C31232233133313221211113313331311331333133112133313231333132313132333132232311   >>    C3123223313331322121111331333131133133313311213331323133313231313233313223231   <<    C31232233133313221211113313331311331333133112133313231333132313132333132232313   >>      C31232233133313221211113313331311331333133112133313231333132313132333132232312   >>