C31232233133313221211113313331333133313331212111133133313311221211221123231321   >>    C3123223313331322121111331333133313331333121211113313331331122121122112323132   <<    C31232233133313221211113313331333133313331212111133133313311221211221123231323   >>      C31232233133313221211113313331333133313331212111133133313311221211221123231322   >>