C31232233133313221211113313331333133313113311331333133313331313331121132311   >>    C3123223313331322121111331333133313331311331133133313331333131333112113231   <<    C31232233133313221211113313331333133313113311331333133313331313331121132313   >>      C31232233133313221211113313331333133313113311331333133313331313331121132312   >>