C312322331333132212111133133313331333133312121111331333221211113323121   >>    C31232233133313221211113313331333133313331212111133133322121111332312   <<    C312322331333132212111133133313331333133312121111331333221211113323123   >>      C312322331333132212111133133313331333133312121111331333221211113323122   >>