C31232233133313221211113313331333133313113311331211113313123321   >>    C3123223313331322121111331333133313331311331133121111331312332   <<    C31232233133313221211113313331333133313113311331211113313123323   >>      C31232233133313221211113313331333133313113311331211113313123322   >>