C312322331333132212111133133313331333133312121111121111331213231323131   >>    C31232233133313221211113313331333133313331212111112111133121323132313   <<    C312322331333132212111133133313331333133312121111121111331213231323133   >>      C312322331333132212111133133313331333133312121111121111331213231323132   >>