4 9
6-10 - 1,2,3,4
11-12 - 3,4,5,8,9
8-10 - 6,7,8,9
0 abcd 1,2,5,6,7
4 10
1 - 1,2,3,4
2 - 3,4,5,8,9,10
3 - 6,7,8,9
0 abcd 1,2,5,6,7,10