C312322331333132212111133133313331323133313331333133313331333133313223313123111   >>    C31232233133313221211113313331333132313331333133313331333133313331322331312311   <<    C312322331333132212111133133313331323133313331333133313331333133313223313123113   >>      C312322331333132212111133133313331323133313331333133313331333133313223313123112   >>