What Darwin said.
Plus you can trim the 9x12 to A4 size (8.3" x 11.7" or 210mm x 297mm ) and have some strips of paper left that can be used as joining strips when you do not want to use tabs. 
__________________
~Doug~
AC010505 EAMUS CATULI! Audere est Facere THFC 19**-20** R.I.P. it up, Tear it up, Have a Ball
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