matrix := [
[9,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[5,9,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[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],
[0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0],
[0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14],
[10,11,17,17,1,21,3,16,19,17,12,9,5,1,17,2,17,13,5],
[0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0],
[20,0,11,0,15,16,13,7,9,8,4,10,6,18,4,21,6,2,13],
[0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0],
[11,4,16,11,0,10,0,17,7,8,14,17,1,13,18,18,10,17,14]
]*Z(23);