matrix := [
[0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0,0],
[0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0],
[17,17,2,18,2,19,20,12,11,19,21,22,7,0,20,7,5,4,21],
[0,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0],
[4,4,2,4,13,18,1,5,20,3,17,13,22,0,7,17,16,21,17],
[14,14,22,16,5,13,11,1,0,7,4,13,0,9,8,18,18,10,4]
]*Z(23);