C1111233131211111211113313331333133313331333133313331333133313331322112333131   >>    C111123313121111121111331333133313331333133313331333133313331333132211233313   <<    C1111233131211111211113313331333133313331333133313331333133313331322112333133   >>      C1111233131211111211113313331333133313331333133313331333133313331322112333132   >>