2
3
1 44
2 3 4 55
1 2 66
3 4 5 7
6 7 8 8
9 10 9
11 12 10
1 2 11
3 4 5 12
6 7 13
1 14 2
3 4 15
16
17
18
19
20 1
2 3 4 5 6 21
1 22
2 3 23
New New New New New MESX1399H1220