C123213232213233231323132313132313113313132313231333132313331323223313222331   >>    C12321323221323323132313231313231311331313231323133313231333132322331322233   <<    C123213232213233231323132313132313113313132313231333132313331323223313222333   >>      C123213232213233231323132313132313113313132313231333132313331323223313222332   >>