UNDO 0
3.5
UNDO 0
2.6
UNDO 0
3.3
UNDO 1
3.4
UNDO 0
3.3
UNDO 0
3.2
UNDO 0
3.8
UNDO 0
3.8
UNDO 0
3.5
UNDO 0
4.0
UNDO 1
4.1
UNDO 0