99999999999999999
99999999999999999
99999------------99999
99999------------99999
99999999999999999
99999999999999999
--------------------99999
--------------------99999
99999999999999999
99999999999999999
99999999999999999
99999------------99999
99999------------99999
99999999999999999
99999999999999999
--------------------99999
--------------------99999
99999999999999999
99999999999999999