C312322331333132212111133133313331333133312121111331333133112132332311   >>    C31232233133313221211113313331333133313331212111133133313311213233231   <<    C312322331333132212111133133313331333133312121111331333133112132332313   >>      C312322331333132212111133133313331333133312121111331333133112132332312   >>