C312322331333132212111133133313331333133312121111121111133313223313121221111   >>    C31232233133313221211113313331333133313331212111112111113331322331312122111   <<    C312322331333132212111133133313331333133312121111121111133313223313121221113   >>      C312322331333132212111133133313331333133312121111121111133313223313121221112   >>