Each line requires 2 red and 2 blue spots. Select blue.
2
4
Correct
Each line has 2 red and 2 blue spots
Incorrect
There are lines with 3 red and 1 blue spots
3
Correct
Red number 3 has exactly 3 red spots around it
3
Incorrect
Blue number 3 has 4 blue spots around it
Correct
Adjacent lines are different
Incorrect
There are identical lines next to each other
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