C11112331312111112111133133313331333133313331333133313331333132322121233131   >>    C1111233131211111211113313331333133313331333133313331333133313232212123313   <<    C11112331312111112111133133313331333133313331333133313331333132322121233133   >>      C11112331312111112111133133313331333133313331333133313331333132322121233132   >>