Add 1 AddLeft 2 Left 4 AddRight 5 AddBoth 6 <<<<<<< Left.txt AddBothLeft ||||||| RightBase.txt ======= AddBothRight >>>>>>> Right.txt 7 Left 8 9 Modify 1 ModifyLeft 3 <<<<<<< Left.txt Left ||||||| RightBase.txt 4 ======= Right >>>>>>> Right.txt 5 ModifyRight 7 ModifyBoth 9 <<<<<<< Left.txt ModifyBothLeft ||||||| RightBase.txt A ======= ModifyBothRight >>>>>>> Right.txt B Delete 1 3 Left 5 <<<<<<< Left.txt 6 ||||||| RightBase.txt DeleteRight ======= >>>>>>> Right.txt 7 9