matrix := [
[0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[6,5,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[6,0,5,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[5,0,0,5,5,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0],
[0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0],
[0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0],
[6,5,7,8,2,4,4,5,6,10,8,8,9,3,5,7,4,6,7,6,4,0,9],
[2,8,1,5,0,8,7,9,5,0,0,2,1,0,9,4,7,10,2,0,3,8,0],
[2,9,2,6,1,3,7,6,0,10,8,2,7,6,10,5,9,1,9,8,1,8,2],
[4,3,8,7,3,2,3,7,1,0,2,10,2,8,5,10,8,7,10,8,0,0,8],
[9,0,9,4,8,2,10,8,2,7,4,1,7,10,4,10,9,3,8,8,3,8,8]
]*Z(11);