C312322331333132212111133133313113313331333133313113313331333132322333111   >>    C31232233133313221211113313331311331333133313331311331333133313232233311   <<    C312322331333132212111133133313113313331333133313113313331333132322333113   >>      C312322331333132212111133133313113313331333133313113313331333132322333112   >>