C31232233133313221211113313331333133313331212111112111111213121121   >>    C3123223313331322121111331333133313331333121211111211111121312112   <<    C31232233133313221211113313331333133313331212111112111111213121123   >>      C31232233133313221211113313331333133313331212111112111111213121122   >>