C2122121212121133132213231313231323131323223313231322331331123231323321   >>    C212212121212113313221323131323132313132322331323132233133112323132332   <<    C2122121212121133132213231313231323131323223313231322331331123231323323   >>      C2122121212121133132213231313231323131323223313231322331331123231323322   >>