3.3
UNDO 0
2.7
UNDO 0
3.8
UNDO 0
3.3
UNDO 0
3.4
UNDO 0
4.0
UNDO 0
3.5
UNDO 0
3.5
UNDO 0
3.6
UNDO 0
3.6
UNDO 0
3.7
UNDO 1
3.5
UNDO 0
4.0
UNDO 0
3.6
UNDO 0
3.9
UNDO 0
2.6
UNDO 0
3.3
UNDO 0
3.3
UNDO 0
4.0
UNDO 1
3.3
UNDO 2