29
2 3 4
2 4 3
3 2 4
3 4 2
4 2 3
4 3 2
1 2 3
1 3 2
2 1 3
2 3 1
3 1 2
3 2 1
3 4 5
17 99 115
115 99 17
17 115 99
115 17 99
99 17 115
99 115 17
999999 999999 999999
2 2 3
2 3 2
3 2 2
2 2 4
2 4 2
4 2 2
2 999998 999997
2 999999 999997
999999 500000 500000