C1111233131211111211113313331333133313331333133313331333133313331323321211211   >>    C111123313121111121111331333133313331333133313331333133313331333132332121121   <<    C1111233131211111211113313331333133313331333133313331333133313331323321211213   >>      C1111233131211111211113313331333133313331333133313331333133313331323321211212   >>