C1111233131211111211113313331333133313331333133313331333132332111112131   >>    C111123313121111121111331333133313331333133313331333133313233211111213   <<    C1111233131211111211113313331333133313331333133313331333132332111112133   >>      C1111233131211111211113313331333133313331333133313331333132332111112132   >>