C31232233133313221211113313331333133313113311331333131323132313221   >>    C3123223313331322121111331333133313331311331133133313132313231322   <<    C31232233133313221211113313331333133313113311331333131323132313223   >>      C31232233133313221211113313331333133313113311331333131323132313222   >>