C123213232213233231323132313132313113313132313231333132313331323223313233121   >>    C12321323221323323132313231313231311331313231323133313231333132322331323312   <<    C123213232213233231323132313132313113313132313231333132313331323223313233123   >>      C123213232213233231323132313132313113313132313231333132313331323223313233122   >>