C312322331333132212111133133313331312111133132313113313123232311   >>    C31232233133313221211113313331333131211113313231311331312323231   <<    C312322331333132212111133133313331312111133132313113313123232313   >>      C312322331333132212111133133313331312111133132313113313123232312   >>