Example plans)
task: enter 03/31/2015 as the date in the input box and click the submit button. 
plan:
1. clickxpath //*[@id="tt"] //  you must press the left arrow key precisely two times after this instruction
2. press arrowleft // you must press left arrow key two times not right arrow key
3. press arrowleft 
4. type 03/31/2015
5. clickxpath //*[@id="subbtn"]

task: enter 02/21/2016 as the date in the input box and click the submit button. 
plan:
1. clickxpath //*[@id="tt"] //  you must press the left arrow key precisely two times after this instruction
2. press arrowleft // you must press left arrow key two times not right arrow key
3. press arrowleft 
4. type 02/21/2016
5. clickxpath //*[@id="subbtn"]

task: enter 03/15/2022 as the date in the input box and click the submit button. 
plan:
1. clickxpath //*[@id="tt"] //  you must press the left arrow key precisely two times after this instruction
2. press arrowleft // you must press left arrow key two times not right arrow key
3. press arrowleft 
4. type 03/15/2022
5. clickxpath //*[@id="subbtn"]