C3213322333133313113313221211113313331333133313112212132313122221   >>    C321332233313331311331322121111331333133313331311221213231312222   <<    C3213322333133313113313221211113313331333133313112212132313122223   >>      C3213322333133313113313221211113313331333133313112212132313122222   >>