C11112331312111112111133133313331333133313331333133313331333132233131312331   >>    C1111233131211111211113313331333133313331333133313331333133313223313131233   <<    C11112331312111112111133133313331333133313331333133313331333132233131312333   >>      C11112331312111112111133133313331333133313331333133313331333132233131312332   >>