C31232233133313221211113313331333133313113311331333133313331313332333231   >>    C3123223313331322121111331333133313331311331133133313331333131333233323   <<    C31232233133313221211113313331333133313113311331333133313331313332333233   >>      C31232233133313221211113313331333133313113311331333133313331313332333232   >>