3.4
UNDO 0
3.9
UNDO 0
3.8
UNDO 0
3.5
UNDO 0
3.6
UNDO 0
4.2
UNDO 1
3.5
UNDO 2
4.5
UNDO 0
3.5
UNDO 0
4.3
UNDO 0