C2122121212121133132213231313231323131323223313231322331331123231323231   >>    C212212121212113313221323131323132313132322331323132233133112323132323   <<    C2122121212121133132213231313231323131323223313231322331331123231323233   >>      C2122121212121133132213231313231323131323223313231322331331123231323232   >>