0	To the first character of the line.
1 From start to start
2 From _ to start
3 From end to start 4 empty line \n 5 empty line \r\n


        6 Spaces
	7 Tabs
      8 Backspace
      9 Vertical tab
      10 Form feed
    
  11 Carriage return
        12 Idempotent (count has no effect)