HTML RESULT 
{sequence 25, push='mySequence'}
{pull mySequence, make,   moserdebruijn} {$sequence} {/pull}
1 4 5 16 17 20 21 64 65 68 69 80 81 84 85 256 257 260 261 272 273 276 277 320 321
{pull mySequence, keep,   moserdebruijn} {$sequence} {/pull}
1 4 5 16 17 20 21
{pull mySequence, remove, moserdebruijn} {$sequence} {/pull}
2 3 6 7 8 9 10 11 12 13 14 15 18 19 22 23 24 25
{pull mySequence, flag,   moserdebruijn} {$sequence} {/pull}
1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0