C312322331333132212111133133313331333133312121111331333121331111211   >>    C31232233133313221211113313331333133313331212111133133312133111121   <<    C312322331333132212111133133313331333133312121111331333121331111213   >>      C312322331333132212111133133313331333133312121111331333121331111212   >>