1one two three four
1two - four one
1three four one two
1four one two three
1one two three four
1two - four one
1three four one two
1four one two three
* * * * * * *
2one two three four
2two - four one
2three four one two
2four one two three
2one two three four
2two - four one
2three four one two
2four one two three