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