C312322331333132212111133133313331333133312121111331333133112212123311   >>    C31232233133313221211113313331333133313331212111133133313311221212331   <<    C312322331333132212111133133313331333133312121111331333133112212123313   >>      C312322331333132212111133133313331333133312121111331333133112212123312   >>