C312322331333132212111133133313331333133312121111331122112311111   >>    C31232233133313221211113313331333133313331212111133112211231111   <<    C312322331333132212111133133313331333133312121111331122112311113   >>      C312322331333132212111133133313331333133312121111331122112311112   >>