C1111233131211111211113313331333133313331333133313331333133313233313132333131   >>    C111123313121111121111331333133313331333133313331333133313331323331313233313   <<    C1111233131211111211113313331333133313331333133313331333133313233313132333133   >>      C1111233131211111211113313331333133313331333133313331333133313233313132333132   >>