C312322331333132212111133133313331333133312121111331121133133313233213111   >>    C31232233133313221211113313331333133313331212111133112113313331323321311   <<    C312322331333132212111133133313331333133312121111331121133133313233213113   >>      C312322331333132212111133133313331333133312121111331121133133313233213112   >>