KeepRemoveFlag/xor

HTML	RESULT
{sequence 25, push='mySequence'}
{pull mySequence, make, xor=4} {$sequence} {/pull}	5 6 7 0 1 2 3 12 13 14 15 8 9 10 11 20 21 22 23 16 17 18 19 28 29
{pull mySequence, keep, xor=4} {$sequence} {/pull}	5 6 7 12 13 14 15 20 21 22 23
{pull mySequence, remove, xor=4} {$sequence} {/pull}	1 2 3 4 8 9 10 11 16 17 18 19 24 25
{pull mySequence, flag, xor=4} {$sequence} {/pull}	0 0 0 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0