C1111233131211111211113313331333133313331333133313331333132332111111331   >>    C111123313121111121111331333133313331333133313331333133313233211111133   <<    C1111233131211111211113313331333133313331333133313331333132332111111333   >>      C1111233131211111211113313331333133313331333133313331333132332111111332   >>