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