Answer:

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Answer	Crossword Clue
ENDTOEND	Abutting lengthwise
ENDTOEND	How Legos may be placed
ENDTOEND	How tables may be placed

ENDTOEND	In a tight row
ENDTOEND	Lined up
ENDTOEND	Forming a line, as banquet tables
ENDTOEND	Being aligned lengthwise
ENDTOEND	In chainlike fashion.
ENDTOEND	Describing a method of placing things.
ENDTOEND	In a line and touching.
ENDTOEND	In a line.

ENDTOEND	In a line, in a way.
ENDTOEND	Lengthwise.
ENDTOEND	Measurement of a sort
ENDTOEND	Domino placement
ENDTOEND	Strung out, in a way
ENDTOEND	Certain positioning
ENDTOEND	Abutting
ENDTOEND	In a contiguous line

ENDTOEND	Seriatim
ENDTOEND	Extremely touching?
ENDTOEND	How sausage links are connected
ENDTOEND	One way to line things up
ENDTOEND	Like cars in heavy traffic
ENDTOEND	Contiguous
ENDTOEND	Way to line things up