HTML RESULT
{sequence 25, push='mySequence'}
{pull mySequence, make,   square} {$sequence} {/pull}
1 4 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 441 484 529 576 625
{pull mySequence, keep,   square} {$sequence} {/pull}
1 4 9 16 25
{pull mySequence, remove, square} {$sequence} {/pull}
2 3 5 6 7 8 10 11 12 13 14 15 17 18 19 20 21 22 23 24
{pull mySequence, flag,   square} {$sequence} {/pull}
1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1