### Test :::: mixed with :::
### Test :::: < ::: :::
6 4 1
6 4 2
6 4 3
6 5 1
6 5 2
6 5 3
7 4 1
7 4 2
7 4 3
7 5 1
7 5 2
7 5 3
### Test :::: <  < :::: <
6 4 1
6 4 2
6 4 3
6 5 1
6 5 2
6 5 3
7 4 1
7 4 2
7 4 3
7 5 1
7 5 2
7 5 3
### Test -a ::::  < :::: <
6 4 1
6 4 2
6 4 3
6 5 1
6 5 2
6 5 3
7 4 1
7 4 2
7 4 3
7 5 1
7 5 2
7 5 3
### Test -a -a :::
6 4 1
6 4 2
6 4 3
6 5 1
6 5 2
6 5 3
7 4 1
7 4 2
7 4 3
7 5 1
7 5 2
7 5 3
### Test -a - -a :::
6 4 1
6 4 2
6 4 3
6 5 1
6 5 2
6 5 3
7 4 1
7 4 2
7 4 3
7 5 1
7 5 2
7 5 3
### Test :::: < - :::
6 4 1
6 4 2
6 4 3
6 5 1
6 5 2
6 5 3
7 4 1
7 4 2
7 4 3
7 5 1
7 5 2
7 5 3
### Test -E
1 2 3
1 2 4
1 3 3
1 3 4
1 4 3
1 4 4
2 2 3
2 2 4
2 3 3
2 3 4
2 4 3
2 4 4
3 2 3
3 2 4
3 3 3
3 3 4
3 4 3
3 4 4
4 2 3
4 2 4
4 3 3
4 3 4
4 4 3
4 4 4
### Test -E one empty
1 2
2 2
### Test -E 2 empty
1
2
### Test -E all empty