Play/single/negation

HTML	RESULT
{sequence even, rows=5} {$sequence} {/sequence}	2 4 6 8 10
{sequence negation, rows=10} {$sequence} {/sequence}	-1 -2 -3 -4 -5 -6 -7 -8 -9 -10
{sequence even, negation, rows=5} {$sequence} {/sequence}	-2 -4 -6 -8 -10