block
nomatch
nomatch
nomatch
nomatch
nomatch
--------
pass
nomatch
nomatch
nomatch
nomatch
nomatch
--------
block
nomatch
block
nomatch
nomatch
nomatch
--------
pass
nomatch
pass
nomatch
nomatch
nomatch
--------
nomatch
nomatch
nomatch
nomatch
nomatch
nomatch
--------
nomatch
nomatch
nomatch
nomatch
nomatch
nomatch
--------