Pattern Recognition - 112

Find out the next two numbers in the series.
120813 , 141015 , 161219 , 181427 , _ , _ ,..................


Answer

120813 , 141015 , 161219 , 181427 , _ , _ ,..................
120813 , 141015 , 161219 , 181427 , _ , _ ,..................
120813 , 141015 , 161219 , 181427 , _ , _ ,..................

12 ,  14 ,   16 ,   18 ,_ ,_,............................... Next two numbers 20 , 22
     +2    +2     +2
08 ,  10 ,  12    , 14,_,_ ,.............................   Next two numbers 16, 18
    +2     +2    +2
13, 15 ,   19 ,   27 , _ , _ ,..................Next two numbers 27+16=43,43+32=75
   +2  +4     +8

Next two numbers in the original series  201643 , 221875
120813 , 141015 , 161219 , 181427 , 201643 , 221875 ,..................