What Pattern is This
What Comes Next
What is missing?
100

X N X N X N X N

AB

100

1 2 1 2 1 _ 

2

100

S Y S Y _ Y

S

200

* * = * * = * * =

AAB

200

s h s h _ _

s h

200

3 4 5 3 4 5 _ _ 5

3 4

300

2 6 9 2 6 9 2 6 9

ABC

300

4 7 7 4 7 7 _ _ _

4 7 7

300

M M L L M M _ L

L

400

W W N N W W N N W W N N 

AABB

400

2 2 R R 2 2 R R _ _ _ _

2 2 R R

400

1 B B _ B B 1 _ _

1    B    B

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