subtraction


12-12


0


12-11


1


12-10


2


12-9


3


12-8


4


12-7


5


12-6


6


12-5


7


12-4


8


12-3


9


12-2


10


12-1


11


12-12


0


11-11


0


11-10


1


11-9


2


11-8


3


11-7


4


11-6


5


11-5


6


11-4


7


11-3


8


11-2


9


11-1


10


10-10


0


10-9


1


10-8


2


10-7


3


10-6


4


10-5


5


10-4


6


10-3


7


10-2


8


10-1


9


9-9


0


9-8


1


9-7


2


9-6


3


9-5


4


9-4


5


9-3


6


9-2


7


9-1


8


8-8


0


8-7


1


8-6


2


8-5


3


8-4


4


8-3


5


8-2


6


8-1


7


7-7


0


7-6


1


7-5


2


7-4


3


7-3


4


7-2


5


7-1


6


6-6


0


6-5


1


6-4


2


6-3


3


6-2


4


6-1


5


5-5


0


5-4


1


5-3


2


5-2


3


5-1


4


4-4


0


4-3


1


4-2


2


4-1


3


3-3


0


3-2


1


3-1


2


2-2


0


2-1


1


1-1


0