,13,9,2,15,7,6,1,6,14,15,17,0]
]*Z(23);