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