C2122121212121133132213231313231313231323223313231322331331121111331111   >>    C212212121212113313221323131323131323132322331323132233133112111133111   <<    C2122121212121133132213231313231313231323223313231322331331121111331113   >>      C2122121212121133132213231313231313231323223313231322331331121111331112   >>