C1111233131211111211113313331333133313331333133313331333133313113322332231   >>    C111123313121111121111331333133313331333133313331333133313331311332233223   <<    C1111233131211111211113313331333133313331333133313331333133313113322332233   >>      C1111233131211111211113313331333133313331333133313331333133313113322332232   >>