C1111233131211111211113313331333133313331333133313331323133313331312132333131   >>    C111123313121111121111331333133313331333133313331333132313331333131213233313   <<    C1111233131211111211113313331333133313331333133313331323133313331312132333133   >>      C1111233131211111211113313331333133313331333133313331323133313331312132333132   >>