Play/single/xnor

HTML	RESULT
{sequence even, rows=5} {$sequence} {/sequence}	2 4 6 8 10
{sequence xnor=4, rows=10} {$sequence} {/sequence}	-6 -7 -8 -1 -2 -3 -4 -13 -14 -15
{sequence even, xnor=4, rows=5} {$sequence} {/sequence}	-7 -1 -3 -13 -15