input:

4
5 2 3 16
7 11 2 9 14
13 5
3 2 4 11
6 10 2
1 11
2 1 2 6
1 5
3
2 1 2 6
1 5
2

output:

4
2 7 10 14 
3
2 6 7 
2
1 5 
-1

result:

wrong answer There are more than one stripe covering cell 7 (test case 2)